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ONLINE LESSON 1:  IDENTIFYING RADIAL HEAD FRACTURES By: Dr. Kenneth Fortgang
KENNETH C. FORTGANG, MD ,[object Object]
UNIV OF SOUTHERN CAL/LAC;  SURGICAL INTERNSHIP
USC/LACOUNTY;  RADIOLOGY RESIDENCY AND INTERVENTIONAL FELLOWSHIP
NORTH BROWARD HOSPITAL DISTRICT; LEVEL I AND LEVEL II TRAUMA CENTERS
RADIAL HEAD FRACTURES Kenneth C. Fortgang, MD Medical Director Premier Radiology Services
ELBOW ANATOMY
X-RAY ANATOMY
X-RAY ANATOMY
U L N A R A D I U S TROC CAP H U M E R U S Anatomy ยฉKen L Schreibman, PhD/MD 2003
H U M E R U S U L N A TROC OLECRANON CORONOID Anatomy ยฉKen L Schreibman, PhD/MD 2003 R A D I U S CAP
Fat Pads H U M E R U S CAP Anterior Fad Pad (Coronoid Fossa) Posterior Fad Pad (Olecranon Fossa) ยฉKen L Schreibman, PhD/MD 2003 U L N A R A D I U S
NORMAL, NO EFFUSION
CAN YOU SEE THE FRACTURE?
CAN YOU SEE THE FRACTURE?
Systematic Approach to Musculoskeltal Radiographs ,[object Object]
Alignment
Bone Contour
Margins
Density
Tabecular pattern
Soft tissues
ELBOW FRACTURES ,[object Object]
Look for sail sign and posterior fat pad
If these signs are present but no fracture is identified, radial head fracture is likely.
Look for a fracture line and contour deformity
Radiographic Signs of Radial head fracture on Lateral view
Radial head fracture types ,[object Object]
Type II:  angulated or >2 mm displaced
Type III:  comminuted

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Editor's Notes

  1. Type I: less than 2 mm displacement Type II: Angulation or >2 mm displacement Type III: comminuted
  2. Figure 1. Lateral radiograph shows a positive fat pad sign in a patient with a nondisplaced fracture of the radial head. The anterior lucency (arrow) represents the elevated anterior fat pad, and the posterior lucency (arrowhead) represents the elevated posterior fat pad.