Pilosebaceous (pilosebocystomatosis; from lat. pilus - hair sebum - fat and Greek. kystis bubble) - multiple benign follicular subepidermal, rarely hypodermal, cysts of the sebaceous glands.
Pilosebaceous - the disease is rare. Oral cysts formed by one or several rows of polygon flattened epithelial cells and is surrounded by a thin connective tissue membrane rich elastic fibers. Cysts are associated with the balances and hair follicles. Sometimes follicular hyperkeratosis. Pilosebaceous - hereditary nevidna dysplasia, existing as a dominant trait with born or growing up to puberty, rarely later.
Clinical manifestation of pilosebaceous - translucent painless round or ovoid cyst size from a pinhead to hazelnut, soft and fluktuiruyushchimi, slightly further and often separated, normal skin color or slightly bluish, always multiple - from tens to thousands. They are more or less symmetrically, often groups on upper trunk, in the proximal limbs, less often on the scalp, and the scrotum. Some cysts in the centre you can see a little hole, from which squeezed dense (in a fresh cases) or liquid (old) content odourless, consisting of various fatty acids, mainly olein and palmitin with cholesterol crystals. Allocate a special kind of pilosebaceous (semiisolation), appearing in adults resulting seborrhea and accompanied comedo and polymorphic acne. In rare cases, the content of cysts can nagnaivatsya.
Recognition P. not difficult. Xanthoma differs orange, atheroma and kollikvativny acne have all transitional elements, starting with Comodo; syringoma, syringostatin and epidermoide differentiate histologically. The forecast is favorable.
Treatment: diathermocoagulation, injection into the cyst ether, xylene or mixtures thereof, surgical removal (necessarily with capsule).