Verywell Health on MSN11mon
Cyst vs. Tumor: What Are the Differences?
A cyst is a saclike pocket of tissue containing air, pus, fluid, or other materials. They are usually benign (noncancerous) ...
The skin cells form the walls of the cyst and they secrete the protein keratin, a yellow substance, into the center. Your skin may be prompted to do this by a damaged hair follicle or oil gland[1].
While whitehead pimples sit on the surface of the skin (which, though unsightly, means they’re easier to treat and conceal), cysts can linger under the surface of the skin like oil-filled ...
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