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Clinics of Surgery
Case Report ISSN: 2638-1451 Volume 7
Duplication of 12p11.23p11.22 Presenting in A Preterm Infant with Anorectal
Fistula, Imperforate Anus, Growth Retardation, Bilateral Mild Hydronephrosis
and Mild Facial Dysmorphism
Des B*
Department of Pediatrics, East Tennessee State University, USA
*
Corresponding author:
Des Bharti,
Quillen College of Medicine, East Tennessee State
University, Johnson City, Tennessee 37614, USA,
Tel: 423-439-6222; Fax: 423-439-8066;
E-mail: bharti@etsu.edu
Received: 11 Feb 2022
Accepted: 21 Feb 2022
Published: 28 Feb 2022
J Short Name: COS
Copyright:
©2022 Des B, This is an open access article distributed
under the terms of the Creative Commons Attribution Li-
cense, which permits unrestricted use, distribution, and
build upon your work non-commercially.
Citation:
Des B, Duplication of 12p11.23p11.22 Presenting in A
Preterm Infant with Anorectal Fistula, Imperforate Anus,
Growth Retardation, Bilateral Mild Hydronephrosis and
Mild Facial Dysmorphism. Clin Surg. V7(6): 1-5
Keywords:
Ossifying fasciitis; Nodular fasciitis; Ossification;
Peripheral ostectomy; Regression; Metastasis
clinicsofsurgery.com 1
1. Abstract
We are reporting a preterm female infant with duplication of
12p11.23p11.22 presenting with anorectal fistula, imperforate
anus, intra-uterine growth retardation, bilateral mild hydronephro-
sis and mild facial dysmorphism.
2. Case Report
This 630 g, 29 weeks and 5 days’ gestation, female infant with
history of intrauterine growth retardation was born by an urgent
cesarean section with Apgar scores of 4 at 1 and 7 at 5 min.
Mom was 28 years old, gravida 5 para 2113. She has been a smok-
er for several years. Current pregnancy was complicated by ges-
tational diabetes. Her 1st pregnancy was complicated by gesta-
tional diabetes and the infant was born at term with macrosomia.
She had another pregnancy with delivery at 32 weeks and 6 days’
gestation. That infant had growth retardation and the pregnancy
was complicated by gestational diabetes. One other pregnancy
was complicated by gestational diabetes and the infant was born
macrosomic. She has had one spontaneous miscarriage. The cur-
rent pregnancy was complicated by severe growth retardation with
evidence of reverse end diastolic blood flow on umbilical artery
doppler studies. She had BMI of 47 and she has had short interval
between pregnancies. She had not gotten a course of betametha-
sone prior to delivery.
Urgent cesarean section was performed because of non-reassuring
fetal heart tracing. The infant was delivered in breech presentation.
She had nuchal cord x1. Amniotic fluid was meconium stained.
Birth weight was 630 g, length 30.5 cm, head circumference 23
cm. The infant was noted to be in acute respiratory distress soon
after birth. She required positive pressure ventilation via face
mask in delivery room followed by intubation and was given a
dose of surfactant. The infant initially had substernal retractions,
tachypnea, and nasal flaring. Clinical picture was consistent with
RDS. There was no evidence of significant dysmorphology on
admission to the NICU. However, on further assessment during
NICU stay she appeared to show dolichocephaly, prominent
forehead and metopic ridge, midfacial retrusion, depressed nasal
bridge, anteverted nares, and microretrognathia. Echocardiogram
showed PFO/ASD. No vertebral anomalies were noted.
The infant was extubated on day 1 to noninvasive ventilation and
was weaned to high-flow nasal cannula on day 25 of life. She re-
quired caffeine therapy for 5 weeks. She was on oral diuretics for
about 3 weeks. The infant was weaned to room air at 12 weeks
of life. She was started on feeding protocol on day 1 of life. She
received parental nutrition for 16 days followed by feedings of nu-
tramigen and EleCare. The infant required gavage feeding during
entire hospital stay. Swallow studies were indicative of significant
reflux with nasal penetration. Upper GI series confirmed signifi-
cant reflux. The infant was on lansoprazole 1 mg/kg twice a day
and Sucralfate 20 milligram/kg three times a day. The patient was
noted at birth to have extremely preterm genitalia with what ap-
peared to be a patent anus. She passed meconium stools at birth.
When she was 9 weeks of age, careful assessment revealed that
clinicsofsurgery.com 2
Volume 7 Issue 6 -2022 Case Report
the infant had been stooling through a fistulous connection close to
imperforate anus. What was previously felt to be an anterior anus
was considered a rectoperineal fistula consistent with imperforate
anus. The infant had resection of perineal (rectoperineal) fistu-
la with anoplasty, rectum was pulled to surgically created anus.
During hospital stay she continued to have significant feeding
problems. The stool was positive for lactoferrin. Feedings were
switched to Nutramigen at three months of age. pH probe study
confirmed significant gastroesophageal reflux. The infant required
gastrostomy and fundal plication at three months of age. She had
evidence of osteopenia of prematurity manifesting as elevation of
alkaline phosphatase. She was on multivitamin with iron and 400
units of vitamin-D per day. She was on zinc sulfate at 1.5 mg/kg
per day. Her blood type was O positive, maternal blood type is O
positive and Coombs test was negative.
