[Diagnosis of cutaneous lymphomas].

Diagnosis of cutaneous lymphoma is based on the clinical picture and the histology. Several, different clinical entities are the members of this group with various clinical and histological features, with different course and prognosis. The clinical picture resembles that of a wide variety of benign, inflammatory dermatosis. The histological characteristics in the early lesions are not pathognomic, therefore immunohistochemistry and gene rearrangement studies are necessary to establish the diagnosis. These processes are evaluated in the article.