Realizing the greater luxuriance of all forms of plant life in the tropics, it is not difficult to understand an analogy between the tinea imbricata of those regions and widespread dermatophytosis (of tropical origin) in the north. As early as 1855 Bärensprung1 insisted that tinea circinata was etiologically identical with eczema marginatum, and in 1878 Tillbury Fox2 stated that "some forty and more medical men. practising in tropical parts, . . . entirely concur in the view that eczema marginatum and the oriental phase of ringworm known as Indian, Chinese," etc., that is, tinea imbricata, "are one and the same disease."
That Bärensprung and Fox did not have the advantage of the later clarifying mycologic work of Castellani and Sabouraud on the epidermophytons and of Castellani on the endodermophytons is beside the mark: it does not detract from the significance of the view of the "forty and more medical
KITTREDGE HE. TRICHOPHYTOSIS, INCLUDING ONYCHOMYCOSIS UNIVERSALIS, SIMULATING TINEA IMBRICATAREPORT OF AN UNUSUALLY EXTENSIVE CASE. Arch Derm Syphilol. 1933;27(4):607–623. doi:10.1001/archderm.1933.01450040614006
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