During the period between November 1982 and April 1984, 11 sheep showing clinical signs of infection by Coenurus cerebralis were subjected to clinical and radiographical examinations, and subsequently treated surgically for removal of the cyst. A detailed account is given of the investigations carried out and of the surgical procedure adopted for the removal of the cyst together with cystographical and surgicopathological findings. There was a successful clinical response to the removal of the cyst.
A survey of cadaver material was undertaken in order to determine the prevalence of arthritis of the canine stifle joint. One hundred and fifty unselected cadavers were obtained from veterinary practices for this purpose, and their stifle joints were radiographed and dissected to discover abnormalities. Thirty-one dogs (20 per cent) had stifle arthritis and in all except one the lesions were characteristic of osteoarthritis. In the exceptional case infection was the cause. A mechanical derangement was present in 20 of the 54 affected joints, in the form of rupture of the anterior cruciate ligament (10), meniscal tears (9) and patellar dislocation (1). The cause of the arthritis in the other 33 joints is unknown.
Sixty–four dogs with rupture of the anterior cruciate ligament in one or both stifle joints were referred to the Royal Veterinary College, London for treatment. Details of the pathological changes in the joints were recorded at the time of open surgery in fifty–seven and these changes are discussed. A post–mortem examination was made on one dog and the joint lesions were studied more closely.
The blood supply of the stifle joint was investigated in ten fresh dog cadavers using injections of Micropaque into the aorta and subsequent radiographic examination. The relevance of the blood supply to surgical intervention and the repair of injuries is discussed.
An ununited medial coronoid process was found in the region of the medial ulnar articular rim of seven elbow joints in four Persian stray dogs in a survey of joint disease in dogs.
The clinical, radiographical and pathological aspects of this condition are described and discussed.
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