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Article
August 1947

TRICHONODOSIS: Report of a Case

Author Affiliations

CAMDEN, N. J.

Arch Derm Syphilol. 1947;56(2):267-268. doi:10.1001/archderm.1947.01520080127015
Abstract

Trichonodosis, or knotted hair, is described briefly by McCarthy.1 He mentions two types. One variety, rarely seen, occurs as a solitary knot associated with abnormal growth of the hair. The second type is commoner, according to the European authors2 cited by McCarthy. This variety occurs as multiple knots and probably results from physical and mechanical forces such as combing, singeing, washing and the habit of running the fingers through the hair.

McCarthy stated in 1940 that there are no reports of this condition in the American literature. The "Quarterly Cumulative Index Medicus" for the years 1939 to 1945, inclusive, contains no American references and only one foreign reference.3 The index of The Journal of the American Medical Association for 1946 and the index of the Current List of Medical Literature of the Army Medical Library for 1946 contain no references to trichonodosis.

In addition to McCarthy's chapter

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