trigger finger/stenosing tenosynovitis

Question 1

what is trigger finger?

Answer 1

common condition associated with abnormal flexion of the digits

occurs when inflammation or nodules develop in flexor tendon sheath of a finger causing pain and difficulty in movement

Question 2

what is trigger finger associated with?

Answer 2

mostly idiopathic
rheumatoid arthritis
diabetes

Question 3

what are features of trigger finger?

Answer 3

more common in thumb, middle or ring finger
initially stiffness + snapping when extending a flexed digit
nodule may be felt at base of affected finger

Question 4

what is management of trigger finger?

Answer 4

steroid injection
finger split can be applied afterwards
if not responded consider surgery