On day 4 of life infant had hypercalcemia with serum calcium of
14.1mg/dl. There was no clinical evidence of fat necrosis of the
skin. The infant was given two normal saline IV infusions fol-
lowed by a dose of Lasix each time. The calcium supplementation
was removed from the TPN for a short period. Vitamin D level
was 46ng/ml, parathormone was 5 pg/ml, phosphorus level was
2.4mg/dl. 1,25 (OH)2 Vit D was elevated 169 pg/ml (reference
range 19.9-79.3). Serum parathormone and vitamin-D levels were
reported normal on follow-up. Eye exam prior to discharge was
reported normal. Total IgM was within normal range. Urine for
CMV was negative. Renal ultrasound showed bilateral mild pel-
vic caliectasis without overt hydronephrosis. Infant had a spinal
ultrasound that was reported normal. Echocardiogram showed
normal cardiac anatomy. Skeletal dysplasia panel was reported
negative. She passed hearing screen. The newborn state screening
report was normal. MRI of the brain was reported normal. Mi-
cro array analysis exhibited duplication of 12p11.23p11.22 (which
included area of PPF1BP1 gene). Recommendation was made to
have a follow-up by primary care provider, pediatric nephrologist,
follow up in early intervention program, geneticist, and follow-up
by pediatric surgeon. The infant was discharged home on Elecare
24 calorie formula through gastrostomy tube.
3. Discussion
Anorectal malformations have an incidence of 2 to 5 per ten thou-
sand live births. Diagnosis may missed on prenatal studies. In
most of the infants, diagnosis is made in the immediate newborn
period. The etiology of anorectal malformation appears to be
multifactorial. The clinical presentation of anorectal abnormali-
ties is very variable. Significant number of these are low anoma-
lies with a perineal fistula, that can be managed easily. However,
high anomalies can be associated with anorectal agenesis with or
without fistula or rectal atresia. Almost half of the infants with
anorectal anomalies have associated abnormalities [1]. The most
common associated abnormality is genitourinary. Associated car-
diac abnormality has been reported in one third of the cases, spinal
canal defects are seen in about 25%, gastrointestinal abnormalities
can be seen in up to 10% of infants. Anorectal malformation with
VACTERL anomalies is reported in 4-9% of infants.
Anorectal abnormality can be reported in infants of insulin requir-
ing diabetic mothers and has also been reported in several genetic
syndromes like Currarino syndrome, Opitz-BBB syndrrome, Pal-
lister-Killian syndrome, and FG syndrome. [18] reviewed associa-
tion of diabetes in pregnancy and ano-rectal abnormality. The first
study in 2003 found a significantly increased risk with an odds
ratio of 2.15. The second study by same author in 2008 reported
an odds ratio of 4.32. [19] The infants presenting with rectove-
sical fistulae should be investigated carefully for spinal anoma-
lies. Detailed physical examination should pay special attention to
perineum, location of the defect, anal pit, fistula within vagina or
urethra. Presence of a third opening in a female is suggestive of
vestibular fistula and two openings are relatively uncommon, pre-
senting with rectovaginal fistula or rectal agenesis without fistula.
Plain abdominal radiograph may show gasless terminal rectum or
absence of gas around the perineal skin. Invertogram is usually
more helpful. Trans-perineal or coccygeal ultrasound done by an
expert could be diagnostic. CT scan or an MRI have been used
for detailed assessment of structural abnormalities. A male infant
with fistula can be repaired soon after birth with posterior sagittal
anoplasty. Rectal urinary fistulae require colostomy followed by
definitive pull-through procedure at 3-6 months of age. In a female
infant with the most common recto-vestibular communication,
anorectal repair can be performed. The infants with persistent clo-
acae may have associated omphalocele and/or spinal defects and a
genetic defect. Karyotype and microarray analysis may be needed
prior to definitive repair or initial diversion colostomy. The etiolo-
gy of such malformations remains unclear and is likely multifacto-
rial. Few syndromes with autosomal dominant mode of inheritance
such as Townes-Brooks syndrome, Currarino's syndrome, and Pal-
lister-Hall syndrome are associated with anorectal abnormalities.
Pallister-Killian syndrome presents with dysmorphic features and
imperforate anus. It is usually due to tetrasomy 12p somatic mosa-
icism. It is a dysmorphic condition involving several organs. Most
fibroblasts have 47 chromosomes with an extra small metacentric
chromosome, whereas the karyotype of lymphocytes is normal.
The extra metacentric chromosome is an isochromosome for part
of the short arm of chromosome 12: i(12) (p10) [2]. This disorder
manifests with significant mental delay, skin pigmentation disor-
der, abnormal facies with prominent forehead, sparse scalp air an-
teriorly and anteverted nostrils, flat nasal bridge and short neck.
Temporal frontal baldness has been reported. described absence
of the pericardium and focal aplasia cutis in the axillary area [3].
Associated penial, testicular and ovarian tumors have been report-
ed. Ptosis, nystagmus, wide mouth, long philtrum, and cleft palate
have been reported. Other features included single palmar creases,
bilateral accessory nipples, small hands and feet with dorsal ede-
clinicsofsurgery.com 3
Volume 7 Issue 6 -2022 Case Report
ma, and hypoplasia of the labia with a common anal and vaginal
opening [4]. Common features included neonatal hypotonia with
feeding difficulties, scoliosis, early-onset seizures, hearing im-
pairment, and visual anomalies, such as myopia or strabismus. As
babies, frontotemporal hair alopecia was noted that gradually im-
proved with age. Most continued to have areas of alopecia or other
hair abnormalities, such as sparse or thick eyebrows. Dysmorphic
facial features are variable, and include slanted palpebral fissures,
short nose with anteverted nares, long philtrum, tented lip, low-set
ears, micrognathia. reported anorectal malformation with polyhy-
dramnios, preaxial polydactyly, and congenital heart disease that
was detected prenatally [5]. Fluorescence in-situ hybridization
with chromosome 12-specific DNA probes is reliable to detect
12p chromosome. Routine amniocentesis potentially could help in
making diagnosis with additional cytogenetic studies. The recom-
mended sample for testing prenatally is amniotic fluid, since cyto-
genetic diagnosis on chorionic villi can be misleading [6].
