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July 1932


Author Affiliations


Arch Derm Syphilol. 1932;26(1):98-109. doi:10.1001/archderm.1932.01450030101015

The anomalies of development of the hair (loose hair, moniliform hair, pinsel hair, breaking nodular hair, bayonet hair, atrophy of the ends of the hair, knotted and pseudoknotted hair) are characterized by hairs of irregular shape, which are more or less short and thin; in general, dry and brittle, and break at the slightest provocation out of the follicle or along the shaft. A symptom common to all is the fragility. The patients show a peculiar appearance, varying from complete baldness to a straight and frizzy-haired scalp.

A patient in the last group recently came under my observation. The hairs were thin and brittle, but a peculiar feature was the twisting of the shaft on its own axis, in some sections with very narrow twists, in others with large twists, occurring at almost regular intervals and involving the entire scalp.

Very little can be found in the literature on

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