Fig. 8

Transverse gross anatomic (A), MRI (B), CT bone window (C) and CT soft tissue window (D) images at the level of the proximal metacarpal region. III, third metacarpal bone; VI, fourth metacarpal bone; V, fifth metacarpal bone; 1, common digital extensor tendon; 3a, superficial digital flexor tendon, deep part; 3’a, superficial digital flexor tendon, superficial part; 10, accessoriometacarpal ligament; 12, deep digital flexor tendon; 13, extensor carpi radialis tendon; 17, long lateral collateral carpal ligament; 18’, short lateral collateral carpal ligament, distal limb; 19, long medial collateral carpal ligament; 20’, short medial collateral carpal ligament, distal part; 23, lateral digital extensor tendon; 24, flexor carpi radialis tendon; 25, median nerve; 26, median vein; 27, medial artery; 28, radial artery; 29, radial vein; 31, reinforcing palmar fibers of the medial collateral ligament; 32, dorsal carpometacarpal ligament