Currarino syndrome is an autosomal dominant hereditary con-
dition which is characterized by the triad of sacral abnormali-
ties, anorectal abnormalities most commonly anorectal stenosis
and presacral mass consisting of a teratoma, anterior sacral me-
ningocele or both. However only 1 out of 5 cases of Currarino
triad has all three abnormalities present. [7, 8] Currarino triad is
considered a spectrum disorder with a wide variation in severity.
Up to one-third of the patients are asymptomatic and may only be
diagnosed during adulthood only on routine radiograph or ultra-
sound that are performed for different reasons. Currarino triad is
most often caused by mutations in the MNX1 gene [9]. Treatment
depends on the type and severity of abnormalities present but may
involve surgery for anorectal anomalies.
Common presenting features are aplasia or hypoplasia of sacrum,
sacrococcygeal teratoma, bifid scrotal, anorectal malformation.
Currarino triad is nearly all familial and in 30% sporadic cases are
reported. It has also been reported with microdeletions of 7q con-
taining MNX1 gene.
Townes-Brocks syndrome is a genetic condition that affects sever-
al parts of the body. It is also called anal-ear-renal-radial malfor-
mation syndrome. The most common features of this condition are
a imperforate anus, abnormally shaped ears, and hand malforma-
tions that most often affect the thumbs. People with this condition
often have at least two of these three major features [10].
Other signs and symptoms may include kidney abnormalities,
mild to profound hearing loss, eye abnormalities, heart defects,
foot abnormalities, and genital malformations. These features vary
among affected individuals, even within the same family. Mild
intellectual disability or learning problems have been reported in
about 10 percent of people with Townes-Brocks syndrome. Mu-
tations in the SALL1 gene cause Townes-Brocks Syndrome [11].
The syndrome presents with neuronal deafness, imperforate anus,
hypoplastic thumbs. Thumb malformations may include triphalan-
geal thumbs, duplication of the thumb or hypoplasia of the thumbs.
Renal abnormality may include mild malrotation, ectopic kidneys,
horseshoe kidney, renal hypoplasia, polycystic kidneys, and vesi-
coureteral reflux. Associated cardiac, foot anomalies and geni-
tourinary abnormalities are common. Uncommon associations
are iris coloboma, Arnold-Chiari malformation and growth retar-
dation. De novo variants most commonly occur on the paternally
derived chromosome 16 [12].
Opitz G/BBB syndrome [13-15] is a genetic condition that caus-
es several abnormalities along the midline of the body. It can be
X-linked or autosomal dominant. The common feature is hyper-
telorism. Affected individuals commonly have defects of the lar-
ynx, trachea, or esophagus. The swallowing and breathing prob-
lems may lead to recurrent pneumonia or life-threatening respira-
tory distress. A common defect is laryngeal cleft with major reflex
and aspiration pneumonitis. Most males have hypospadias, crypt-
orchidism, an underdeveloped scrotum, or a bifid scrotum. Mild
intellectual disability and developmental delay occur in about 50
percent of people with Opitz G/BBB syndrome. Affected individ-
uals have delayed motor skills, delayed motor milestones, speech
impediments, and learning problems. Some have features of autis-
tic spectrum disorders, characterized by impaired communication
and social skills. About half of affected individuals also have cleft
lip with or without cleft palate. Some have cleft palate without
cleft lip. Less common features of Opitz G/BBB syndrome, affect-
ing less than half of people with this disorder, include minor heart
defects, imperforate anus, and brain defects such as a hyoplasti-
cl or absent corpus callosum. Distinct facial features that may be
seen in this disorder include a prominent forehead, widow's peak
hairline, flat nasal bridge, thin upper lip, and low-set ears. These
features vary among affected individuals, even within the same
family.
VACTERL stands for vertebral defects, anal atresia, cardiac de-
fects, tracheo-esophageal fistula, renal anomalies, and limb ab-
normalities. People diagnosed with VACTERL association typi-
cally have at least three of these characteristic features. Affected
individuals may have additional abnormalities that are not among
the characteristic features of VACTERL association. Defects
in the bones of the vertebrae are present in two thirds of people
with VACTERL association. Sixty to 90 percent of individuals
with VACTERL association have narrowing or blockage of the
anal atresia. Anal atresia may be accompanied by genitourinary
anomalies. cardiac defects occur in 40 to 80 percent of individu-
als. Cardiac defects can range in severity from a life-threatening
problem to a subtle defect that does not cause health problems.
Fifty to 80 percent of people with VACTERL association have a
tracheo-esophageal fistula. Tracheo-esophageal fistula can cause
problems with breathing and feeding early in life. They typically
require surgical repair in infancy. Renal anomalies occur in 50 to
80 percent of individuals with VACTERL association. Affected in-
clinicsofsurgery.com 4
Volume 7 Issue 6 -2022 Case Report
dividuals may be missing one or both kidneys or have abnormally
developed or horseshoe kidneys, which can affect renal function.
Limb abnormalities are seen in 40 to 50 percent of people with
VACTERL association. These abnormalities most commonly in-
clude poorly developed or missing thumbs or underdeveloped
forearms and hands. VACTERL association occurs in 1 in 10,000
to 40,000 newborns. Most cases of VACTERL association are spo-
radic. VACTERL association can be familial [16].
FG syndrome is a X linked genetic condition also called Keller
syndrome or Opitz-Kaveggia syndrome [20]. This is almost al-
ways seen in males with mild to severe intellectual disability, hy-
potonia, broad thumbs, and wide first toes. There may be partial
or complete absence of the corpus callosum. Most affected indi-
viduals have imperforate anus. People with FG syndrome also
tends to have a distinctive facial appearance including small ears;
a prominent forehead; and down-slanting palpebral fissures. Some
patients have sensorineural hearing loss and joint laxity that can
cause joint contractures. They may have associated heart defects,
seizures, cryptorchidism and inguinal hernia. At least two muta-
tions in the MED12 gene, located on X chromosome have been
reported.
