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BMC Neurology
Published in: BMC Neurology 1/2022

Open Access 01-12-2022 | Hydrocephalus | Case report

Spontaneous regression of colloid cyst on the third ventricle: a case report with the review of the literature

Authors: Joo-Hwan Lee, Jong-Hwan Hong, Yeong Jin Kim, Kyung-Sub Moon

Published in: BMC Neurology | Issue 1/2022

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Abstract

Background

Colloid cyst (CC) is a rare and benign cyst found in the third ventricle near the foramen of Monro. Although the role of surgical resection is well established in symptomatic large-sized CC, it remains debatable whether surgical removal of CC with no symptoms or minimal symptoms is necessary.

Case presentation

A 49-year-old male patient visited our institute for incidentally detected intracranial mass. MRI demonstrated typical, 12 mm-sized CC located in the third ventricle. It was noticed that the cyst spontaneously decreased in size from 12 mm to 4 mm on MRI at 18 months after the first visit.

Conclusion

Although spontaneous regression is a very rare phenomenon in CC, regular imaging study and frequent neurologic examination can be an alternative option for well-selected, asymptomatic cases.
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Metadata
Title
Spontaneous regression of colloid cyst on the third ventricle: a case report with the review of the literature
Authors
Joo-Hwan Lee
Jong-Hwan Hong
Yeong Jin Kim
Kyung-Sub Moon
Publication date
01-12-2022
Publisher
BioMed Central
Published in
BMC Neurology / Issue 1/2022
Electronic ISSN: 1471-2377
DOI
https://doi.org/10.1186/s12883-022-02933-6

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