Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** This type of lymphoma is not frequently seen in the western hemisphere. Clinically, with the exception of anaplastic large cell lymphoma, mature T- and NK-cell lymphomas are among the most aggressive of all hematopoietic neoplasms. Representative disease entities include mycosis fungoides, angioimmunoblastic T-cell lymphoma, hepatosplenic T-cell lymphoma, and anaplastic large cell lymphoma.

**Synonyms:** - Mature T- and NK-Cell Lymphomas - Mature T-Cell Non-Hodgkin's Lymphoma - Mature T-Cell and NK-Cell Lymphoma - Mature T-Cell and NK-Cell Non-Hodgkin's Lymphoma - Mature T-and NK-Cell Lymphoma - Mature T/NK-cell lymphomas, unspecified, unspecified site - PTCL - Peripheral T-Cell Lymphoma - mature T-cell lymphoma - peripheral T-cell lymphoma