Effect of smoking and drinking habits during pregnancy have been
reviewed. One case control study looked at 216,707 births from
the population-based Kanagawa Birth Defects Monitoring Pro-
gram, to evaluate the effect of maternal smoking and/or drinking
during pregnancy on the risk of infants' anal atresia in 1989-1994.
The frequency of maternal smoking (including passive smoking)
and/or maternal drinking during pregnancy among 84 infants with
anal atresia was compared with 174 matched controls. The 84 anal
atresia included 49 cases of isolated anal atresia and 35 cases of
syndromic anal atresia [17]. Maternal drinking during early preg-
nancy was associated with an increased risk of isolated anal atresia
(OR = 4.8, 95% CI 1.2 to 19.1, p < 0.05). A slightly increased trend
was also observed in the association of maternal smoking during
pregnancy with both. (OR = 1.4, 95% CI 0.5 to 3.6).
Our index patient was born preterm with intrauterine growth re-
tardation. The pregnancy was complicated by gestational diabetes
and maternal obesity. Diagnosis was delayed for several weeks;
however, the infant was noted to have normal stool pattern. Mi-
cro-array analysis exhibited duplication of 12p11.23p11.22. No
major cardiac, renal or vertebral abnormalities were noted. Once
accurate assessment confirmed that infant had a fistulous connec-
tion, a referral was made to a pediatric surgeon and rectoperineal
fistula was resected and anoplasty was done. She continued to have
significant feeding intolerance. Regular feedings were changed to
Nutramigen followed by Elecare. The infant had a Nissen fundo-
plication and gastrostomy. She will have follow-up by multidis-
ciplinary team of gastroenterologist, pediatric surgeon, high-risk
clinic, dietitian, developmental assessment team and the primary
care provider.
References
1. Endo M, Hayashi A, Ishihara M, Maie M, Nagasaki A, Nishi T, et
al. Analysis of 1,992 patients with anorectal malformations over the
past two decades in Japan. Steering Committee of Japanese Study
Group of Anorectal Anomalies. J Pediatr Surg. 1999; 34: 435-41.
2. Peltomaki P, Knuutila S, Ritvanen A, Kaitila I, de la Chapelle A.
Pallister-Killian syndrome: cytogenetic and molecular studies. Clin.
Genet. 1987; 31: 399-405.
3. Zakowski. Am. J. Med. Genet. 1992; 42: 323-5.
4. Yeung A, Francis D, Giouzeppos O, Amor DJ. Pallister-Killian syn-
drome caused by mosaicism for a supernumerary ring chromosome
12p. Am. J. Med. Genet. 2009; 149A: 505-9.
5. Am. J. Med. Genet. 2009; 149A: 510-4.
6. Thakur S, Gupta R, Tiwari B, Singh N, Saxena KK. Pallister-Killian
syndrome: review of fetal phenotype. Clin. Genet. 2019; 95: 79-84.
7. Patel RV, De Coppi P, Kiely E, Pierro A. Currarino’s syndrome in
twins presenting as neonatal intestinal obstruction--identical presen-
tation in non-identical twins. BMJ Case Rep. 2014.
8. Akay S, Battal B, Karaman B, Bozkurt Y. Complete Currarino Syn-
drome Recognized in Adulthood. Journal of Clinical Imaging Sci-
ence. 2015; 5: 10.
9. Cuturilo G, Hodge JC, Runke CK, Thorland EC,Al-Owain MA, Elli-
son JW, et al. Phenotype analysis impacts testing strategy in patients
with Currarino syndrome. Clin Genet. January 2016; 89: 109-14.
10. Kohlhase J, Adam MP, Ardinger HH, Pagon RA. Townes-Brocks
Syndrome. 2007 Jan 24 [Updated 2016 Jan 14]. In: editors. GeneRe-
views® [Internet]. Seattle (WA): University of Washington, Seattle;
1993-2021.
11. Albrecht. Am J Med Genet A. 2004;125A: 102-4.
12. Böhm. Am J Med Genet A. 2006; 140: 1904-8.
13. McDonald-McGinn DM, Driscoll DA, Bason L, Christensen K,
Lynch D, Sullivan K, et al. Autosomal dominant “Opitz” GBBB syn-
drome due to a 22q11.2 deletion. Am J Med Genet. 1995; 59: 103-13.
14. Quaderi NA, Schweiger S, Gaudenz K, Franco B, Rugarli EI, Berger
W, et al. Opitz G/BBB syndrome, a defect of midline development,
is due to mutations in a new RING finger gene on Xp22. Nat Genet.
1997; 17: 285-91.
15. Robin NH, Opitz JM, Muenke M. Opitz G/BBB syndrome: clinical
comparisons of families linked to Xp22 and 22q, and a review of the
literature. Am J Med Genet. 1996; 62: 305-17.
16. Jpn J Hum. Genet. 1995; 40: 327-32.
17. Yuan P, Okazaki I, Kuroki Y. Anal atresia: effect of smoking and
drinking habits during pregnancy. 1995; 40: 327-32.
18. Correa A, Botto L, Liu Y, Mulinare J, Erickson JD. Do multivitamin
supplements attenuate the risk for diabetes-associated birth defects?
Pediatrics. 2003; 111: 1146-51.
19. Correa A, Gilboa SM, Besser LM, Botto LD, Moore CA, Hobbs
CA, et al. Diabetes mellitus and birth defects. Am J Obstet Gynecol.
