Annular Ligament Syndrome Flashcards

Question	Answer		Article
Where is the annular ligament and what does it do?	A fibrous band that runs circumferentially around the fetlocks of both forelimbs and hindlimbs, wrapping around the flexor tendons and their sheath, providing protection and lubrication as they pass over the sesamoid bones.		Link to Article
What are the causes of secondary ALS?	Tenosynovitis of the digital sheath Injury or desmitis of the flexor tendons		Link to Article
What is the most common cause of ALS in the forelimb and hindlimb respectively?	Tenosynovitis of digital sheath in forelimb Traumatic injury to PAL in hindlimb		Link to Article
What is the consistent characteristic finding on clinical examination with ALS?	A visible/palpable notch in the palmar/plantar limb at the PAL’s proximal margin.		Link to Article
What ultrasound finding is diagnostic of ALS?	An annular ligament thickness of >2mm.		Link to Article
What is the treatment for primary ALS (and also part of therapy for secondary ALS)?	Annular ligament desmotomy		Link to Article