CT wrist coronal - labeling questions

Case contributed by Craig Hacking
Diagnosis not applicable

Normal CT wrist (with labels)

Annotated image

The labeled structures are (excluding the correct side):

  1. first carpometacarpal joint
  2. tubercle of trapezium
  3. pisiform
  4. trapezium
  5. distal pole of scaphoid
  6. base of first metacarpal
  7. hook of hamate
  8. lunate
  9. shaft of first metacarpal
  10. tubercle of scaphoid
  11. scapholunate joint
  12. scaphoid fossa of distal radius
  13. distal radioulnar joint
  14. scaphotrapeziotrapezoid (triscaphe) joint
  15. triquetrum
  16. proximal pole of scaphoid
  17. ulnar head
  18. waist of scaphoid
  19. styloid process of ulna
  20. ulnar notch of distal radius
  21. head of capitate
  22. styloid process of radius
  23. fovea
  24. lunate fossa of distal radius
  25. second carpometacarpal joint
  26. capitate
  27. intercarpal joint
  28. distal radius
  29. trapezoid
  30. hamate
  31. base of fifth metacarpal
  32. base of second metacarpal
  33. fifth carpometacarpal joint
  34. shaft of fifth metacarpal
  35. base of third metacarpal
  36. neck of fifth metacarpal
  37. third carpometacarpal joint
  38. dorsal (Lister's) tubercle of distal radius
  39. shaft of second metacarpal
  40. head of fifth metacarpal
  41. carpal boss of third metacarpal

Normal CT wrist (no labels)

ct

The same normal wrist CT without labels for reference.

Case Discussion

The labeled structures are (excluding the correct side):

  1. first carpometacarpal joint
  2. tubercle of trapezium
  3. pisiform
  4. trapezium
  5. distal pole of scaphoid
  6. base of first metacarpal
  7. hook of hamate
  8. lunate
  9. shaft of first metacarpal
  10. tubercle of scaphoid
  11. scapholunate joint
  12. scaphoid fossa of distal radius
  13. distal radioulnar joint
  14. scaphotrapeziotrapezoid (triscaphe) joint
  15. triquetrum
  16. proximal pole of scaphoid
  17. ulnar head
  18. waist of scaphoid
  19. styloid process of ulna
  20. ulnar notch of distal radius
  21. head of capitate
  22. styloid process of radius
  23. fovea
  24. lunate fossa of distal radius
  25. second carpometacarpal joint
  26. capitate
  27. intercarpal joint
  28. distal radius
  29. trapezoid
  30. hamate
  31. base of fifth metacarpal
  32. base of second metacarpal
  33. fifth carpometacarpal joint
  34. shaft of fifth metacarpal
  35. base of third metacarpal
  36. neck of fifth metacarpal
  37. third carpometacarpal joint
  38. dorsal (Lister's) tubercle of distal radius
  39. shaft of second metacarpal
  40. head of fifth metacarpal
  41. carpal boss of third metacarpal

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