2008; 199: 1-237.
clinicsofsurgery.com 5
Volume 7 Issue 6 -2022 Case Report
20. Graham JM, Superneau D, Rogers RC, Corning K, Schwartz CE,
Dykens EM, et al. Clinical and behavioral characteristics in FG
syndrome. Am. J. Med. Genet. 1999; 85: 470-5.

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Contralateral Extremity Paresis and Numbness Caused by Pos-tero lateral Disc Herniation at C3–C4 in a Teenager

  • 1. Clinics of Surgery Case Report ISSN: 2638-1451 Volume 7 Duplication of 12p11.23p11.22 Presenting in A Preterm Infant with Anorectal Fistula, Imperforate Anus, Growth Retardation, Bilateral Mild Hydronephrosis and Mild Facial Dysmorphism Des B* Department of Pediatrics, East Tennessee State University, USA * Corresponding author: Des Bharti, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee 37614, USA, Tel: 423-439-6222; Fax: 423-439-8066; E-mail: bharti@etsu.edu Received: 11 Feb 2022 Accepted: 21 Feb 2022 Published: 28 Feb 2022 J Short Name: COS Copyright: ©2022 Des B, This is an open access article distributed under the terms of the Creative Commons Attribution Li- cense, which permits unrestricted use, distribution, and build upon your work non-commercially. Citation: Des B, Duplication of 12p11.23p11.22 Presenting in A Preterm Infant with Anorectal Fistula, Imperforate Anus, Growth Retardation, Bilateral Mild Hydronephrosis and Mild Facial Dysmorphism. Clin Surg. V7(6): 1-5 Keywords: Ossifying fasciitis; Nodular fasciitis; Ossification; Peripheral ostectomy; Regression; Metastasis clinicsofsurgery.com 1 1. Abstract We are reporting a preterm female infant with duplication of 12p11.23p11.22 presenting with anorectal fistula, imperforate anus, intra-uterine growth retardation, bilateral mild hydronephro- sis and mild facial dysmorphism. 2. Case Report This 630 g, 29 weeks and 5 days’ gestation, female infant with history of intrauterine growth retardation was born by an urgent cesarean section with Apgar scores of 4 at 1 and 7 at 5 min. Mom was 28 years old, gravida 5 para 2113. She has been a smok- er for several years. Current pregnancy was complicated by ges- tational diabetes. Her 1st pregnancy was complicated by gesta- tional diabetes and the infant was born at term with macrosomia. She had another pregnancy with delivery at 32 weeks and 6 days’ gestation. That infant had growth retardation and the pregnancy was complicated by gestational diabetes. One other pregnancy was complicated by gestational diabetes and the infant was born macrosomic. She has had one spontaneous miscarriage. The cur- rent pregnancy was complicated by severe growth retardation with evidence of reverse end diastolic blood flow on umbilical artery doppler studies. She had BMI of 47 and she has had short interval between pregnancies. She had not gotten a course of betametha- sone prior to delivery. Urgent cesarean section was performed because of non-reassuring fetal heart tracing. The infant was delivered in breech presentation. She had nuchal cord x1. Amniotic fluid was meconium stained. Birth weight was 630 g, length 30.5 cm, head circumference 23 cm. The infant was noted to be in acute respiratory distress soon after birth. She required positive pressure ventilation via face mask in delivery room followed by intubation and was given a dose of surfactant. The infant initially had substernal retractions, tachypnea, and nasal flaring. Clinical picture was consistent with RDS. There was no evidence of significant dysmorphology on admission to the NICU. However, on further assessment during NICU stay she appeared to show dolichocephaly, prominent forehead and metopic ridge, midfacial retrusion, depressed nasal bridge, anteverted nares, and microretrognathia. Echocardiogram showed PFO/ASD. No vertebral anomalies were noted. The infant was extubated on day 1 to noninvasive ventilation and was weaned to high-flow nasal cannula on day 25 of life. She re- quired caffeine therapy for 5 weeks. She was on oral diuretics for about 3 weeks. The infant was weaned to room air at 12 weeks of life. She was started on feeding protocol on day 1 of life. She received parental nutrition for 16 days followed by feedings of nu- tramigen and EleCare. The infant required gavage feeding during entire hospital stay. Swallow studies were indicative of significant reflux with nasal penetration. Upper GI series confirmed signifi- cant reflux. The infant was on lansoprazole 1 mg/kg twice a day and Sucralfate 20 milligram/kg three times a day. The patient was noted at birth to have extremely preterm genitalia with what ap- peared to be a patent anus. She passed meconium stools at birth. When she was 9 weeks of age, careful assessment revealed that
  • 2. clinicsofsurgery.com 2 Volume 7 Issue 6 -2022 Case Report the infant had been stooling through a fistulous connection close to imperforate anus. What was previously felt to be an anterior anus was considered a rectoperineal fistula consistent with imperforate anus. The infant had resection of perineal (rectoperineal) fistu- la with anoplasty, rectum was pulled to surgically created anus. During hospital stay she continued to have significant feeding problems. The stool was positive for lactoferrin. Feedings were switched to Nutramigen at three months of age. pH probe study confirmed significant gastroesophageal reflux. The infant required gastrostomy and fundal plication at three months of age. She had evidence of osteopenia of prematurity manifesting as elevation of alkaline phosphatase. She was on multivitamin with iron and 400 units of vitamin-D per day. She was on zinc sulfate at 1.5 mg/kg per day. Her blood type was O positive, maternal blood type is O positive and Coombs test was negative. On day 4 of life infant had hypercalcemia with serum calcium of 14.1mg/dl. There was no clinical evidence of fat necrosis of the skin. The infant was given two normal saline IV infusions fol- lowed