Or more specifically, seborrheic dermatitis, which is considered ... In very rare cases, an itchy scalp can be a sign of lymphoma, Dr. Haley says, specifically, a form called “Cutaneous T ...

Mycosis fungoides (MF), a type of cutaneous T-cell lymphoma primarily seen in adults ... and he had never experienced contact dermatitis before this episode. Multiple clinics treated him for ...

Experts believe seborrheic dermatitis may relate to an overgrowth of Malassezia yeast on the scalp. Shampoos with antifungal agents like ketoconazole, selenium sulfide, and zinc pyrithione can help.