High Grade B-Cell Lymphoma, Not Otherwise Specified

**Semantic type:** Neoplastic Process

**Definition:** High-grade B-cell lymphoma with blastoid features or features between diffuse large B-cell lymphoma and Burkitt lymphoma that lacks MYC, BCL2, and BCL6 gene rearrangements.

**Synonyms:** - B-Cell Lymphoma, Unclassifiable, with Features Intermediate between Diffuse Large B-Cell Lymphoma and Burkitt Lymphoma - B-cell lymphoma, unclassifiable, with features intermediate between diffuse large B-cell lymphoma and Burkitt lymphoma - BCLU - HGBL, NOS - High Grade B-Cell Lymphoma, NOS - High-Grade B-Cell Lymphoma, NOS - High-Grade B-Cell Lymphoma, Not Otherwise Specified