Acta Med. 2024, 67: 91-95

https://doi.org/10.14712/18059694.2025.4

Colloid Cyst of the Third Ventricle: A Case Report

Aleš Kopala, Jiří Preisb, Leoš Ungermannc, Edvard Ehlera, Ivana Štětkářovád

aNeurologic Department of Faculty of Health-Care Studies University, Pardubice, and Regional Hospital Pardubice, Czech Republic
bNeurosurgery Department of Faculty of Health-Care Studies University, Pardubice, and Regional Hospital Pardubice, Czech Republic
cRadiodiagnostic Department of Faculty of Health-Care Studies University, Pardubice, and Regional Hospital Pardubice, Czech Republic
dNeurologic Department of University Hospital Královské Vinohrady Prague and 3rd Medical Faculty Charles University, Czech Republic

Received December 11, 2024
Accepted August 27, 2024

Colloid cyst of the third ventricle (CC) represents approximately 1% of intracranial tumours and 20% of intraventricular tumours. CC usually occurs between 20 and 50 years of age. During the first decade of life, it is diagnosed very rarely (1–2%). It can be most commonly found in the anterior part of the third ventricle at the foramen of Monro (1). It is often visualised during the computed tomography (CT) examination as a hyperdense focal lesion, it has variable change of the signal during magnetic resonance imaging (MRI) (2). CC has a benign character, however, a strategic position which may lead to acute hydrocephalus, intracranial hypertension syndrome, consciousness disorder, and even sudden death. This peracute hydrocephalus is an indication to an acute neurosurgical procedure (3).

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