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Hand & Upper Limb
intermediate
X-Type

Trigger Finger A1 Pulley

Tendon Disorders

A 55-year-old woman with diabetes presents with painful clicking of her right ring finger that has been worsening over 3 months. She reports the finger "locks" in flexion, especially in the morning, and she must use her other hand to straighten it. Examination reveals tenderness over the A1 pulley with a palpable nodule on the flexor tendon and triggering with active finger movement. Regarding trigger finger (stenosing tenosynovitis):

Mark each as TRUE or FALSE

A

Trigger finger results from a size mismatch between the flexor tendon and the A1 pulley at the metac...

B

Clinical grading: Grade I (pain and tenderness without triggering), Grade II (triggering that the pa...

C

Trigger finger is caused by A2 pulley pathology; the thumb is rarely affected; diabetes is protectiv...

D

Non-operative treatment includes corticosteroid injection into the tendon sheath (70-90% effective f...

E

Surgical treatment (A1 pulley release) is indicated for failed injections, Grade IV locked trigger, ...

Answer the questions to see explanations

Click T (True) or F (False) for each option