## Overview Tarsal sheath tenosynovitis is inflammation of the sheath around the deep digital flexor tendon at the hock, producing the swelling called thoroughpin. It may be primary or secondary to tendon injury or hock disease. Soft fluctuant swellings appear medial and lateral to the hock. Lameness is variable. ## Causes Trauma, tendon strain, or idiopathic. ## Diagnosis Ultrasound of the sheath and tendon. ## Treatment Rest and anti-inflammatories if inflamed. Address tendon lesions if present. Cosmetic cases may be left alone. ## Recovery and Prognosis Good for uncomplicated cases. ## Prevention None specific.
soft fluctuant swelling medial and lateral to the hock; variable lameness; may indicate deeper pathology
## Overview Tarsal sheath tenosynovitis is inflammation of the sheath around the deep digital flexor tendon at the hock, producing the swelling called thoroughpin. It may be primary or secondary to tendon injury or hock disease. Soft fluctuant swellings appear medial and lateral to the hock. Lameness is variable. ## Causes Trauma, tendon strain, or idiopathic. ## Diagnosis Ultrasound of the sheath and tendon. ## Treatment Rest and anti-inflammatories if inflamed. Address tendon lesions if present. Cosmetic cases may be left alone. ## Recovery and Prognosis Good for uncomplicated cases. ## Prevention None specific.
soft fluctuant swelling medial and lateral to the hock; variable lameness; may indicate deeper pathology