Minemura T, Kikuchi S, Mihara H, Kamihara Y, Wada A, Fuchino M, Nanjo S, Noguchi A, Minamisaka T, Murakami J, Yasuda I, Sato T. Protein-losing Enteropathy Complicated with Primary Intestinal Follicular Lymphoma.
Intern Med 2022;
61:2051-2055. [PMID:
34840227 PMCID:
PMC9334233 DOI:
10.2169/internalmedicine.8261-21]
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Abstract
Protein-losing enteropathy (PLE) is a rare syndrome characterized by hypoproteinemia due to gastrointestinal (GI) protein loss. Primary intestinal follicular lymphoma (PIFL), a specific variant of follicular lymphoma with essential only GI involvement, has not been reported as an etiology of PLE. We herein report a case of PLE complicated with PIFL that was successfully treated with rituximab, resulting in rapid improvement of PLE and a complete response of PIFL. Macroscopic findings of ulcerative lesions with diffuse involvement, which were precisely described by capsule and double-balloon enteroscopy at the diagnosis, also improved following the treatment. This case provides a clue suggesting factors that promote PLE in PIFL.
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