## Overview Tenosynovitis of the extensor tendon sheath where it crosses the dorsal carpus produces visible soft swelling on the front of the knee. Lameness is often mild or absent. It may be primary or secondary to carpal joint issues. ## Causes Strain, trauma, or extension of carpal inflammation. ## Diagnosis Palpation, ultrasound, and lameness evaluation with diagnostic analgesia if needed. ## Treatment Rest, anti-inflammatories, and bandaging. Intrabursal medication for persistent cases. Address concurrent carpal disease. ## Recovery and Prognosis Good. Swelling may remain as a cosmetic change. ## Prevention Avoidance of repetitive trauma to the dorsal carpus.
soft fluctuant swelling on the dorsal carpus; mild or absent lameness; cosmetic concern
## Overview Tenosynovitis of the extensor tendon sheath where it crosses the dorsal carpus produces visible soft swelling on the front of the knee. Lameness is often mild or absent. It may be primary or secondary to carpal joint issues. ## Causes Strain, trauma, or extension of carpal inflammation. ## Diagnosis Palpation, ultrasound, and lameness evaluation with diagnostic analgesia if needed. ## Treatment Rest, anti-inflammatories, and bandaging. Intrabursal medication for persistent cases. Address concurrent carpal disease. ## Recovery and Prognosis Good. Swelling may remain as a cosmetic change. ## Prevention Avoidance of repetitive trauma to the dorsal carpus.
soft fluctuant swelling on the dorsal carpus; mild or absent lameness; cosmetic concern