T-Zone Variant Peripheral T-Cell Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** An obsolete variant of peripheral T-cell lymphoma, not otherwise specified included in the 2008 WHO classification. These lymphomas usually have a T follicular helper (TFH) cell phenotype and have been moved to the category of angioimmunoblastic T-cell lymphoma and other nodal lymphomas of T follicular helper cell origin in the 2017 WHO update. (WHO 2017)

**Synonyms:** - T-Zone Lymphoma