## Overview Thoroughpin is the common name for fluid distension of the tarsal sheath at the hock. It appears as a soft swelling on both the medial and lateral sides. Many cases are idiopathic and painless. Ultrasound distinguishes simple effusion from cases with tendon injury. ## Causes Idiopathic fluid accumulation or secondary to tendon strain. ## Diagnosis Clinical appearance and ultrasound. ## Treatment None if sound. Treat underlying tendon disease if present. ## Recovery and Prognosis Excellent for uncomplicated thoroughpin. ## Prevention None.
soft swelling on both sides of the hock; usually cool and painless; variable lameness
## Overview Thoroughpin is the common name for fluid distension of the tarsal sheath at the hock. It appears as a soft swelling on both the medial and lateral sides. Many cases are idiopathic and painless. Ultrasound distinguishes simple effusion from cases with tendon injury. ## Causes Idiopathic fluid accumulation or secondary to tendon strain. ## Diagnosis Clinical appearance and ultrasound. ## Treatment None if sound. Treat underlying tendon disease if present. ## Recovery and Prognosis Excellent for uncomplicated thoroughpin. ## Prevention None.
soft swelling on both sides of the hock; usually cool and painless; variable lameness