Cysts (overview)
- Reviewed by Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
What is a cyst?
Cysts are sacs or capsules that form in the skin or inside the body. They may contain fluid or semisolid material. Although cysts can appear anywhere in the body, most frequently they live in the skin, ovaries, breasts or kidneys. Most cysts are not cancerous.
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About the Reviewer
Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
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