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Trichophyton Tonsurans Infection of the Scalp with Kerion Formation. Presented by Dr. Eugene A. Hand, Saginaw.
The patient is a 3 1/2-year-old white girl, who lives on a farm near Merrill, Mich. One month after playing with Mexican children with "scalp trouble" she began to develop a scalp irritation. This eruption has been spreading since.
Laboratory examination of the scalp under the Wood's light was negative. Examination of the hairs and scales under the microscope by means of a potassium hydroxide preparation was negative for fungus elements. Culture was positive for Trichophyton tonsurans.
The original lesion changed to a typical kerion.
Dr. Eugene A. Hand, Saginaw: This patient was brought to the meeting to demonstrate that we are still having quite an epidemic of T. tonsurans in our area. I should like to urge you to culture your bizarre alopecia areata and seborrheas, for there may be similar
Courville CJ, Mopper C, Eyster WH. DETROIT DERMATOLOGICAL SOCIETY. AMA Arch Derm. 1955;71(4):540–544. doi:10.1001/archderm.1955.01540280116034