Cutaneous T-cell lymphoma (CTCL) is rare. It is not contagious or inherited. Its cause is unknown, but Mayo researchers continue to study the origin of lymphoma.
In CTCL, certain cells of the lymph system (T-lymphocytes) become cancerous and affect the skin. People with CTCL can have many different symptoms. In the early stages, the skin may itch and develop dry, pink or red patches. Later, skin tumors may develop, and skin may become infected or develop sores.
There are two main types of CTCL: