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May 1996

If Small Plaque (Digitate) Parapsoriasis Is a Cutaneous T-Cell Lymphoma, Even an 'Abortive' One, It Must Be Mycosis Fungoides!

Author Affiliations

Institute of Dermatopathology Jefferson Medical College 10 S Ninth St Suite 1410 Philadelphia, PA 19107; Philadelphia

Arch Dermatol. 1996;132(5):562-566. doi:10.1001/archderm.1996.03890290096013

In the MARCH 1995 issue of the Archives, Burg and Dummer,1 in an Editorial, advanced the thesis that "small plaque (digitate) parapsoriasis is an 'abortive' cutaneous T-cell lymphoma and is not mycosis fungoides." Their conclusion is illogical; if small plaque parapsoriasis is a cutaneous T-cell lymphoma, even an "abortive" one (according to The Oxford English Dictionary, abortive means unsuccessful), it is a lymphoma, and the T-cell lymphoma in skin characterized by scaly patches is mycosis fungoides.

The concept of mycosis fungoides on which Burg and Dummer predicated their thinking is the conventional one set forth by Alibert in 1806,2 which was restated by the coauthors in these words: "Mycosis fungoides is a nosologic defined entity that progressively develops through stages reflected in changes of the clinical as well as histologic features...." But the notion of mycosis fungoides as a disease that develops progressively is at variance

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