Thornwaldt cyst

Case contributed by A.Prof Frank Gaillard


Incidental finding on routine brain MRI.


Midline nasopharyngeal cyst of homogeneous high T2 signal was incidentally found on MRI brain. It is well circumscribed, embedded within nasopharyngeal mucosa between prevertebral muscles.

Case Discussion

Thornwaldt cysts are benign developmental nasopharyngeal cysts covered by mucosa anteriorly and bounded by longus muscles posteriorly. They range from a few mm to 2-3cm in diameter. Usually incidental finding on MR and rarely has any clinical significance.

Case courtesy of : Dr Ahmed Haroun

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Case information

rID: 9760
Published: 21st May 2010
Last edited: 20th Jun 2018
System: Head & Neck
Inclusion in quiz mode: Excluded

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