Pathology of cutaneous T-cell lymphoma.

Clinical features as well as histomorphology and cytomorphology are the golden standard for the differentiation of the various nosologic entities of cutaneous lymphomas, consisting of pre-lymphomas and pseudolymphomas, abortive lymphoma, latent lymphoma, definite low grade malignant lymphoma, and high grade malignant lymphoma. Histomorphologic and cytomorphologic criteria allow additional subtyping of lymphoproliferative T-cell infiltrates of the skin.