Sebaceous glands Symmetrical cystic glandular disease (SGC) is a rare disease that involves the development of multiple tumors of the sebaceous and sweat glands in different areas of the body. This is a malignant neoplasm that can occur at any age, but is more common in women of childbearing age.
Sebaceous nevus most often occurs in the hair growth area, on the face, above the eyebrows, and scalp. Possible contact with hair follicles. There are two groups of sebaceous nevi:
1) Papillomastoid sebaceous nevi, which often appear on the eyelids, vulva, breast, nipple, neck, thigh, knee, anus, front of the thighs, etc. The main symptoms are the presence of a leaky eye or a bruised eyelid; 2) Giant simple sebaceous nevi. Typical for older people