摘要：

Background. There is a discrepancy between the incidence of gastrointestinal involvement by malignant lymphomas, as established in postmortem studies, and the rareness of the corresponding clinical diagnosis.Methods. Therefore, the authors performed routine upper gastrointestinal endoscopic examination, within the framework of the usual staging examinations, in 103 consecutive patients with newly diagnosed Hodgkin disease (n = 21) and non-Hodgkin lymphoma (n = 82).Results. One patient with Hodgkin disease (4.8%), 11 of 40 patients (27.5%) with non-Hodgkin lymphoma of low-grade malignancy, and 11 of 42 (26.2%) of those with highly malignant non-Hodgkin lymphoma showed involvement of the gastric and/or duodenal mucosa, as diagnosed with esophagogastroduodenoscopy. Of the 22 patients with non-Hodgkin lymphoma, 9 had involvement of other mucosa-associated lymphoid or epithelial tissue. In two patients with Stage III, two with Stage II, and two patients with presumptive Stage I disease, the disease was reclassified as Stage IV. Because of gastrointestinal involvement, treatment for two patients was changed from radiation therapy to chemotherapy and another two patients had gastric resections so that possible treatment-related complications could be avoided.Conclusions. In light of these results and the fact that a major basis for the therapeutic strategy for malignant lymphomas is tumor stage, routine esophagogastroduodenoscopic examination within the framework of the usual staging examinations is recommended. In individual cases, this procedure may be of decisive importance in the therapeutic approach to and prevention of complications.

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