The use of one disease to cure another was a frequent occurrence in medieval medical lore but, except for the introduction of malaria in syphilis of the nervous system, has been almost completely abandoned in modern times.
Recently I observed the occurrence of two diseases which by their antagonism resulted in the cure of one of them.
REPORT OF CASE
P. S, a boy aged 13, was seen, complaining of the sudden onset of two bald spots on his scalp of two weeks' duration. He gave a past history of having ringworm of the scalp which was detected at school one year previously and which had been treated only by fungicides locally.
Examination revealed a noninflammatory smooth, glossy circular area of alopecia 3 cm. in diameter on the occiput, with several exclamation point hairs. Surrounding this area were numerous hairs showing bright green fluorescence on examination under a Wood
STRAUCH JH. COEXISTING TINEA CAPITIS AND ALOPECIA AREATA. Arch Derm Syphilol. 1950;61(5):863–864. doi:10.1001/archderm.1950.01530120154021