Freckles and sebaceous filaments can both look like brown or dark spots on your skin, but they have very different causes and characteristics. Your skin can develop a variety of lumps, bumps, and ...

Medicare covers sebaceous cyst removal when medically necessary. This includes cases where the cyst causes bleeding or pain, shows signs of inflammation or infection, or has recently gotten larger.

That stubborn blackhead may actually be a sebaceous filament. Fact checked by Isaac Winter Medically reviewed by Hadley King, ...

When you watch as many Dr. Pimple Popper videos as I do, you get to learn that no two cysts are the same: Some are hard, some are make-you-want-to-vomit gushy, and some are a bizarre mix of the two.

Medically reviewed by Susan Bard, MD Boils are painful, pus-filled, and are caused by infections like Staphylococcus ...