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[Primary lymphoid sarcomas of the stomach. Ten cases (author's transl)].

These sarcomas fall within a precise definition and must be differentiated from gastrointestinal involvement in a haematological disorder. For certain histological forms (nodular forms), the prognosis is less bad than that of carcinomas. Pre-operative diagnosis, often difficult, must be established by large biopsies. The best results are likely to result from a combination of surgery and radiotherapy or of surgery and chemotherapy.