Media type: E-Article Title: Erosion of Psoriatic Plaques After Chronic Methotrexate Administration Contributor: Kaplan, David L.; Olsen, Elise A. Published: Wiley, 1988 Published in: International Journal of Dermatology, 27 (1988) 1, Seite 59-62 Language: English DOI: 10.1111/j.1365-4362.1988.tb02342.x ISSN: 0011-9059; 1365-4632 Keywords: Dermatology Origination: Footnote: Description: ABSTRACT: A 43‐year‐old while man developed a shallow erosion of a psoriatic plaque after chronic administration of methotrexate. This unusual cutaneous sign may be the first sign of methotrexate toxicity.