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TOM D. SPIES, M.D.

Arch Intern Med. 1935;56(5):920-926.

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

In the early descriptions observers expressed the belief that pellagra was caused by the sun, and it was accordingly designated by many writers as mal de la sol or sickness of the sun.¹ Since that time various writers have held that sunlight was either the sole cause or a major factor in the pathogenesis of the disease. Bass,² Ormsby,³ Sutton⁴ and Ruffin and Smith⁵ described the development of pellagrous erythema in pellagrins exposed to direct sunlight. Some writers believed that the pellagra-producing portion of the sunlight is present in the violet end of the spectrum.⁶ All these conclusions have, of necessity, been based on personal interpretations, at times without full regard for the inherent difficulties in distinguishing between the erythema of sunburn and that of pellagra.

The present study is concerned with observations on pellagrous dermatitis and the relationship of these cutaneous changes to exposure . . . [Full Text PDF of this Article]

Author Affiliations
CLEVELAND

From the H. K. Cushing Laboratory of Experimental Medicine, Department of Medicine, Western Reserve University, and the Medical Service, Lakeside Hospital.

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