Difference between True and Pseudo Cyst

Cyst: It is a pathological cavity containing fluid, semi fluid or gas, which is usually lined by epithelium and is not formed by accumulation of pus.

True Cyst: A fluid filled cavity which is lined by epithelium


  • Nasolabial duct cyst
  • Odontogenic cyst
  • Mucous cyst of the oral mucosa
  • Median Palatal Cyst
  • Glandular odontogenic cyst
  • Dentigerous cyst
  • Calcifying odontogenic cyst
  • Periapical cyst
  • Paradental cyst
  • Radicular cyst
  • Globulomaxillary Cyst

Pseudo Cyst: A fluid filled cavity which is not lined by epithelium.


  • Stafne’s cyst
  • Aneurysmal bone cyst
  • Hemorrhagic bone cyst / Traumatic bone cyst
  • Mucocele-Extravasation cyst

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