A cyst is an abnormal fluid filled structure which is lined by epithelium. This distinguishes it from a pseudocyst with lacks an epithelial lining and instead has a vascular and fibrotic capsule

Cysts are extremely common and found in many organs. Examples include:

Multiple cysts can also be encountered as part of underlying genetic syndromes such as:

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rID: 6940
Synonyms or Alternate Spellings:

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