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Chinese Journal of Digestion ; (12): 472-475, 2008.
Article de Chinois | WPRIM | ID: wpr-382074

RÉSUMÉ

Objective To investigate the clinical characteristics of primary gastrointestinal lymphoma (PGIL) on different origin site in order to improve its diagnosis.Methods The clinical data from 202 patients with PGIL diagnosed by histology from January 1999 to June 2007 were identified from the clinical databases of 8 hospitals in Wuhan area and retrospectively analyzed.The patients were divided into gastric,small intestinal and large intestinal lymphoma groups according to the site of origin and there clinical characteristics were compared.Results The PGIL localization was gastric in 113 (56.0%) cases, small intestine in 37(18.3%) cases and large intestine in 52 (25.7%) cases.One hundred and thirty (64.4%) were males and 72 (35.6%) were females.The male patients were predominant.The median duration of symptoms in gastric lymphoma group was longer than small intestinal lymphoma group (3.0 months vs.1.0 month,P=0.013).The most common symptoms were abdominal pain and anemia. The clinical stage was Ⅰ E and Ⅱ E in 71.3% of cases.The large intestinal lymphoma group presented more advanced-stage disease compared with gastric lymphoma group (P = 0.014).The frequent histological type was mucosa-associated lymphoid tissue lymphoma (MALT),diffuse large B-cell lymphoma and T-cell lymphoma.Gastric,small intestinal and large intestinal lymphomas presented more frequently as low-grade MALT lymphoma (56.9%),T-cell lymphoma (34.4%) and high-grade B-cell lymphoma (51.1%),respectively (all P value <0.05).The common macroscopic type of PGIL were nodular protruding and ulcerative type.Compared with gastric lymphoma,nodular protruding type was more common and ulcerative type was less common in large intestinal lymphoma (P = 0.000).The diagnosis confirmed by endoscopic biopsy were 58.7% (61/104),25.0% (4/16),48.2% (13/27) in gastric,small intestinal and large intestinal lymphoma groups,respectively.Conclusions The clinical characteristics are different in patients with different localization of PGIL including patient characters, initial symptoms,histological classification,clinical stage,macroscopic feature,endoscopic findings. Analysis of these clinical characteristics is helpful to improve its diagnosis.

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