A case report and an analysis of 12 additional reported cases of plasmacytoma of the stomach are presented. No specific clinical or laboratory findings characterized this disease. Grossly, the lesions resembled carcinoma and are classified as nodular, infiltrative, ulcerative, and polypoid. Like lymphoma, it may present a multinodular pattern with multiple ulcerations in roentgenograms. Surgery is the therapy of choice, followed by radiation. For disseminated lesions, radiation and/or chemotherapy produce tumor regression. Plasmacytoma involved small and/or large intestines in 5 cases; esophagus was never involved. Ten patients died in 5 years—6 of gastric plasmacytoma, 4 of postoperative complications. Five cases had disseminations; 2 showed bone involvement.
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Remigio et al. (1971) studied this question.
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