Epitelioma adenoid cystic

Epitelioma adenoid cystic (Epithelioma adenoides cysticum, synonym: acanthoma adenoides cysticum, trichoepithelioma papillosum multiplex), a benign tumor of the skin, growing from the rudiments of the hair follicles, the type of organ nevus. Some authors identify it with sebaceous adenoma. Often affects women after puberty; sometimes the rash appears in childhood and in old age. Often adenoid cystic epitheliomas sick families, as it is transmitted as a dominant trait. Described blend it with cilindrului.
Histologically: clearly distinguished Horny cysts; the bottom of them consists of one series basal cells. Between cysts - Islands or bands from basal cells similar to sweat canals, the basal cell epithelioma or wisps of hair follicles. The cysts may be salt deposits of lime, and around - inflammatory reaction with giant cells.
Sometimes a single tumor, the size of a hazelnut, but more often multiple, size lentils or a pinhead to pea, hemispherical or conical, painless, plotnosti, color or normal skin, or slightly yellowish, slightly bluish, sometimes with telangiectasia on the surface of the thinning of the veil or whitish elements of type whiteheads. Tumors are scattered randomly, sometimes grouped even merge. The most frequent localization - face (nose, forehead, chin, cheeks, eyelids), ear, rarely scalp, as an exception to the upper torso, abdomen and extremities. The development is very slow, long. Sometimes the tumor izyaslau, rarely reborn in the basal cell epithelioma. When recognizing mean hidradenoma (see), soft wart, chrometisil nevus (it denser, there will be hair), xanthelasma century, spinocellular epithelioma. In doubtful cases shown biopsy. Treatment: freezing snow carbonic acid, surgical removal, especially when the first signs of rebirth, diathermocoagulation.