Cheiralgia Paresthetica—Wartenberg's Disease

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Abstract
Three cases of cheiralgia paresthetica, a mononeuropathy involving the superficial branch of the radial nerve, are reported. Paresthesias, dysesthesias, and hypesthesia of the ulnar surface of the thumb comprise the essential features of this syndrome. An area of sensory loss over the ulnodorsal aspect of the thumb was demonstrated in all cases. Spontaneous recovery followed in a period of 2-3 weeks. The cause of this disorder is not known although it has been attributed to the trauma of a tight wrist-watch band in previous reports. The significance of this benign and ephemeral disorder relates largely to its differential diagnosis. Unless the physician is aware of such harmless, self-limited affections as cheiralgia paresthetica and the analagous mononeuropathies, he is apt to undertake useless and often hazardous diagnostic procedures and treatments.

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