Types of CTCL
 
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Understanding CTCL

Is CTCL a type of skin cancer?
No. CTCL is a type of blood cancer that affects certain kinds of white blood cells, called T-lymphocytes.

CTCL is in the lymphoma family and involves the skin. In a small number of people, CTCL may spread to the blood, the lymph nodes, and other internal organs.

CTCL is rare. Only about 1,500 new cases of CTCL are reported in the
United States each year. The cause is not known. CTCL is more common among men than women. People older than 50 years are more likely to develop CTCL than younger people.

Types of CTCL
The 2 main types of CTCL are mycosis fungoides (my-KOE-sis fung-GOY-deez) and Sézary (SAY-zah-ree) syndrome.

  • Mycosis fungoides mainly affects the skin. It can spread to the blood, lymph nodes, and other internal organs in about 1 of 10 people.
  • In Sézary syndrome, cancerous T-lymphocytes are found in both the skin and the blood.
Next: Symptoms of CTCL »
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