Since the advent of the patch test in determining cutaneous susceptibility to external irritants, many substances have been added to the list of proved causes of dermatitis. An examination of the literature1 concerning dermatoses from external irritants revealed no mention of cinnamon as a possible cause.
The following case is presented as a dermatitis due to cinnamon.
REPORT OF A CASE
E. G., a white man, aged 33, was seen with an eruption on the hands. He had been a baker for nineteen years and had had an eruption on his hands only once before, seven years prior to examination, which had healed spontaneously after three weeks. His duties consisted in preparing the dough and icing for pies and cakes, as well as their final baking. Four days before the onset of the eruption, he had changed his position, although his duties were the same.
On examination, about
TULIPAN L. DERMATITIS FROM CINNAMON. Arch Derm Syphilol. 1932;25(5):921–923. doi:10.1001/archderm.1932.01450020951017
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