B-cell clonality: Recurrent lymphoma?
Clinical History and Pathological Findings An elderly woman presented with mild anemia and was found to have a positive fecal occult blood test and a positive serum anti-H. pylori IgG antibody test. Endoscopy was performed, and several superficial gastric and duodenal ulcers were biopsied. B-cell IgH PCR revealed a clonal B-cell population, and the diagnosis [...]