Hand and wrist
Ulnar variance
-2-2 mm
Radiography (Posteroanterior)
Distance between distal point of ulna (on the radial side) and distal point of radius (on the ulnar side). A -2 score means ulna is 2 mm short from radius.
Synonyms: Radioulnar index
Reference
Cooney WP. The Wrist, Diagnosis and Operative Treatment. Lippincott Williams & Wilkins. (2010).
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