Mantle zone lymphoma in a gastric glomus tumor.
A 61-year-old man had an ileocolectomy for resection of an obstructing lesion of the terminal ileum, which proved to be a mantle zone variant of intermediate lymphocytic lymphoma. At laparotomy, an intramural nodule in the gastric antrum was observed; on resection, this was found to be a typical gastric glomus tumor, focally infiltrated by lymphoma. This combined tumor has not been described previously, to the knowledge of the authors, and could be misdiagnosed easily, although both components should be considered in the differential diagnosis of small cell gastric neoplasms and can be identified readily by immunohistochemical studies.
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