Epidermoid and dermoid cysts constitute the common benign masses that involve the skin. They are classified as epidermoid cyst when the lining contains only squamous epithelium, “true” dermoid cysts ...

Colleen Murphy is a senior editor at Health. She has extensive experience with interviewing healthcare providers, deciphering medical research, and writing and editing health articles in an ...

Rochelle Collins, DO, is a board-certified family medicine physician and assistant clinical professor of family medicine at Quinnipiac University. Discharge from your belly button might be a sign of ...

I had one removed from my head when I was about eight-years-old and didn't have another until two years ago. Now I have three that have come up on my head beneath my hair.