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Article
May 1990

Metastatic Crohn's DiseaseCase Report and Review of the Literature

Author Affiliations

From the Department of Pathology (Dr Shum) and Division of Dermatology (Dr Guenther), Department of Internal Medicine, University of Western Ontario and Victoria Hospital, London, Canada.

Arch Dermatol. 1990;126(5):645-648. doi:10.1001/archderm.1990.01670290089015
Abstract

• Metastatic Crohn's disease is an unusual granulomatous inflammation of the skin that is noncontiguous to the gastrointestinal tract. Our review of the English-language literature shows that 23 cases of metastatic Crohn's disease have been published since its description in 1964. The skin lesions can be in the form of erythematous nodules, plaques, or ulcers, and the lower extremities are involved in half of the cases. We describe a 24-year-old woman with metastatic Crohn's disease. Ultrastructural examination revealed changes that were compatible with episodic endothelial cell injuries. Results of both direct and indirect immunofluorescence studies were negative. The possible role of T lymphocytes and macrophages in mediating this vascular damage is considered.

(Arch Dermatol. 1990;126:645-648)

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