Choroidal fissure cyst
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Incidental finding on a non-contrast CT scan. At the right choroid fissure, there is a well-delineated, homogeneous and small hypodense lesion, similar to CSF, compatible with choroidal fissure cyst.
They may represent neuroepithelial cysts located at the choroid fissure, so are a location-based diagnosis. These cysts do not require follow up or treatment.