Observations on a Case of Mycosis Fungoides

Under the term Mycosis fungoide, Alibert in 1832 described, and in the following year figured in his Atlas, a rare disease of the skin, attaching to it the designation mycosis, from the resemblance which the tumours seen in its later stages bear to a mushroom, but without reference to any supposed parasitic origin, though now the word is a generic one, applied to affections manifestly due to vegetable fungi on the exterior of the body, or to ailments produced by the development of microphytes in its interior. The second part of the phrase was superadded, to denote the tendency which the growths have, after attaining considerable dimensions, of opening out and exposing their structure, rather than from the production of any exuberant new formation from the portion thus laid bare. In publishing an account of a case, Tilden1 in 1885 mentions that he had been able to discover reports, more or less complete, of at least thirty instances; yet the disease is an extremely uncommon one, and, so far as my inquiries have enabled me to discover, no example quite corresponding to the