Butterfly-shaped pigment dystrophy is a rare, inherited macular condition in which pigment and waste material (mainly lipofuscin) build up in the retinal pigment epithelium (RPE) in a pattern that ...
Bullous pemphigoid is an autoimmune skin disease. “Autoimmune” means the body’s defense system makes antibodies that attack its own skin. In bullous pemphigoid, these antibodies attack the basement ...
Bullous impetigo is a fast-spreading bacterial skin infection that makes large, fragile blisters filled with clear or yellow fluid. These blisters break easily and leave moist, shiny skin that soon ...
Brooke–Spiegler syndrome is a rare inherited condition that causes many small skin tumors to grow over time, most often on the scalp, face, and neck. These tumors start from the skin’s “appendages” ...
Bowenoid papulosis is a skin condition caused by infection with human papillomavirus (HPV), most often a high-risk type such as HPV-16. It shows up as one or more small, flat or slightly raised, ...
Bowen disease is an early skin cancer that stays in the top layer of the skin (the epidermis). Doctors also call it squamous cell carcinoma in situ (SCC in situ) or intraepidermal carcinoma. “In ...
Early-onset sarcoidosis (EOS) is a rare inflammatory disease that begins in early childhood. It causes the immune system to form tiny clumps of inflammatory cells called non-caseating granulomas. ...
Arthro-cutaneo-uveal granulomatosis is a rare, inherited inflammatory disease that starts in early childhood. It mostly affects three places in the body: the joints (arthro-), the skin (cutaneo-), ...
Acrochordons, also called skin tags, are very common, soft, harmless little growths that hang off the skin by a small “stalk.” They are usually the same color as your skin, or a bit darker. They feel ...
Scarring pemphigoid is an autoimmune blistering disease. Your immune system mistakenly attacks the “basement membrane zone,” which is the anchoring layer that holds the surface lining (epithelium) to ...
Mucous membrane pemphigoid (MMP) is a rare, long-lasting autoimmune blistering disease. Your immune system makes antibodies that attack the “basement membrane zone,” the thin layer that anchors the ...
Mucosynechial pemphigoid (more commonly called mucous membrane pemphigoid, MMP; also known as cicatricial pemphigoid and ocular cicatricial pemphigoid). It is a long-term autoimmune disease in which ...
Mucosynechia atrophic bullous dermatitis that phrase is considered an old synonym for mucous membrane pemphigoid (MMP), also called cicatricial pemphigoid—a rare autoimmune blistering disease that ...
Pigmentary hairy epidermal nevus is a birthmark or patch on the skin that looks darker than the surrounding skin and grows more hair than usual. Doctors use the word epidermal nevus for a patch made ...
Becker nevus syndrome (BNS) is a condition where a person has a Becker nevus on the skin and, on the same side of the body, also has under-development of nearby tissues. These tissues can include the ...
Basan–Baird syndrome is a very rare genetic skin condition present from birth. Babies are born with no fingerprints or toeprints (a finding called adermatoglyphia). In the first days or weeks of ...
