Background: New variants of cutaneous lymphoma other than mycosis fungoides and Sezary syndrome continue to be described.
Objective: A practical classification of cutaneous lymphomas is presented with detailed discussions of angiocentric T cell lymphoma, subcutaneous T cell lymphoma, and malignant angioendotheliomatosis.
Methods: The recent pertinent medical literature relating to unusual cutaneous lymphomas is reviewed.
Results/conclusion: The utilization of immunohistochemistry in the dermatopathology laboratory has greatly enhanced the ability to recognize and categorize cutaneous lymphoma. Some illnesses previously believed to be non-neoplastic diseases are malignant lymphomas.