It is well known that the treatment for tinea of the scalp was a problem without satisfactory solution until the application of roentgentherapy. No known fungicidal agent can reach the depth of the hair follicle or the interior of the hair itself in order to destroy the causative fungus. Therefore, any therapeutic measures must be directed toward the temporary removal of the diseased hair. Hence, x-rays are used in view of the epilating action of this physical agent in certain doses.
The discovery of the epilating action of thallium salts was observed and classified as a sign of thallium poisoning by several investigators. In the last few years, this epilating action of thallium has been used in the production of a temporary alopecia in tinea of the scalp.
REVIEW OF THE LITERATURE
Sabouraud1 was the first to report a case of defluvium capillorum under the accidental use of a
PARDO-CASTELLO V, MESTRE JJ, RIO E. TINEA OF THE SCALP: TREATMENT WITH THALLIUM SALTS. Arch Derm Syphilol. 1929;19(3):409–424. doi:10.1001/archderm.1929.02380210064005
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