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  • Title: Primary gastric lymphoma: a clinicopathologic study.
    Author: Zeid MA, Elbedewy AF, Awad I.
    Journal: Hepatogastroenterology; 2005; 52(62):649-53. PubMed ID: 15816497.
    Abstract:
    BACKGROUND/AIMS: This study aims to define the clinicopathologic criteria of primary gastric lymphoma in view of MALT concept and to present the outcome after different treatment modalities. METHODOLOGY: Seventy-six cases of primary gastric lymphoma treated between January 1980 and December 2001 were reviewed. All tissue specimens (endoscopic or surgically resected) were re-examined. Tumors were staged according to Ann Arbor staging system and the Musshoff modification (IE in 30.3%, IIE in 39.4% and IIIE in 30.3%). Sixty patients underwent gastrectomy (partial or total) with postoperative chemotherapy for 32 patients. Sixteen patients were treated by chemotherapy only. The mean follow-up period was 15 years (range, 6 months to 21 years). RESULTS: Primary gastric lymphoma represented 69.1% of cases of gastrointestinal lymphoma and 16.2% of all gastric malignancy. The mean age was 45 years and male to female ratio was 2.3:1. Epigastric pain was the commonest symptom (in 88.2%). Ulcer-like lesions were the commonest (65.8%) and the most commonly involved site was the lower third (48.7%). The resectability rate was 80%. The operative mortality rate was 2.7%. Another 2 cases died after partial gastrectomy and chemotherapy. Four cases in the chemotherapy group (25%) died. Tumor recurrence occurred in 4 cases (out of 32) after gastrectomy and chemotherapy (12.5%), 2 of them died and 2 were cured by chemotherapy. The mean overall survival was 18.49 years, survival was 20.28 years after gastrectomy, 15.48 years after gastrectomy with chemotherapy and 5.76 years after chemotherapy (p=0.0056). CONCLUSIONS: Primary gastric lymphoma is not an uncommon tumor. Gastritis-like lesions are rare. If the tumor is resectable, gastrectomy will provide the most accurate means of diagnosis, staging and locoregional control of the disease.
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