A brief presentation of diseases related to external ear for undergarduates.

1. DISEASES OF EXTERNAL EAR
DR UTKALMISHRA

2. MICROTIA
 Best age to correct is after 6 years
 Graft used is costal cartilage 6,7,8
 Commonest syndrome – Goldenhar,
TC
 Drugs causing microtia – Thalidomide,
IT
MARX CLASSIFICATION

3. MACROTIA

4. CRYPTOTIA

5. BAT EAR

6. LOP EAR/ CUP EAR

7. MOZART’S / WILDERMUTH EAR

8. CAULIFLOWER EAR

9. PRE AURICULAR SINUS
 Failure of fusion of 1st arch (tragus) and 2nd arch (5 tubercles).

10. COLL AURAL FISTULA
 1st Branchial cleft anomaly

11. KELOID

12. PERICHONDRITIS OF PINNA

13. MALIGNANT OTITIS EXTERNA
 Uncontrolled diabetic elderly male
 Commonest organism – P. aeruginosa
 Commonest symptom – excruciating night time earache not relieving
with usual medication.
 Commonest sign – Granulations at BC juncn
 Commonest nerve affected – Facial N
 Scan for disease progression – Tc99
 Scan for disease resolution – Gallium
 Treatment – Inj. PipTaz 4.5g IV TID x 14 days followed by Tab. Ciplox
750mg BD 6 wks.
 Uncommonly - Fungal

14. OSTEOMA

15. EXOSTOSIS

16. KERATOSIS OBTURANS

17. OTOMYCOSIS
 Commonest organism – Aspergillus niger
 Treatment – Suction clearance, Antifungal
e/d

18. IMPACTED WAX / CERUMEN
 Wax = secretion of ceruminous glands + hair + desquamated
epithelial debris + keratin + dirt
 Ceruminous gland – Modified sweat gland
 Reflex cough is due to - Stimulation of auricular branch of
vagus
 In Syringing water is directed – Postero superiorly
 Ceruminolytic agents – Paradichlorobenzene, H2O2, NaHCO3,
Liquid paraffin

19. THANK YOU