Duke dermatologists treat all forms of this rare cancer, including cutaneous T-cell lymphoma (CTCL). Cutaneous lymphoma, which begins in white blood cells called lymphocytes, causes a variety of skin changes, including a dry, scaly, itchy red rash as well as larger growths and tumors. Our dermatologists are recognized for their skill in diagnosing this condition and for testing new therapies and approaches to care. Our goal is to start treatment at the earliest stage possible to slow disease progression and improve your quality of life.