THE HISTOLOGIC appearance of carcinomas of the sweat glands has been reviewed in two recent articles written by Loos1 and by Gates, Warren and Warvi.2 The number of cases in the literature accepted by these authors as instances of carcinoma of sweat glands is small. Loos, in 1936, enumerated 28 cases and added 1 of his own; Gates, Warren and Warvi, in 1943, enumerated 30 cases and added 6 personally observed cases. Five of the tumors regarded by Loos as carcinomas of sweat glands were not accepted by Gates, Warren and Warvi. The latter authors stated that even among the tumors which they accepted several did not entirely qualify as carcinomas of sweat glands and might have been either adenoid basal cell epitheliomas or hidradenomas.
Carcinomas of the sweat glands do not possess a characteristic appearance. This makes their recognition and their distinction from other cutaneous tumors often
LEVER WF. ADENOACANTHOMA OF SWEAT GLANDSCarcinoma of Sweat Glands with Glandular and Epidermal Elements; Report of Four Cases. Arch Derm Syphilol. 1947;56(2):157–171. doi:10.1001/archderm.1947.01520080017002
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