Arachnoid cyst natural history, complications and prognosis: Difference between revisions
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== Overview == | |||
Prognosis of arachnoid cyst is generally excellent and is usually associated with a benign disease course, despite being symptomatic in a few patients. | |||
== Natural History == | |||
* Arachnoid cyst usually develops asymptomatically and remains asymptomatic in most patients through their lifetime; | |||
* Most are found incidentally; | |||
* In a few patients they may have: headaches, hydrocephalus, ataxia/gait imbalance, seizures, dizziness, visual changes, hearing loss, vertigo, nausea/vomiting, speech abnormalities, cervical myelopathy with syrinx; | |||
* In a paper from 2013, 203 patients with arachnoid cysts were followed up, with only 5 patients presenting with enlargement of the cyst and only 2 developing symptoms that could be due to the arachnoid cyst. <ref name=":0">Al-Holou, Wajd N., et al. "Prevalence and natural history of arachnoid cysts in adults." ''Journal of Neurosurgery'' 118.2 (2013): 222-231.</ref> | |||
== Complications == | |||
Arachnoid cysts may, rarely, enlarge and cause symptoms as described above. In a very restricted selection of cases they may be surgically treatment, but surgery may occasionally result in complications including: | |||
* Subdural hygroma; | |||
* Subdural hematoma; | |||
* Pseudomeningomyelocele; | |||
* Subdural empyema; | |||
* Wound complications; | |||
* Meningitis; | |||
* Hydrocephalus; | |||
* Seizure; | |||
* Need for more surgical procedures after a failed initial surgical attempt.<ref name=":0" /> | |||
== Prognosis == | == Prognosis == | ||
*The prognosis of arachnoid cyst is often good, and in the majority of cases won't demand treatment. | |||
* | *Without treatment, in a few cases the symptoms may worsen over time. | ||
*Surgical decompression of the arachnoid cyst yielded a reduction in 66% of the patients of less than 50% of the preoperative volume. 82% were asymptomatic after the procedure, while 12% reported no relief and 6% experienced worsening of the symptoms. <ref>Helland, Christian A., and Knut Wester. "A population-based study of intracranial arachnoid cysts: clinical and neuroimaging outcomes following surgical cyst decompression in children." ''Journal of Neurosurgery: Pediatrics'' 105.5 (2006): 385-390.</ref> | |||
==References== | ==References== |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Prognosis of arachnoid cyst is generally excellent and is usually associated with a benign disease course, despite being symptomatic in a few patients.
Natural History
- Arachnoid cyst usually develops asymptomatically and remains asymptomatic in most patients through their lifetime;
- Most are found incidentally;
- In a few patients they may have: headaches, hydrocephalus, ataxia/gait imbalance, seizures, dizziness, visual changes, hearing loss, vertigo, nausea/vomiting, speech abnormalities, cervical myelopathy with syrinx;
- In a paper from 2013, 203 patients with arachnoid cysts were followed up, with only 5 patients presenting with enlargement of the cyst and only 2 developing symptoms that could be due to the arachnoid cyst. [1]
Complications
Arachnoid cysts may, rarely, enlarge and cause symptoms as described above. In a very restricted selection of cases they may be surgically treatment, but surgery may occasionally result in complications including:
- Subdural hygroma;
- Subdural hematoma;
- Pseudomeningomyelocele;
- Subdural empyema;
- Wound complications;
- Meningitis;
- Hydrocephalus;
- Seizure;
- Need for more surgical procedures after a failed initial surgical attempt.[1]
Prognosis
- The prognosis of arachnoid cyst is often good, and in the majority of cases won't demand treatment.
- Without treatment, in a few cases the symptoms may worsen over time.
- Surgical decompression of the arachnoid cyst yielded a reduction in 66% of the patients of less than 50% of the preoperative volume. 82% were asymptomatic after the procedure, while 12% reported no relief and 6% experienced worsening of the symptoms. [2]
References
- ↑ 1.0 1.1 Al-Holou, Wajd N., et al. "Prevalence and natural history of arachnoid cysts in adults." Journal of Neurosurgery 118.2 (2013): 222-231.
- ↑ Helland, Christian A., and Knut Wester. "A population-based study of intracranial arachnoid cysts: clinical and neuroimaging outcomes following surgical cyst decompression in children." Journal of Neurosurgery: Pediatrics 105.5 (2006): 385-390.