[Gastric lymphoma as a cause of massive bleeding in a patient with Castleman's disease].

Primary lymphomas of the stomach belong to rare gastrointestinal malignancies. In their etiology very often play role infections caused by Helicobacter pylori. Rare cause of these tumors can be systemic immunopatological disease connected with the immunodeficiency. Authors in their contribution refer about the patient with the gastric lymphoma, in which was Castleman's disease diagnosed by the lymph-nodes biopsy. The patient was hospitalized with massive bleeding from gastric ulcers, which was treated by urgent surgical therapy. The final histological diagnosis was aggressive B-NHL of the stomach.