A cyst is a saclike structure in the body. Cysts usually are filled with fluid, which may be blood, clear fluid, or pus.
A cyst can be normal, abnormal, or, in rare cases, cancerous. In some cases, a cyst may be drained either with a needle or by cutting it open, or it may be removed entirely.
Author:Jeannette Curtis
Caroline Rea, RN, BS, MS
Caroline Rea, RN, BS, MS
Medical Review:Patrice Burgess, MD - Family Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Last Updated: 05/25/2007
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