- Mori et al. Classification
- Parasagittal cyst
- Unilateral
- found in toddlers
- infrequently associated with agenesis of the corpus callosum
- not near the ventricles,
- Do not usually present with hydrocephalus
- best treatment is excision of the cyst along with its lining
- Midline cyst
- Complex
- multiloculated cysts
- discovered at birth
- associated with agenesis of the corpus callosum.
- Present with hydrocephalus.
- Most frequent site of contiguity between the cyst and the ventricles is at the level of the roof of the third ventricle.
- Fenestration of the cyst into the third ventricle is required.
- Moreover, the septations have to be broken and made to communicate with the nearby cistern
Interhemispheric arachnoid cyst
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