Cubital Tunnel Syndrome

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Cubital Tunnel Syndrome
Synonym Ulnar Neuropathy at the Elbow
Pathophysiology Ulnar nerve entrapment most commonly within the cubital tunnel.
Clinical Features Sensory loss ulnar half of digit 4 and entire digit 5. Frequently spares ulnar innervated forearm muscles (flexor carpi ulnaris and flexor digitorum profundus to digits 4/4), while commonly affecting the ulnar innervated hand muscles, particularly the first dorsal interosseous muscle. Positive Tinel's sign at medial elbow, Wartenburg's sign, and Froment's sign.

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