by a dose of Lasix each time. The calcium supplementation was removed from the TPN for a short period. Vitamin D level was 46ng/ml, parathormone was 5 pg/ml, phosphorus level was 2.4mg/dl. 1,25 (OH)2 Vit D was elevated 169 pg/ml (reference range 19.9-79.3). Serum parathormone and vitamin-D levels were reported normal on follow-up. Eye exam prior to discharge was reported normal. Total IgM was within normal range. Urine for CMV was negative. Renal ultrasound showed bilateral mild pel- vic caliectasis without overt hydronephrosis. Infant had a spinal ultrasound that was reported normal. Echocardiogram showed normal cardiac anatomy. Skeletal dysplasia panel was reported negative. She passed hearing screen. The newborn state screening report was normal. MRI of the brain was reported normal. Mi- cro array analysis exhibited duplication of 12p11.23p11.22 (which included area of PPF1BP1 gene). Recommendation was made to have a follow-up by primary care provider, pediatric nephrologist, follow up in early intervention program, geneticist, and follow-up by pediatric surgeon. The infant was discharged home on Elecare 24 calorie formula through gastrostomy tube. 3. Discussion Anorectal malformations have an incidence of 2 to 5 per ten thou- sand live births. Diagnosis may missed on prenatal studies. In most of the infants, diagnosis is made in the immediate newborn period. The etiology of anorectal malformation appears to be multifactorial. The clinical presentation of anorectal abnormali- ties is very variable. Significant number of these are low anoma- lies with a perineal fistula, that can be managed easily. However, high anomalies can be associated with anorectal agenesis with or without fistula or rectal atresia. Almost half of the infants with anorectal anomalies have associated abnormalities [1]. The most common associated abnormality is genitourinary. Associated car- diac abnormality has been reported in one third of the cases, spinal canal defects are seen in about 25%, gastrointestinal abnormalities can be seen in up to 10% of infants. Anorectal malformation with VACTERL anomalies is reported in 4-9% of infants. Anorectal abnormality can be reported in infants of insulin requir- ing diabetic mothers and has also been reported in several genetic syndromes like Currarino syndrome, Opitz-BBB syndrrome, Pal- lister-Killian syndrome, and FG syndrome. [18] reviewed associa- tion of diabetes in pregnancy and ano-rectal abnormality. The first study in 2003 found a significantly increased risk with an odds ratio of 2.15. The second study by same author in 2008 reported an odds ratio of 4.32. [19] The infants presenting with rectove- sical fistulae should be investigated carefully for spinal anoma- lies. Detailed physical examination should pay special attention to perineum, location of the defect, anal pit, fistula within vagina or urethra. Presence of a third opening in a female is suggestive of vestibular fistula and two openings are relatively uncommon, pre- senting with rectovaginal fistula or rectal agenesis without fistula. Plain abdominal radiograph may show gasless terminal rectum or absence of gas around the perineal skin. Invertogram is usually more helpful. Trans-perineal or coccygeal ultrasound done by an expert could be diagnostic. CT scan or an MRI have been used for detailed assessment of structural abnormalities. A male infant with fistula can be repaired soon after birth with posterior sagittal anoplasty. Rectal urinary fistulae require colostomy followed by definitive pull-through procedure at 3-6 months of age. In a female infant with the most common recto-vestibular communication, anorectal repair can be performed. The infants with persistent clo- acae may have associated omphalocele and/or spinal defects and a genetic defect. Karyotype and microarray analysis may be needed prior to definitive repair or initial diversion colostomy. The etiolo- gy of such malformations remains unclear and is likely multifacto- rial. Few syndromes with autosomal dominant mode of inheritance such as Townes-Brooks syndrome, Currarino's syndrome, and Pal- lister-Hall syndrome are associated with anorectal abnormalities. Pallister-Killian syndrome presents with dysmorphic features and imperforate anus. It is usually due to tetrasomy 12p somatic mosa- icism. It is a dysmorphic condition involving several organs. Most fibroblasts have 47 chromosomes with an extra small metacentric chromosome, whereas the karyotype of lymphocytes is normal. The extra metacentric chromosome is an isochromosome for part of the short arm of chromosome 12: i(12) (p10) [2]. This disorder manifests with significant mental delay, skin pigmentation disor- der, abnormal facies with prominent forehead, sparse scalp air an- teriorly and anteverted nostrils, flat nasal bridge and short neck. Temporal frontal baldness has been reported. described absence of the pericardium and focal aplasia cutis in the axillary area [3]. Associated penial, testicular and ovarian tumors have been report- ed. Ptosis, nystagmus, wide mouth, long philtrum, and cleft palate have been reported. Other features included single palmar creases, bilateral accessory nipples, small hands and feet with dorsal ede-
