Gastrointestinal involvement inl-tryptophan (l-trp) associated eosinophilia-myalgia syndrome (EMS)

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Abstract
We report a 45-year-old female who had symptomatic gastrointestinal involvement, eosinophils in the cellular infiltrate, and who proved to havel-tryptophan-associated eosinophilia-myalgia syndrome. This case illustrates that gastrointestinal disease can be a major, seemingly primary clinical presentation in this syndrome, and that a drug history, specificallyl-tryptophan, needs to be included in the differential diagnosis of “eosinophilic gastroenteritis.”