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Chondroma mass on the hock of a sandhill crane

Detailed Description

Photographs from a sandhill crane (Antigone canadensis) found dead in Indiana, U.S.A.  (A) There is a firm mass on the right cranial hock with a roughened black and tan surface. (B) On cut section, the mass is gelatinous, mottled light pink to gray, and extends to the joint space (arrow).


Public Domain.