Asynchronous Low-Grade Malignant B-cell MALT Lymphoma of Parotid Glands; A Case Report.

Iwai, Hiroshi; Okamura, Atsushi; Sakaida, Noriko; Shiraishi, Shugo; Yanagida, Masahiro; Kita, Jun; Kubo, Nobuo; Kumazawa, Hirobumi; Tomoda, Koichi; Yamashita, Toshio

doi:10.5631/jibirin.88.1439

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“…Anecdotal reports in which MALT lymphomas develop metachronously in the same or different organs have been reported to date. 3 – 9 In the present case, a focal resection was performed for MALT lymphoma developed metachronously and ectopically in the rectum 3 years after a total gastrectomy for gastric MALT lymphoma followed by 2 courses of adjuvant chemotherapy. MALT lymphomas developed repeatedly in the rectal lesion, however, these were focally resected repeatedly and no recurrence has occurred over the past two years.…”

Section: Introductionmentioning

confidence: 83%

“…Metachronous MALT lymphoma cases (including the cases with metachronous development of MALT lymphoma and other lymphoma types) are very rare. A literature search of Japana Centra Revuo Medicina identified only 3 cases 7 – 9 of metachronous MALT lymphomas (Key words: MALT lymphoma, metachronous, case reports excluding the minutes of oral presentations, retrieval period: 1983–2008) and a search of MEDLINE found only 4 cases 3 – 6 of metachronous MALT lymphomas (Key words: MALT lymphoma, metachronous). No cases of MALT lymphomas that develop metachronously and ectopically in gastric and rectal lesions have been reported and this present case seems to be the first reported to date.…”

Section: Discussionmentioning

confidence: 99%

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Successful treatment of mucosa-associated lymphoid tissue lymphoma in a patient with gastric and rectal lesions with metachronous and ectopic development

et al. 2011

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A 75-year-old female, who had an abnormal stomach x-ray finding, was admitted to the hospital for further examination and therapy. Upper GI endoscopy showed reddish and swollen folds on the greater curvature of the gastric body and a biopsy was of this lesion revealed malignant lymphoma (small cell type or mucosa-associated lymphoid tissue (MALT) lymphoma suspected). The patient was infected with Helicobacter pylori (H. pylori), however, in response to the patient's wishes, a total gastrectomy, omentectomy and splenectomy were performed and the histological diagnosis was gastric MALT lymphoma. Two courses of CHOP therapy (cyclophosphamide (CPM) 750 mg/m2/day, day 1, adriamycin (ADM) 50 mg/m2/day, day 1, vincristine sulfate (VCR) 1.4 mg/m2/day, day 1, prednisolone 100 mg/body, day 1–5) were administered as adjuvant chemotherapy. A colonoscopic examination performed about 4.5 yr after the operation revealed rectal submucosal tumors and the biopsied specimens were diagnosed as malignant lymphoma. A transanal focal resection was performed and the histological diagnosis was metachronous and ectopic development of MALT lymphoma. The histological finding was similar to the gastric lesion. About 4 and 7 yr after the first development of rectal MALT lymphoma, MALT lymphomas developed repeatedly in the rectal lesion, however, these were resected repeatedly and no developmenthas occurred during the past two years. This report presents a very rare case of metachronous and ectopic MALT lymphoma development in the gastric and rectal lesions.

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Section: Introductionmentioning

confidence: 83%