Extensive cutaneous lymphoma.

The case of a 35-years-old patient with a progressive and densely developed subcutaneous tumour comprising the whole right cervical and subcutaneous region is presented. The tumour was painless of pale brown and light red colour, with no adherence on the epidermis and subjacent muscles. The patient has no pathological symptoms. After the histopathological examination we found the dermal infiltration with small, round or oval hyperchromatic cells and the histoenzymological investigation revealed intense positive markers CLA and MB2 pleading for their leukocytic nature while L26 reaction attested the B-cell nature of these lymphocytes and the diagnosis of polymorphous centroblastic malignant lymphoma (K type Working Classification).