Arachnoid cyst surgery: Difference between revisions
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* There are a number of approaches in treating arachnoid cysts, the most common are: | * There are a number of approaches in treating arachnoid cysts, the most common are: | ||
** Endoscopic fenestration and removal of the cyst ( | ** Endoscopic fenestration and removal of the cyst wall (advances in neurosurgical techniques favor fenestration over shunt insertion as the preferred method for initial management).<ref>Pradilla, Gustavo, and George Jallo. "Arachnoid cysts: case series and review of the literature." ''Neurosurgical focus'' 22.2 (2007): 1-4.</ref> | ||
** Microsurgical fenestration; | ** Microsurgical fenestration; | ||
** Craniotomy followed by shunting. | ** Craniotomy followed by shunting. | ||
* Neuroradiology imaging is needed to assess: location of the cyst and its size; | * Neuroradiology imaging is needed to assess: location of the cyst and its size; | ||
* It is still a controversy which is the best method, some studies state that the fenestration is associated with more complications<ref>Choi, Jung Won, et al. "Stricter indications are recommended for fenestration surgery in intracranial arachnoid cysts of children." ''Child's Nervous System'' 31.1 (2015): 77-86.</ref> while some argue that the endoscopic approach is superior with fewer surgical complications in comparison to craniotomy and shunting,<ref>Lee, Yun Ho, Young Sub Kwon, and Kook Hee Yang. "Multiloculated Hydrocephalus: Open Craniotomy or Endoscopy?." ''Journal of Korean Neurosurgical Society'' 60.3 (2017): 301.</ref> | * It is still a controversy which is the best method, some studies state that the fenestration is associated with more complications<ref>Choi, Jung Won, et al. "Stricter indications are recommended for fenestration surgery in intracranial arachnoid cysts of children." ''Child's Nervous System'' 31.1 (2015): 77-86.</ref> while some argue that the endoscopic approach is superior with fewer surgical complications in comparison to craniotomy and shunting,<ref>Lee, Yun Ho, Young Sub Kwon, and Kook Hee Yang. "Multiloculated Hydrocephalus: Open Craniotomy or Endoscopy?." ''Journal of Korean Neurosurgical Society'' 60.3 (2017): 301.</ref> | ||
* Regarding symptoms, endoscopic approach has been preferred with hydrocephalus as this allows more space to execute the surgery.<ref name=":0">Mustansir, Fatima, Sanaullah Bashir, and Aneela Darbar. "Management of arachnoid cysts: A comprehensive review." ''Cureus'' 10.4 (2018).</ref> | * Regarding symptoms, endoscopic approach has been preferred with hydrocephalus as this allows more space to execute the surgery.<ref name=":0">Mustansir, Fatima, Sanaullah Bashir, and Aneela Darbar. "Management of arachnoid cysts: A comprehensive review." ''Cureus'' 10.4 (2018).</ref> | ||
* Location of the cyst also plays an important role on choosing the approach and possible outcomes: | * Location of the cyst also plays an important role on choosing the approach and possible outcomes: | ||
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*** Type II - Infratentorial: | *** Type II - Infratentorial: | ||
*** Type III - lateral extension toward the temporal lobe. May present with symptoms such as headaches, vomiting, lethargy, and impairment of upward gaze, macrocrania. If symptomatic, they must be treated | *** Type III - lateral extension toward the temporal lobe. May present with symptoms such as headaches, vomiting, lethargy, and impairment of upward gaze, macrocrania. If symptomatic, they must be treated | ||
**** Endoscopic method is preferred for all of them due to the proximity with the pineal region. | **** Endoscopic method is preferred for all of them due to the proximity with the pineal region.<ref name=":0" /> | ||
==References== | ==References== | ||
Revision as of 01:02, 30 June 2020
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Arachnoid cyst Microchapters |
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Arachnoid cyst surgery On the Web |
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Risk calculators and risk factors for Arachnoid cyst surgery |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: José Eduardo Riceto Loyola Junior, M.D.[2]
Overview
Treatment for arachnoid cysts occurs when symptoms present themselves. A variety of surgical procedures may be used to decompress (remove pressure from) the cyst.
Surgery
- There are a number of approaches in treating arachnoid cysts, the most common are:
- Endoscopic fenestration and removal of the cyst wall (advances in neurosurgical techniques favor fenestration over shunt insertion as the preferred method for initial management).[1]
- Microsurgical fenestration;
- Craniotomy followed by shunting.
- Neuroradiology imaging is needed to assess: location of the cyst and its size;
- It is still a controversy which is the best method, some studies state that the fenestration is associated with more complications[2] while some argue that the endoscopic approach is superior with fewer surgical complications in comparison to craniotomy and shunting,[3]
- Regarding symptoms, endoscopic approach has been preferred with hydrocephalus as this allows more space to execute the surgery.[4]
- Location of the cyst also plays an important role on choosing the approach and possible outcomes:
- Middle cranial fossa: endoscopy is still controversial; microsurgery may be a better option in this location.[4]
- Type I - microsurgical fenestration;
- Type II - endoscopic cystocisternotomy, if it fails: microsurgical fenestration or shunting;
- Type III - endoscopic cystocisternotomy, if it fails: microsurgical fenestration or shunting;
- Suprasellar: usually present with hydrocephalus - endoscopic fenestration is the preffered treatment. Craniotomy is associated with increased morbidity. Endoscopic ventriculocystocisternostomy preferred over ventriculocystostomy.[4]
- Interhemispheric: may be:
- Parasagittal: excision of the cyst;
- Midline: associated with agenesis of the corpo callosum, fenestration is preferred.
- Quadrigeminal:
- Type I - Supratentorial
- Type II - Infratentorial:
- Type III - lateral extension toward the temporal lobe. May present with symptoms such as headaches, vomiting, lethargy, and impairment of upward gaze, macrocrania. If symptomatic, they must be treated
- Endoscopic method is preferred for all of them due to the proximity with the pineal region.[4]
- Middle cranial fossa: endoscopy is still controversial; microsurgery may be a better option in this location.[4]
References
- ↑ Pradilla, Gustavo, and George Jallo. "Arachnoid cysts: case series and review of the literature." Neurosurgical focus 22.2 (2007): 1-4.
- ↑ Choi, Jung Won, et al. "Stricter indications are recommended for fenestration surgery in intracranial arachnoid cysts of children." Child's Nervous System 31.1 (2015): 77-86.
- ↑ Lee, Yun Ho, Young Sub Kwon, and Kook Hee Yang. "Multiloculated Hydrocephalus: Open Craniotomy or Endoscopy?." Journal of Korean Neurosurgical Society 60.3 (2017): 301.
- ↑ 4.0 4.1 4.2 4.3 Mustansir, Fatima, Sanaullah Bashir, and Aneela Darbar. "Management of arachnoid cysts: A comprehensive review." Cureus 10.4 (2018).