Marsupialisation
Pronunciation: mar-SOO-pee-uh-lih-ZAY-shun
A surgical procedure in which a large cyst is opened and its walls are sutured to the surrounding mucosa to create a permanent opening, allowing gradual decompression.
Full Definition
Marsupialisation is a conservative surgical technique used as an alternative to complete enucleation, particularly for large odontogenic cysts where full removal would risk damage to adjacent vital structures such as the inferior alveolar nerve or tooth roots. A window is excised in the cyst wall, the contents are drained, and the cyst lining is sutured to the oral mucosa to maintain patency. The resulting pouch (analogous to a marsupial's pouch, hence the name) undergoes gradual reduction in size over months. Editors should note the British spelling 'marsupialisation' versus the American 'marsupialization'; house style should be applied consistently.
Usage
Usage note: British spelling uses '-isation'; American spelling uses '-ization'. Apply house style consistently throughout a document. Do not hyphenate.
In Context
- "Given the proximity of the cyst to the inferior alveolar canal, marsupialisation was selected over enucleation to reduce the risk of nerve damage." — Operative note
- "The patient returned for review six months after marsupialisation, and the residual cystic cavity had reduced significantly in volume." — Clinical follow-up letter