Fig. 1

Dorsoplantar (a) and splayed mediolateral (b) radiographs of the right pes of a 4-and-a-half-year-old 46-kg (101.4-lb) female spayed Great Dane that was presented with a 2-month history of progressive swelling and excessive licking of PIII of digits IV and V of the right pelvic limb. The entire PIII of digit V, and the proximolateral aspect of PIII of digit IV have an expansile, circular, thin-walled osseous cyst-like appearance. There is subluxation of the distal interphalangeal joint of digit IV and new bone formation on the abaxial margins of the distal interphalangeal joints of digits IV and V