🦠microbiology review

Pseudocyst

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

A pseudocyst is a fluid-filled cavity that lacks an epithelial lining and often forms in response to infection or trauma. It can occur in various tissues, including the skin.

5 Must Know Facts For Your Next Test

  1. Pseudocysts differ from true cysts because they lack an epithelial cell lining.
  2. They can form as a result of infections, particularly those caused by bacterial or fungal pathogens.
  3. In the context of skin infections, pseudocysts may develop due to abscess formation.
  4. Treatment typically involves drainage and addressing the underlying infection.
  5. Pseudocysts can also be identified using imaging techniques such as ultrasound or CT scans.

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