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Evaluation of upper extremity mononeuropathy
Approximate distribution of ulnar sensory nerve on palm
From the collection of Hannah R. Briemberg, MD, FRCPC
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Evaluation of upper extremity mononeuropathy
Testing thumb abduction strength in assessment of carpal tunnel syndrome: with palm facing up, patient lifts thumb toward ceiling, and resistance is applied as shown
From the collection of Hannah R. Briemberg, MD, FRCPC
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Evaluation of upper extremity mononeuropathy
Marked atrophy of both the thenar eminence and the first dorsal interosseus is seen in thoracic outlet syndrome; it should be noted that this is an extremely rare diagnosis
From the collection of Hannah R. Briemberg, MD, FRCPC
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Evaluation of upper extremity mononeuropathy
Severe bilateral carpal tunnel syndrome resulting in atrophy of abductor pollicis brevis
From the collection of Hannah R. Briemberg, MD, FRCPC
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Evaluation of upper extremity mononeuropathy
Approximate distribution of ulnar sensory nerve on dorsum of hand
From the collection of Hannah R. Briemberg, MD, FRCPC
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Evaluation of upper extremity mononeuropathy
Approximate distribution of median sensory nerve on palm
From the collection of Hannah R. Briemberg, MD, FRCPC
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Evaluation of upper extremity mononeuropathy
Approximate distribution of radial sensory nerve
From the collection of Hannah R. Briemberg, MD, FRCPC
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Evaluation of upper extremity mononeuropathy
Severe ulnar neuropathy; note atrophy of first dorsal interosseus and inability to extend proximal interphalangeal (PIP) joints of fourth and fifth digits
From the collection of Hannah R. Briemberg, MD, FRCPC
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