  • 3. clinicsofsurgery.com 3 Volume 7 Issue 6 -2022 Case Report ma, and hypoplasia of the labia with a common anal and vaginal opening [4]. Common features included neonatal hypotonia with feeding difficulties, scoliosis, early-onset seizures, hearing im- pairment, and visual anomalies, such as myopia or strabismus. As babies, frontotemporal hair alopecia was noted that gradually im- proved with age. Most continued to have areas of alopecia or other hair abnormalities, such as sparse or thick eyebrows. Dysmorphic facial features are variable, and include slanted palpebral fissures, short nose with anteverted nares, long philtrum, tented lip, low-set ears, micrognathia. reported anorectal malformation with polyhy- dramnios, preaxial polydactyly, and congenital heart disease that was detected prenatally [5]. Fluorescence in-situ hybridization with chromosome 12-specific DNA probes is reliable to detect 12p chromosome. Routine amniocentesis potentially could help in making diagnosis with additional cytogenetic studies. The recom- mended sample for testing prenatally is amniotic fluid, since cyto- genetic diagnosis on chorionic villi can be misleading [6]. Currarino syndrome is an autosomal dominant hereditary con- dition which is characterized by the triad of sacral abnormali- ties, anorectal abnormalities most commonly anorectal stenosis and presacral mass consisting of a teratoma, anterior sacral me- ningocele or both. However only 1 out of 5 cases of Currarino triad has all three abnormalities present. [7, 8] Currarino triad is considered a spectrum disorder with a wide variation in severity. Up to one-third of the patients are asymptomatic and may only be diagnosed during adulthood only on routine radiograph or ultra- sound that are performed for different reasons. Currarino triad is most often caused by mutations in the MNX1 gene [9]. Treatment depends on the type and severity of abnormalities present but may involve surgery for anorectal anomalies. Common presenting features are aplasia or hypoplasia of sacrum, sacrococcygeal teratoma, bifid scrotal, anorectal malformation. Currarino triad is nearly all familial and in 30% sporadic cases are reported. It has also been reported with microdeletions of 7q con- taining MNX1 gene. Townes-Brocks syndrome is a genetic condition that affects sever- al parts of the body. It is also called anal-ear-renal-radial malfor- mation syndrome. The most common features of this condition are a imperforate anus, abnormally shaped ears, and hand malforma- tions that most often affect the thumbs. People with this condition often have at least two of these three major features [10]. Other signs and symptoms may include kidney abnormalities, mild to profound hearing loss, eye abnormalities, heart defects, foot abnormalities, and genital malformations. These features vary among affected individuals, even within the same family. Mild intellectual disability or learning problems have been reported in about 10 percent of people with Townes-Brocks syndrome. Mu- tations in the SALL1 gene cause Townes-Brocks Syndrome [11]. The syndrome presents with neuronal deafness, imperforate anus, hypoplastic thumbs. Thumb malformations may include triphalan- geal thumbs, duplication of the thumb or hypoplasia of the thumbs. Renal abnormality may include mild malrotation, ectopic kidneys, horseshoe kidney, renal hypoplasia, polycystic kidneys, and vesi- coureteral reflux. Associated cardiac, foot anomalies and geni- tourinary abnormalities are common. Uncommon associations are iris coloboma, Arnold-Chiari malformation and growth retar- dation. De novo variants most commonly occur on the paternally derived chromosome 16 [12]. Opitz G/BBB syndrome [13-15] is a genetic condition that caus- es several abnormalities along the midline of the body. It can be X-linked or autosomal dominant. The common feature is hyper- telorism. Affected individuals commonly have defects of the lar- ynx, trachea, or esophagus. The swallowing and breathing prob- lems may lead to recurrent pneumonia or life-threatening respira- tory distress. A common defect is laryngeal cleft with major reflex and aspiration pneumonitis. Most males have hypospadias, crypt- orchidism, an underdeveloped scrotum, or a bifid scrotum. Mild intellectual disability and developmental delay occur in about 50 percent of people with Opitz G/BBB syndrome. Affected individ- uals have delayed motor skills, delayed motor milestones, speech impediments, and learning problems. Some have features of autis- tic spectrum disorders, characterized by impaired communication and social skills. About half of affected individuals also have cleft lip with or without cleft palate. Some have cleft palate without cleft lip. Less common features of Opitz G/BBB syndrome, affect- ing less than half of people with this disorder, include minor heart defects, imperforate anus, and brain defects such as a hyoplasti- cl or absent corpus callosum. Distinct facial features that may be seen in this disorder include a prominent forehead, widow's peak hairline, flat nasal bridge, thin upper lip, and low-set ears. These features vary among affected individuals, even within the same family. VACTERL stands for vertebral defects, anal atresia, cardiac de- fects, tracheo-esophageal fistula, renal anomalies, and limb ab- normalities. People diagnosed with VACTERL association typi- cally have at least three of these characteristic features. Affected individuals may have additional abnormalities that are not among the characteristic features of VACTERL association. Defects in the bones of the vertebrae are present in two thirds of people with VACTERL association. Sixty to 90 percent of individuals with VACTERL association have narrowing or blockage of the anal atresia. Anal atresia may be accompanied by genitourinary anomalies. cardiac defects occur in 40 to 80 percent of individu- als. Cardiac defects can range in severity from a life-threatening problem to a subtle defect that does not cause health problems. Fifty to 80 percent of people with VACTERL association have a tracheo-esophageal fistula. Tracheo-esophageal fistula can cause problems with breathing and feeding early in life. They typically require surgical repair in infancy. Renal anomalies occur in 50 to 80 percent of individuals with VACTERL association. Affected in-
