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The labeled structures are (excluding the correct side):
- ulnar head
- distal radio-ulnar joint
- ulnar notch of distal radius
- groove for the tendon of extensor carpi ulnaris
- distal radius
- fovea
- ulnar peak of the dorsal (Lister's) tubercle of distal radius
- radial peak of the dorsal (Lister's) tubercle of distal radius
- styloid process of ulna
- radiolunate joint
- lunate
- lunotriqetral joint
- styloid process of radius
- radioscaphoid joint
- scapholunate joint
- triquetrum
- proximal pole of scaphoid
- pisiform
- head of capitate
- pisotriquetral joint
- waist of scaphoid
- capitohamate joint
- tubercle of scaphoid
- scaphocapitate joint
- hamate
- distal pole of scaphoid
- hook of hamate
- capitate
- base of fifth metacarpal
- carpal boss of third metacarpal
- scaphotrapeziotrapezoid (triscaphe) joint
- trapezoid
- tubercle of trapezium
- base of third metacarpal
- trapezium
- first metacarpophalangeal joint
- base of fifth metacarpal
- base of first metacarpal
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The same normal wrist CT without labels for reference.
Case Discussion
The labeled structures are (excluding the correct side):
- ulnar head
- distal radio-ulnar joint
- ulnar notch of distal radius
- groove for the tendon of extensor carpi ulnaris
- distal radius
- fovea
- ulnar peak of the dorsal (Lister's) tubercle of distal radius
- radial peak of the dorsal (Lister's) tubercle of distal radius
- styloid process of ulna
- radiolunate joint
- lunate
- lunotriqetral joint
- styloid process of radius
- radioscaphoid joint
- scapholunate joint
- triquetrum
- proximal pole of scaphoid
- pisiform
- head of capitate
- pisotriquetral joint
- waist of scaphoid
- capitohamate joint
- tubercle of scaphoid
- scaphocapitate joint
- hamate
- distal pole of scaphoid
- hook of hamate
- capitate
- base of fifth metacarpal
- carpal boss of third metacarpal
- scaphotrapeziotrapezoid (triscaphe) joint
- trapezoid
- tubercle of trapezium
- base of third metacarpal
- trapezium
- first metacarpophalangeal joint
- base of fifth metacarpal
- base of first metacarpal
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