T-cell lymphomas and leukemias of post-thymic differentiation.

This article describes the heterogeneity of post-thymic T-cell malignancies and correlates specific clinicopathologic entities with morphology and immunophenotype. Peripheral T-cell lymphomas are subclassified into six main histologic types with different prognoses. Special attention is given to the theme of proposed origin and spread of T-cell malignancies.