  • 4. clinicsofsurgery.com 4 Volume 7 Issue 6 -2022 Case Report dividuals may be missing one or both kidneys or have abnormally developed or horseshoe kidneys, which can affect renal function. Limb abnormalities are seen in 40 to 50 percent of people with VACTERL association. These abnormalities most commonly in- clude poorly developed or missing thumbs or underdeveloped forearms and hands. VACTERL association occurs in 1 in 10,000 to 40,000 newborns. Most cases of VACTERL association are spo- radic. VACTERL association can be familial [16]. FG syndrome is a X linked genetic condition also called Keller syndrome or Opitz-Kaveggia syndrome [20]. This is almost al- ways seen in males with mild to severe intellectual disability, hy- potonia, broad thumbs, and wide first toes. There may be partial or complete absence of the corpus callosum. Most affected indi- viduals have imperforate anus. People with FG syndrome also tends to have a distinctive facial appearance including small ears; a prominent forehead; and down-slanting palpebral fissures. Some patients have sensorineural hearing loss and joint laxity that can cause joint contractures. They may have associated heart defects, seizures, cryptorchidism and inguinal hernia. At least two muta- tions in the MED12 gene, located on X chromosome have been reported. Effect of smoking and drinking habits during pregnancy have been reviewed. One case control study looked at 216,707 births from the population-based Kanagawa Birth Defects Monitoring Pro- gram, to evaluate the effect of maternal smoking and/or drinking during pregnancy on the risk of infants' anal atresia in 1989-1994. The frequency of maternal smoking (including passive smoking) and/or maternal drinking during pregnancy among 84 infants with anal atresia was compared with 174 matched controls. The 84 anal atresia included 49 cases of isolated anal atresia and 35 cases of syndromic anal atresia [17]. Maternal drinking during early preg- nancy was associated with an increased risk of isolated anal atresia (OR = 4.8, 95% CI 1.2 to 19.1, p < 0.05). A slightly increased trend was also observed in the association of maternal smoking during pregnancy with both. (OR = 1.4, 95% CI 0.5 to 3.6). Our index patient was born preterm with intrauterine growth re- tardation. The pregnancy was complicated by gestational diabetes and maternal obesity. Diagnosis was delayed for several weeks; however, the infant was noted to have normal stool pattern. Mi- cro-array analysis exhibited duplication of 12p11.23p11.22. No major cardiac, renal or vertebral abnormalities were noted. Once accurate assessment confirmed that infant had a fistulous connec- tion, a referral was made to a pediatric surgeon and rectoperineal fistula was resected and anoplasty was done. She continued to have significant feeding intolerance. Regular feedings were changed to Nutramigen followed by Elecare. The infant had a Nissen fundo- plication and gastrostomy. She will have follow-up by multidis- ciplinary team of gastroenterologist, pediatric surgeon, high-risk clinic, dietitian, developmental assessment team and the primary care provider. References 1. Endo M, Hayashi A, Ishihara M, Maie M, Nagasaki A, Nishi T, et al. Analysis of 1,992 patients with anorectal malformations over the past two decades in Japan. Steering Committee of Japanese Study Group of Anorectal Anomalies. J Pediatr Surg. 1999; 34: 435-41. 2. Peltomaki P, Knuutila S, Ritvanen A, Kaitila I, de la Chapelle A. Pallister-Killian syndrome: cytogenetic and molecular studies. Clin. Genet. 1987; 31: 399-405. 3. Zakowski. Am. J. Med. Genet. 1992; 42: 323-5. 4. Yeung A, Francis D, Giouzeppos O, Amor DJ. Pallister-Killian syn- drome caused by mosaicism for a supernumerary ring chromosome 12p. Am. J. Med. Genet. 2009; 149A: 505-9. 5. Am. J. Med. Genet. 2009; 149A: 510-4. 6. Thakur S, Gupta R, Tiwari B, Singh N, Saxena KK. Pallister-Killian syndrome: review of fetal phenotype. Clin. Genet. 2019; 95: 79-84. 7. Patel RV, De Coppi P, Kiely E, Pierro A. Currarino’s syndrome in twins presenting as neonatal intestinal obstruction--identical presen- tation in non-identical twins. BMJ Case Rep. 2014. 8. Akay S, Battal B, Karaman B, Bozkurt Y. Complete Currarino Syn- drome Recognized in Adulthood. Journal of Clinical Imaging Sci- ence. 2015; 5: 10. 9. Cuturilo G, Hodge JC, Runke CK, Thorland EC,Al-Owain MA, Elli- son JW, et al. Phenotype analysis impacts testing strategy in patients with Currarino syndrome. Clin Genet. January 2016; 89: 109-14. 10. Kohlhase J, Adam MP, Ardinger HH, Pagon RA. Townes-Brocks Syndrome. 2007 Jan 24 [Updated 2016 Jan 14]. In: editors. GeneRe- views® [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2021. 11. Albrecht. Am J Med Genet A. 2004;125A: 102-4. 12. Böhm. Am J Med Genet A. 2006; 140: 1904-8. 13. McDonald-McGinn DM, Driscoll DA, Bason L, Christensen K, Lynch D, Sullivan K, et al. Autosomal dominant “Opitz” GBBB syn- drome due to a 22q11.2 deletion. Am J Med Genet. 1995; 59: 103-13. 14. Quaderi NA, Schweiger S, Gaudenz K, Franco B, Rugarli EI, Berger W, et al. Opitz G/BBB syndrome, a defect of midline development, is due to mutations in a new RING finger gene on Xp22. Nat Genet. 1997; 17: 285-91. 15. Robin NH, Opitz JM, Muenke M. Opitz G/BBB syndrome: clinical comparisons of families linked to Xp22 and 22q, and a review of the literature. Am J Med Genet. 1996; 62: 305-17. 16. Jpn J Hum. Genet. 1995; 40: 327-32. 17. Yuan P, Okazaki I, Kuroki Y. Anal atresia: effect of smoking and drinking habits during pregnancy. 1995; 40: 327-32. 18. Correa A, Botto L, Liu Y, Mulinare J, Erickson JD. Do multivitamin supplements attenuate the risk for diabetes-associated birth defects? Pediatrics. 2003; 111: 1146-51. 19. Correa A, Gilboa SM, Besser LM, Botto LD, Moore CA, Hobbs CA, et al. Diabetes mellitus and birth defects. Am J Obstet Gynecol. 2008; 199: 1-237.
  • 5. clinicsofsurgery.com 5 Volume 7 Issue 6 -2022 Case Report 20. Graham JM, Superneau D, Rogers RC, Corning K, Schwartz CE, Dykens EM, et al. Clinical and behavioral characteristics in FG syndrome. Am. J. Med. Genet. 1999; 85: 470-5.