MISSOULA, Mont. — Sebaceous gland tumors are benign “warty” like growths that occur on the skin in older dogs and sometimes in older cats. While they can be similar in appearance, these are different ...

Q. I have a cyst in my left upper back. It grows with time, there is a black spot in the center, and the outer surface is yellowish in color. It is smooth to touch and about half an inch in size. I am ...

This patient had sebaceous hyperplasia, a benign proliferation of the sebaceous gland that occurs in a periorbital location on patients of middle age or older. The condition is characterized by small, ...

Your skin produces sebum, which can be waxy or oily. Sebum production can contribute to acne, but it also moisturizes and offers protection for your skin. Sebum is an oily, waxy substance produced by ...