Hemipelvectomy to treat sarcoma of the proximal portion of the femur in a rabbit.

Case Description: A 7-year-old sexually intact female rabbit was admitted to the hospital because of a 6-month history of chronic right pelvic limb lameness.

Clinical Findings: Clinical examination revealed a prominent right pelvic limb lameness and signs of pain on manipulation of the right hip joint, with a focal, well-defined soft tissue mass palpable in the right pelvic area. Pelvic radiography revealed a lytic hip joint lesion and CT detailed an expansile lesion within the proximal portion of the femur with an appearance consistent with a soft tissue mass.

Effect of osteoarthritis on the repeatability of patella tendon angle measurement in dogs.

Objective: To evaluate the influence of osteoarthritis on the measurement of patella tendon angle (PTA) and determine intraobserver and interobserver variability.

Study Design: Retrospective clinical study.

Sample Population: Eighty-seven mediolateral radiographs that were obtained prior to tibial tuberosity advancement.