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 ...

A 77-year-old Caucasian man presents with an epidermoid cyst on his scalp, in the left parietal area. He tells you he has had the cyst for many years and it always seemed to remain the same. He is ...

Sebaceous cysts are benign, fluid-filled bumps beneath the skin. Although some people seek sebaceous cyst removal for cosmetic purposes, the lesions do not typically cause health problems or require ...

Cysts are lumps that can affect the earlobe when skin cells form in the innermost layer of the skin instead of shedding. These are epidermoid cysts. In rare cases, they can become cancerous. Earlobe ...