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Most arachnoid cysts are asymptomatic, and do not require treatment. Where complications are present, leaving arachnoid cysts untreated may cause permanent severe neurological damage due to the progressive expansion of the cyst(s) or hemorrhage (bleeding). [2] However, with treatment most individuals with symptomatic arachnoid cysts do well.
For those with suprasellar arachnoid cysts, it has been discovered that endoscopic ventriculocystocisternostomy is the optimal treatment option. By fenestrating, or opening, the cystic membrane and removing the fluid, all obstructions of the aqueduct were resolved. In patients receiving this treatment, a full recovery is the most common result. [6]
After a diagnosis has been made, immunohistochemistry may be used to differentiate between epithelial cysts and arachnoid cysts. [2] These examinations are useful to get a general idea of possible treatment options, but can be unsatisfactory to diagnose CNS cysts.
Arachnoid cyst: A defect caused when CSF forms a collection that is trapped in the arachnoid membranes. The resulting cyst can then block the normal flow of CSF from the brain resulting in hydrocephalus as well as other defects. The most common locations for an arachnoid cyst are the middle fossa and the posterior fossa. The most common ...
Arachnoiditis can be difficult to treat and treatment is generally limited to alleviation of pain and other symptoms. [25] While arachnoiditis may not yet be curable with the potential to be life-altering, management including medication, physical therapy , and if appropriate, psychotherapy, can help patients cope with the difficulties it presents.
People on these medications can have a subdural hematoma after a relatively minor traumatic event. Another cause can be a reduction in cerebrospinal fluid pressure, which can reduce pressure in the subarachnoid space, pulling the arachnoid away from the dura mater and leading to a rupture of the blood vessels. [10]
Absent tibia-polydactyly-arachnoid cyst syndrome, also known as Holmes-Collins syndrome, is a very rare multi-systemic hereditary disorder which is characterized by facial dysmorphisms, [1] pre/post-axial polydactyly, toe syndactyly, missing/underdeveloped tibia bone, and the presence of a retrocerebellar arachnoid cyst.
Interventional treatment of Tarlov cysts is the only means by which symptoms might permanently be resolved due to the fact that the cysts often refill after aspiration. Tarlov cysts often enlarge over time, especially if the sac has a check valve type opening. They are differentiated from other meningeal and arachnoid cysts because they are ...