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  • Title: Gastroduodenal involvement in staging of nodal non-Hodgkin lymphomas: a clinical and endoscopic prospective study of 235 patients.
    Author: Valentini M, Bortoluzzi F, Cannizzaro R, Zagonel V, Babare R, Carbone A, Sozzi M, Fornasarig M, Poletti M.
    Journal: Am J Gastroenterol; 1995 Nov; 90(11):1959-61. PubMed ID: 7484999.
    Abstract:
    OBJECTIVES: The gastrointestinal tract is often the site of involvement of non-Hodgkin lymphomas (NHL). The aim of this endoscopic prospective study was to verify the prevalence of the gastroduodenal involvement in patients in staging for NHL and to assess its impact on the choice of therapeutic strategies. METHODS: Two hundred and thirty-five consecutive patients were included in the study. Upper gastrointestinal endoscopy was performed, and biopsy samples were taken on every mucosal lesion and on macroscopically illness-free duodenal and gastric mucosa. The samples were submitted to histological examination, and the clinical stage of NHL was reevaluated. RESULTS: Sixty-one of the 235 patients exhibited histological involvement of gastric (40), duodenal (7), or both (14) mucosae. Endoscopic lesions were recorded in 51 patients, but the involved mucosa appeared macroscopically normal in 10 patients (16.3%). In 13 patients, the gastroduodenal involvement modified the clinical stage from I and II to III, indicating a different therapeutic approach. No difference was detected in the frequency of gastrointestinal involvement among the high, intermediate, and low grades of lymphoma malignancies. Thirty-five positive patients underwent a further endoscopic examination after the chemotherapy treatment. Although clinical remission was expected in all cases, 42.8% of them subsequently exhibited NHL. CONCLUSIONS: Upper digestive endoscopy plus biopsy sampling plays a necessary diagnostic role, not only when major clinical signs (hemorrhage) are present, but also in earlier stages of NHL (I and II), when a reevaluation of the therapeutic strategy may be indicated. In stages III and IV of illness, it may also prove useful in evaluating the efficacy of chemotherapy.
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