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Hand & Upper Limb
intermediate
X-Type

Anterior Interosseous Syndrome MCQ

anterior-interosseous-syndrome

A 35-year-old woman presents with difficulty using her dominant hand for fine tasks. She noticed the problem 3 weeks ago after intensive computer work. She cannot pinch small objects between her thumb and index finger. On examination, when asked to make an "OK" sign, her thumb IP and index DIP joints remain extended, forming a pulp-to-pulp pinch rather than a tip-to-tip circle. Sensation is intact throughout the hand. **Which of the following BEST describes this clinical presentation?**

Mark each as TRUE or FALSE

A

Carpal tunnel syndrome with isolated motor involvement

B

Pronator syndrome with median nerve compression

C

Anterior interosseous syndrome (Kiloh-Nevin syndrome)

D

Cervical radiculopathy at C6-C7 level

E

Flexor tendon rupture at the wrist level

Answer the questions to see explanations

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