Abstract
Background
Colloid cysts are benign tumors usually located on the roof of the third ventricle. Cyst removal is the treatment of choice. It can be accomplished microsurgically through a transcortical- or transcallosal approach, or endoscopically. There is a lack of consensus regarding the best strategy for cyst removal. One of the challenges of the traditional endoscopic technique is dealing with the cyst content density. Hyperdensity on computed tomography scan and low signal on T2-weighted magnetic resonance imaging (MRI) cyst are correlated with high viscosity cystic content.
Case reports
We present a case of a colloid cyst of the third ventricle in a 15-year-old boy removed through a pure endoscopic transventricular approach. The cyst presented a low signal on T2 MRI; nevertheless, it was easily removed with the help of an endoscopic ultrasonic aspirator.
Discussion and conclusion
The colloid cyst of the third ventricle can be safely treated by a purely endoscopic approach. The rationale of the use of the ultrasonic aspirator relies on the facilitation of aspiration of the content even when the consistency is extremely firm.
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Primary surgeon: Spennato; assistant surgeon/supervisor: Cinalli G.; editing and drafting the video and manuscript: Spennato, Cinalli MA, Di Costanzo, Ruggiero, Di Martino; critically revising the work: Cinalli G., Spennato; approved the final version of the work on behalf of all authors: Spennato; supervision: Cinalli G. All authors reviewed the manuscript.
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All procedures performed in the studies involving human participants conformed to the ethical standards of the institutional and/or national research committee and the 1964 Declaration of Helsinki and its subsequent amendments or comparable ethical standards. Written informed consent was obtained from the parents for publication of the details of the medical case and associated images. Because this was a retrospective case report and all procedures performed were part of routine care, the study was exempt from ethical approval by the Institutional Review Board.
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Spennato, P., Cinalli, M.A., Di Costanzo, M. et al. Endoscopic ultrasonic aspirator–assisted removal of a third ventricular colloid cyst. Childs Nerv Syst 39, 3391–3395 (2023). https://doi.org/10.1007/s00381-023-05994-1
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DOI: https://doi.org/10.1007/s00381-023-05994-1