10. 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
11. 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
12. 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
33. Figure 1. Lateral radiograph shows a positive fat pad sign in a patient with a nondisplaced fracture of the radial head. Goswami G K Radiology 2002;222:419-420 ยฉ2002 by Radiological Society of North America
Type I: less than 2 mm displacement Type II: Angulation or >2 mm displacement Type III: comminuted
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.