Arachnoid cysts: pathology and classifications
Evidence-based neurology checklist on arachnoid cysts: pathology and classifications: Pathology These are congenital fluid-filled malformations The arachnoid membrane is split There is thick collagen in the cyst wall There are hyperplastic arachnoid cells in the cyst wall There are no traversing…
Pathology
- These are congenital fluid-filled malformations
- The arachnoid membrane is split
- There is thick collagen in the cyst wall
- There are hyperplastic arachnoid cells in the cyst wall
- There are no traversing trabecular processes in the cyst
Genetic transmission of familial types
Frequent locations
Other locations
Classification of middle cranial fossa cysts (Galassi classification)
Classification of cerebellopontine angle/ cysts
Classification of posterior fossa cysts
Radiological features
References
- Ahmed AK, Cohen AR. Intracranial arachnoid cysts. Childs Nerv Syst 2023 (Online ahead of print).
- Furey CG, Timberlake AT, Nelson-Williams C, et al. Xp22.2 chromosomal duplication in familial intracranial arachnoid cyst. JAMA Neurol 2017; 74:1503-1504.
- Bayrakli F, Okten AI, Kartal U, et al. Intracranial arachnoid cyst family with autosomal recessive trait mapped to chromosome 6q22.31-23.2. Acta Neurochir (Wien) 2012; 154:1287-1292.
- Ibrahim GM, Alotaibi NM, Lipsman N, Nassiri F, da Costa L. De novo formation of a symptomatic arachnoid cyst in an adult. Neurology 2017; 88:331-332.
- Pradilla G, Jallo G. Arachnoid cysts: case series and review of the literature. Neurosurg Focus 2007; 22:E7.
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