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September 1925


Author Affiliations

Instructor and Chief of Clinic, Cornell University Medical College and Clinic; Adjunct Dermatologist, Mount Sinai Hospital NEW YORK

From the Department of Dermatology and Syphilology of the Cornell University Medical College and Clinic, Mount Sinai and Beth Israel Hospitals.

Arch Derm Syphilol. 1925;12(3):360-373. doi:10.1001/archderm.1925.02370090037006

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Although the literature is filled with numerous reports on the various observed forms in which psoriasis manifests itself, a repeated and careful perusal of the recorded cases has failed to bring to light anything similar to the one here reported, and I am therefore convinced that it is a hitherto undescribed form of the disease; namely, an atypical case of chronic psoriasis associated with tumor-like growths.

This type of psoriasis presents a remarkable resemblance in clinical appearance to other dermatoses as well as other forms of psoriasis. For example, it simulates in appearance a case of parakeratosis ostracea (scutularis) described by Unna in 1890 in the International Atlas; and, another by Ludwig Weiss in 1912 in The Journal of the American Medical Association. It also bears a strong resemblance to mycosis fungoides, psoriasis rupioides, psoriasis verrucosa, dermatitis caused by arsenic, and in many ways suggests sarcoma, especially Kaposi's sarcoma. However,

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