Colloid cyst of the third ventricle
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At the time the case was submitted for publication Shervin Sharifkashani had no recorded disclosures.View Shervin Sharifkashani's current disclosures
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A dense fluid well-defined homogenous cyst with axial width up to 12 x 10 mm in anterior superior margin of the third ventricle in the midline is seen which caused mild lateral cerebral ventricles dilation due to impression on both sides of the interventricular foramen of Monro.
The case illustrates the non-contrast MDCT features of the colloid cyst of the third ventricle. The cyst is usually asymptomatic and is incidentally found but can progressively enlarge and lead to hydrocephaly and headache. The MDCT feature is usually diagnostic. The colloid cysts with a size >3 cm are called giant colloid cysts and surgical resection can be recommended 1.
- 1. Agrawal A, Santhi V, Umamaheswara R. Giant Colloid Cyst of the Third Ventricle: Challenges in Management. Chin Neurosurg Jl. 2016;2(1):1-5. doi:10.1186/s41016-016-0031-x