- See:
-
DeQuervain's Disease
-
Differential Diagnosis:
- Discussion:
- snuff box is depression within the borders formed by
EPB &
EPL;
- distal border is formed by prominent edge of base of first metacarpal
& proximal border is formed by styloid process of the radius;
- lies just dorsal and distal to the radial stylid process;
- radial border of snuff box is composed of
APL &
EPB tendons which
pass over radial styloid process & etch groove on its lateral aspect;
- both travel thru
Tunnel I;
- ulnar border of snuff box is
EPL tendon & floor of scaphoid bone;
- occasionally deep branch of
radial artery is palpable where it
crosses the scaphoid bone;
- termainal branches of superficial
radial nerve are also palpable where
they cross EPL tendon;
- terminal branches of the musculocutaneous nerve and the radial nerve,
as well as the radial artery, crosses the snuff box;
- floor consists of the dorsal tubercle of the
trapezium, as well
as portion of the dorsal surface of th scaphoid tubercle;
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Anatomical variations in the first extensor compartment of the wrist.
A clinical and anatomical study.
