An epidermal inclusion cyst — also known as an epidermoid cyst, infundibular cyst, keratin cyst, or inclusion cyst — is the most common type of cutaneous cyst. Patients present with a nodule that is ...

An epidermoid cyst is a lump under the skin. Epidermoid cysts usually do not require treatment, unless a person wants to have them removed due to cosmetic reasons, or if the cyst becomes infected.

What causes an inclusion cyst to come to a head and rupture, and what effect does this have?—JUDIE HARTLEY, CRNP, BSN, Warren, Ohio An epidermal inclusion cyst or epidermoid cyst is lined with ...

In Dr. Pimple Popper's new Instagram video, she helped a patient with a giant, cyst on his upper back. The epidermoid cyst stuck out and was hard to miss. Dr. Pimple Popper sliced it open and squeezed ...