Sebaceous cysts can be found on your entire body (except the palms of your hands and the soles of your feet). When squeezed, the punctum (a small dome-shaped projection) will appear. Through that opening, the fluid (sebum) inside may be squeezed out. Sebaceous cysts are usually harmless.

What is the difference between epidermal and epidermoid cyst?

The term epidermal inclusion cyst refers specifically to an epidermoid cyst that is the result of the implantation of epidermal elements in the dermis. Because most lesions originate from the follicular infundibulum, the more general term epidermoid cyst is favored.

What is an encapsulated cyst?

Epidermoid cyst, also known as a sebaceous cyst, is a benign encapsulated, subepidermal nodule filled with keratin material. Although most commonly located on the face, neck, and trunk, epidermoid cysts can be found anywhere including the scrotum, genitalia, fingers, and cases within the buccal mucosa.