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Article
March 1971

PSEUDOMALIGNANCIES

Author Affiliations

Boston University School of Medicine

Arch Dermatol. 1971;103(3):341. doi:10.1001/archderm.1971.04000150111021
Abstract

To the Editor.—  In a recent communication in the Archives entitled "Papular Angioplasia: Vascular Papules of the Face and Scalp Simulating Malignant Vascular Tumors" by Drs. Wilson-Jones and Marks (102:422, 1970), the authors in discussing their unusual cases point out that these may be further examples of the enlarging group of cases in the literature where the cytological details favor malignancy, yet the clinical course and behavior of the lesion are unequivocally benign. Such tissue reactions have been termed "pseudomalignancies," and examples of it include keratoacanthoma, juvenile melanoma, lymphomatoid papulosis, nodular fasciitis, atypical fibroxanthoma, and proliferative myositis.I would like to caution your readers that before this statement can be accepted, long-term follow-up is essential. One patient whose case was reported as "Pseudosarcomatous Fibromatosis (Fasciitis)"1 and a second patient whose case2 was presented before the New England Dermatologic Society on numerous occasions, and referred to in correspondence

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