NAVLE® Question of the day

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January 14, 2025
NAVLE

A 15-year-old Quarter horse mare is presented for right front lameness grade 3/5 on the AAEP lameness scale (lameness consistently visible at the trot). She becomes sound after an abaxial nerve block.

Radiographs of the distal limb look are shown below.

What is the common name for the top differential diagnosis?