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On the basis of numerous biopsies performed on patients with favus, trichophytosis and microsporosis of the scalp before and after roentgen ray epilation the author came to the following conclusions.
No changes are noticeable in the skin during the first four to six days after a single epilating dose of roentgen rays. Beginning with the seventh day the epidermis becomes thinner; hair follicles show degenerative changes, and the inflammation in the corium due to fungous infection begins to subside.
All these signs of inhibition of tissue processes increase up to approximately the twenty-second day and lead to atrophy of the hair follicles and falling out of the hair.
Blood vessels are dilated, and their endothelium swells.
An epilating dose of roentgen rays does not leave any permanent changes in the tissues. The signs of regeneration clearly noticeable in the hair follicles become manifest on the
Histologic Changes of the Skin in Favus and Trichophytosis in the Process of Roentgen Epilation. Arch Derm Syphilol. 1946;54(6):772. doi:10.1001/archderm.1946.01510410138017
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