Pigmented villonodular synovitis in a Reticulated giraffe (giraffa camelopardalis)
A 17-yr-old, female, captive-born reticulated giraffe (Giraffa camelopardalis) presented with acute-onset lameness of the right metacarpophalangeal (fetlock) joint. Despite multiple courses of treatment, the lameness and swelling progressively worsened over a 3.5-yr period, and the giraffe was euthanized. At necropsy, gross and microscopic changes in the right, front fetlock and associated flexor tendon sheath included […]