EBV-Positive Polymorphic B-Cell Lymphoproliferative Disorder, Not Otherwise Specified

**Semantic type:** Neoplastic Process

**Definition:** An EBV-positive B-cell lymphoproliferative disorder characterized by altered tissue architecture and a polymorphic infiltrate that does not fulfill the criteria for the diagnosis of lymphoma and cannot be precisely categorized.

**Synonyms:** - EBV-Positive Polymorphic B-Cell Lymphoproliferative Disorder, NOS - Epstein-Barr Virus-Positive Polymorphic B-Cell Lymphoproliferative Disorder, NOS - Epstein-Barr Virus-Positive Polymorphic B-Cell Lymphoproliferative Disorder, Not Otherwise Specified