TERES MINOR MYOPATHY AS A CAUSE OF LAMENESS IN A DOG

A case of a teres minor myopathy causing chronic lameness in a five-ye ar-old working labrador retriever is described. Ultrasonography was us ed to assist in detection of the condition and a definitive diagnosis was made by histological examination after muscle excision. Medical tr eatment was ineffective, but excision of the affected muscle resulted in complete resolution of the lameness with no apparent adverse affect s on joint function. The aetiology of this condition is unknown.