Unilateral Frontal Hyperhidrosis Relieved by Supraorbital Nerve Section

Disturbances of sweating in areas supplied by peripheral nerves have been described in association with lesions of these nerves but always in the presence of abnormalities of sensory or motor functions. There have been numerous observations¹of either hyperhidrosis or anhidrosis in cases of traumatic lesions of peripheral nerves. However, the occurrence of hyperhidrosis in the zone of supply of a peripheral nerve in the absence of any accompanying abnormality of function has not hitherto been recorded, to our knowledge. Further justification for this report is the fact that the patient was relieved of her complaint by division of the nerve supplying the affected area. REPORT OF CASE Mrs. E. M., aged 30, referred by Dr. Grace Gorham of Norwalk, Conn., suffered from paroxysms of sweating over the left side of the forehead. Her family and past histories were noncontributory except that she and three other members of her