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G. H. V. CLARKE, M.A., M.B.B.S., A.R.I.C., M.R.C.S.

AMA Arch Derm Syphilol. 1951;64(3):314-319.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

DURING the war of 1939 to 1945, a large number of papers were written on the appearance of a lichen-planus-like disease among white troops in the tropics who had been taking quinacrine. That quinacrine is concerned in the etiology there can be no doubt.¹ What is the precise mechanism, however, is open to different interpretations. It is usually assumed to be a toxic or allergic manifestation following treatment with quinacrine, i. e., a drug eruption, but equally quinacrine could act as a trigger factor in activating a lichen-planus-like disease endemic to the tropics, as fever may activate herpes febrilis or arsenic activate herpes zoster.

Whatever the explanation, a disease resembling lichen planus hypertrophicus and which I believe in fact to be this disease is relatively common among the Negroes of southern Nigeria. The picture is striking and characteristic and has not, so far as I am aware, been commented . . . [Full Text PDF of this Article]

Author Affiliations
LAGOS, NIGERIA

Footnotes
Dermatologist, Nigerian Medical Service.

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