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  • Title: Gastric mucosa-associated lymphoid tissue lymphoma: radiographic findings in six patients.
    Author: Yoo CC, Levine MS, Furth EE, Salhany KE, Rubesin SE, Laufer I, Herlinger H.
    Journal: Radiology; 1998 Jul; 208(1):239-43. PubMed ID: 9646819.
    Abstract:
    PURPOSE: To determine the radiographic findings of low-grade gastric mucosa-associated lymphoid tissue (MALT) lymphoma on double-contrast upper gastrointestinal studies. MATERIALS AND METHODS: Pathology records, double-contrast upper gastrointestinal studies, and medical records of six patients with gastric MALT lymphoma were retrospectively reviewed. RESULTS: The most common clinical findings at presentation included epigastric pain (n = 6), dyspepsia (n = 4), and nausea and vomiting (n = 4). Double-contrast studies revealed rounded, often confluent nodules of varying size in four patients with low-grade MALT lymphoma. Nodularity was located in the gastric antrum (n = 2), body (n = 1), or body and fundus (n = 1). A fifth patient had a malignant-appearing 1-cm-diameter antral ulcer, and a sixth had a 10-cm-diameter polypoid, ulcerated mass in the gastric fundus. The latter patient was found to have high-grade MALT lymphoma with low-grade MALT lymphoma abutting the tumor. Five patients had associated Helicobacter pylori gastritis. Five patients had stage I disease, and one had stage IIB disease. At endoscopic follow-up (n = 4), marked regression of tumor occurred after treatment with antibiotics, chemotherapy, and/or radiation therapy. CONCLUSION: When low-grade MALT lymphoma is suspected on the basis of barium study results, endoscopic biopsy specimens should be obtained for a definitive diagnosis so these patients can be treated before the development of high-grade gastric lymphoma.
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