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Updated: Aug 19, 2026

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Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
Published on: December 15, 2011
L-tryptophan-induced eosinophilia-myalgia syndrome. I. Report of two cases with pseudoxanthoma-elasticum-like skin
C Mainetti1, E Schmied, I Masouyé
1Department of Dermatology, Hôpital Cantonal Universitaire, Geneva, Switzerland.
Abstract:
Two female patients who fulfilled the criteria for L-tryptophan-induced eosinophilia-myalgia syndrome (EMS) had, together with morphea-like and fasciitis-like sclerotic changes of the skin, lesions that clinically mimicked pseudoxanthoma elasticum (PXE). Histology was compatible with the diagnosis; electron microscopy did not reveal calcium deposits. PXE-like changes may represent an additional feature of the pleomorphic L-tryptophan-induced EMS.

