Bone haemophilic pseudotumour of the ulna: A rare complication of haemophilia in a dog

Summary Objectives: This case report describes for the first time a bone haemophilic pseudotumour in a dog. Case description: A seven-month-old German Shepherd male dog was presented with the complaint of a forelimb weight-bearing lameness with major swelling that expanded dramatically after fine needle aspiration. Radiographs showed a large, well-defined ulnar diaphyseal cystic-like osteolytic lesion. Based on prolonged activated partial...