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Schwannoma median nerve

Patient Positioning

Patient seated in front of the examiner, hand palm down resting on the examination table.

Probe Positioning

Place the transducer on a transverse plane over the palmar aspect of the wrist.

Note: a schwannoma is a benign tumor of Schwann cells that presents as a mass of the palmar aspect of the wrist which originates in the median nerve fascicules.