A chronic disorder of the pilosebaceous apparatus associated with an increase in sebum secretion. It is characterized by open comedones (blackheads), closed comedones (whiteheads), and pustular nodules. The cause is unknown, but heredity and age are predisposing factors. An inflammatory process of the sebaceous glands which is characterized by comedones, nodules, papules and/or pustules on the skin.
acneiform dermatitis
acrodermatitis +
acrogeria
acrokeratosis verruciformis
albinism-hearing loss syndrome
alopecia, isolated +
aplasia cutis congenita +
atopic eczema +
autoimmune bullous skin disease +
autosomal dominant vibratory urticaria
autosomal recessive cutis laxa type 2A +
Becker nevus syndrome +
blue rubber bleb nevus
body skin hyperlaxity due to vitamin K-dependent coagulation factor deficiency
CHILD syndrome
chorea-acanthocytosis
chronic mucocutaneous candidiasis +
CLOVES syndrome
combined immunodeficiency with skin granulomas
contact dermatitis +
Cowden disease +
cutaneous mastocytosis +
cutaneous vasculitis +
Darier disease
dermatitis herpetiformis, familial
dermatomyositis +
dermatosis papulosa nigra
DK1-congenital disorder of glycosylation
dyschromatosis universalis hereditaria +
ectodermal dysplasia syndrome +
encephalocraniocutaneous lipomatosis
epidermodysplasia verruciformis +
exfoliative dermatitis
familial acanthosis nigricans
familial acne inversa +
familial chilblain lupus +
familial cutaneous telangiectasia and oropharyngeal predisposition cancer syndrome