Gastric lymphoma versus pseudolymphoma: the importance of immunological differentiation.
Two cases are presented demonstrating that the differentiation of gastric pseudolymphoma from lymphoma often cannot be made solely on the basis of the clinical, radiological, endoscopic, or even pathological picture but may be resolved by immunohistological staining for lymphocyte markers.
D000328:Adult; D001402:B-Lymphocytes / Q000473:pathology; D002908:Chronic Disease; D003937:Diagnosis, Differential; D005260:Female; D005756:Gastritis / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D006965:Hyperplasia; D007124:Immunoenzyme Techniques; D008221:Lymphoid Tissue / Q000473:pathology*; D008223:Lymphoma / Q000175:diagnosis* / Q000276:immunology / Q000473:pathology; D008297:Male; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000175:diagnosis* / Q000276:immunology / Q000473:pathology; D013276:Stomach Ulcer / Q000150:complications / Q000473:pathology / Q000628:therapy