Diagnosis of benign gastric lesions by roentgen methods has been the subject of numerous papers (5, 7, 8, 9, 11, 13), and the varieties of tumors to be found in the stomach have been listed by many writers. In recent years it has become apparent that some non-neoplastic lesions, such as aberrant pancreas and certain inflammatory conditions, may simulate benign tumors roentgenologically. Most radiologists have assumed that a rounded, well defined filling defect which does not interfere with either the flexibility or peristalsis of the gastric wall, especially if the defect is movable and there is some evidence of a pedicle, is likely to be a benign polyp or adenoma. In routine examinations of symptomless individuals, particularly those with pernicious anemia or with achlorhydria, this is a frequent finding (3, 12). Recently, however, an unusual inflammatory lesion has been described which mimics the appearance of a benign polyp and should therefore be considered in the differential diagnosis of such defects in the roentgenogram of the stomach. Vanek (12), the first to recognize this lesion as a distinct entity, designated it a “gastric submucosal granuloma with eosinophilic infiltration.” Helwig and Ranier (4) and Bullock and Moran (2) use the term “inflammatory fibroid polyp of the stomach.” We have employed the designation “granuloma with eosinophils.” The microscopic characteristics have been minutely described by the authors cited, and our observations are similar to theirs. The lesion, involving mucosa and submucosa, forms a fairly well circumscribed, more or less elevated mass of variable size. Histologically, it is characterized by rather loose fibrous tissue, partly in faintly lobular arrangement, with a cellular infiltrate that is dominated by eosinophils (Figs. 3 and 7). Report of Cases Case I: A 57-year-old white male was admitted to the Minneapolis General Hospital because of chills, fever, cough, and pain in the left chest. Clinical and roentgen examination revealed a bilateral bronchopneumonia in both lower lung fields. The patient, an alcoholic, was inebriated at the time of admission, and the past history was difficult to elicit. There was a vague and incoherent story of mid-epigastric pain relieved by food. An upper gastrointestinal x-ray examination demonstrated a sharply defined, well rounded defect in the antrum (Fig. 1). Gastric analysis on one occasion revealed 10 degrees of free acid. A portion of stomach was removed and showed a sessile, smooth-surfaced polyp, 1.2 cm. in greatest diameter, on the posterior wall 5 cm. from the pylorus. The mucosa extending over the surface was quite thin at the apex, where a tiny area of erosion covered by fibrinopurulent material was present. Microscopic diagnosis: granuloma with eosinophils. Case II: A 38-year-old white female was admitted to the University of Minnesota Hospitals in August 1952. On May 21, 1952, the patient had fainted.