Localized Hyperplastic Gastropathy of the Mucous Cell- and Mixed Cell-Type (Localized Ménétrier's Disease): A Report of 11 Patients


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Abstract

Clinical and pathologic findings in five women and six men with the rare localized form of hyperplastic gastropathy of the mucous cell-(foveolar) or mixed cell-(mucous cell and glandular) type are reported. Upper abdominal discomfort, loss of appetite, loss of weight, and anemia were the principal symptoms. Preoperative hypoproteinemia was documented in two patients. Gross findings consisted of a circumscribed area of giant folds, well demarcated from the surrounding normal-appearing mucosa, located predominantly in the corpus in six patients and predominantly in the antrum in four patients. Histologically they corresponded to an increase in the epithelial cell mass principally of mucous cells with elongated and sometimes cystically dilated foveolae, accompanied by a mild inflammatory infiltrate. This so-called localized form of hyperplastic gastropathy has been known since the first description of the disease but has gained relatively little attention in the literature. However, its recognition seems diagnostically important and pathogenetically interesting. Etiology, pathogenesis, and the natural history are mostly unknown. Five of the 11 patients had concomitant adenocarcinoma of the stomach. In four of them the carcinoma was not located within but outside the area of hyperplasia. Because of that and because of a rather unusual accumulation of other tumors of the gastrointestinal tract in these patients, it is suggested that localized hyperplastic gastropathy could be an indicator of an increased risk for gastrointestinal tumors in general more than a possibly premalignant lesion by itself.

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