Fact Sheets

Lichen Sclerosus
Lichen sclerosus is a rare skin disease that causes itchy and painful patches of thin, white, wrinkled-looking skin. Learn about symptoms and treatment.
Melanocytic Nevi (Moles)
Melanocytic nevus is the medical term for moles. They can develop on any part of the body and in most cases, they don't require treatment.
Cutaneous T-cell Lymphoma
Cutaneous T-cell lymphoma (CTCL) is a rare form of lymphoma that can affect the skin, blood, lymph system, and internal organs. Learn about symptoms and treatment.
Ringworm (Tinea)
A fungal infection that can affect the skin, fingernails, toenails, and/or hair.
Skin Cancer
A disease caused by ultraviolet light that comes from the sun’s rays.
Squamous Cell Carcinoma
Squamous cell carcinoma is a cancer in the middle and outer skin layers caused by ultraviolet (UV) exposure. Learn about symptoms and treatment.
Allergic Contact Dermatitis
Allergic contact dermatitis is the skin's reaction to an irritant—anything from poison ivy to certain fabrics can cause your skin to flare. Learn about symptoms and treatment.
Scleroderma
An autoimmune disease in which the skin becomes thickened and hardened. It can also affect internal organs.
Rosacea
Rosacea is a chronic, inflammatory skin condition that causes red patches and/or bumps on the face, often on the nose, cheeks, or chin.
Dermatitis herpetiformis
Dermatitis herpetiformis is an autoimmune disease triggered by eating gluten. Learn about symptoms and treatment.