A clinicopathologic study of node-based, low-grade, peripheral T-cell lymphoma. Angioimmunoblastic lymphoma, T-zone lymphoma, and lymphoepithelioid lymphoma

Postthymic (peripheral) T-cell malignancy shows marked diversity in histopathologic appearances as well as in clinical and prognostic aspects. Histologic findings and clinical behavior of 110 cases of the three specific types of low-grade, peripheral T-cell lymphomas, i.e., lymphoepithelioid (LeL), angioimmunoblastic (AILD), and T-zone (TzL) lymphomas, were studied. There were 74 men and 36 women (age range, 24 to 90 years; median, 58)....