Subependymal giant cell astrocytoma surgery: Difference between revisions
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==Overview== | ==Overview== | ||
*Surgery is the mainstay of treatment for subependymal giant cell astrocytoma.<ref name="pmid21465222">{{cite journal| author=Campen CJ, Porter BE| title=Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update. | journal=Curr Treat Options Neurol | year= 2011 | volume= 13 | issue= 4 | pages= 380-5 | pmid=21465222 | doi=10.1007/s11940-011-0123-z | pmc=PMC3130084 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21465222 }} </ref> Gamma knife radiosurgery has also been used to treat subependymal giant cell astrocytoma.<ref name="pmid21465222">{{cite journal| author=Campen CJ, Porter BE| title=Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update. | journal=Curr Treat Options Neurol | year= 2011 | volume= 13 | issue= 4 | pages= 380-5 | pmid=21465222 | doi=10.1007/s11940-011-0123-z | pmc=PMC3130084 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21465222 }} </ref> | *[[Surgery]] is the mainstay of treatment for subependymal giant cell astrocytoma.<ref name="pmid21465222">{{cite journal| author=Campen CJ, Porter BE| title=Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update. | journal=Curr Treat Options Neurol | year= 2011 | volume= 13 | issue= 4 | pages= 380-5 | pmid=21465222 | doi=10.1007/s11940-011-0123-z | pmc=PMC3130084 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21465222 }} </ref> [[Gamma Knife|Gamma knife radiosurgery]] has also been used to treat subependymal giant cell astrocytoma.<ref name="pmid21465222">{{cite journal| author=Campen CJ, Porter BE| title=Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update. | journal=Curr Treat Options Neurol | year= 2011 | volume= 13 | issue= 4 | pages= 380-5 | pmid=21465222 | doi=10.1007/s11940-011-0123-z | pmc=PMC3130084 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21465222 }} </ref> | ||
==Surgery== | ==Surgery== | ||
*Surgery is the mainstay of treatment for subependymal giant cell astrocytoma.<ref name="pmid21465222">{{cite journal| author=Campen CJ, Porter BE| title=Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update. | journal=Curr Treat Options Neurol | year= 2011 | volume= 13 | issue= 4 | pages= 380-5 | pmid=21465222 | doi=10.1007/s11940-011-0123-z | pmc=PMC3130084 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21465222 }} </ref> | *[[Surgery]] is the mainstay of treatment for subependymal giant cell astrocytoma.<ref name="pmid21465222">{{cite journal| author=Campen CJ, Porter BE| title=Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update. | journal=Curr Treat Options Neurol | year= 2011 | volume= 13 | issue= 4 | pages= 380-5 | pmid=21465222 | doi=10.1007/s11940-011-0123-z | pmc=PMC3130084 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21465222 }} </ref> | ||
*Treatment of subependymal giant cell astrocytoma has been solely surgical because of a lack of responsiveness to other strategies such as chemotherapy or radiation. The latter may also be associated with an increased risk of secondary malignancies.<ref name="RothRoach2013">{{cite journal|last1=Roth|first1=Jonathan|last2=Roach|first2=E. Steve|last3=Bartels|first3=Ute|last4=Jóźwiak|first4=Sergiusz|last5=Koenig|first5=Mary Kay|last6=Weiner|first6=Howard L.|last7=Franz|first7=David N.|last8=Wang|first8=Henry Z.|title=Subependymal Giant Cell Astrocytoma: Diagnosis, Screening, and Treatment. Recommendations From the International Tuberous Sclerosis Complex Consensus Conference 2012|journal=Pediatric Neurology|volume=49|issue=6|year=2013|pages=439–444|issn=08878994|doi=10.1016/j.pediatrneurol.2013.08.017}}</ref> | *Treatment of subependymal giant cell astrocytoma has been solely surgical because of a lack of responsiveness to other strategies such as chemotherapy or radiation. The latter may also be associated with an increased risk of secondary malignancies.<ref name="RothRoach2013">{{cite journal|last1=Roth|first1=Jonathan|last2=Roach|first2=E. Steve|last3=Bartels|first3=Ute|last4=Jóźwiak|first4=Sergiusz|last5=Koenig|first5=Mary Kay|last6=Weiner|first6=Howard L.|last7=Franz|first7=David N.|last8=Wang|first8=Henry Z.|title=Subependymal Giant Cell Astrocytoma: Diagnosis, Screening, and Treatment. Recommendations From the International Tuberous Sclerosis Complex Consensus Conference 2012|journal=Pediatric Neurology|volume=49|issue=6|year=2013|pages=439–444|issn=08878994|doi=10.1016/j.pediatrneurol.2013.08.017}}</ref> | ||
*Generally, it is agreed that small tumors are usually less invasive and that resecting noninvasive small tumors, diagnosed while still asymptomatic, is associated with excellent clinical outcomes with low morbidity and mortality. | *Generally, it is agreed that small tumors are usually less invasive and that resecting noninvasive small tumors, diagnosed while still asymptomatic, is associated with excellent clinical outcomes with low morbidity and mortality. | ||
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==Gamma Knife Radiosurgery== | ==Gamma Knife Radiosurgery== | ||
*Gamma knife radiosurgery has been used to treat subependymal giant cell astrocytoma.<ref name="pmid21465222">{{cite journal| author=Campen CJ, Porter BE| title=Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update. | journal=Curr Treat Options Neurol | year= 2011 | volume= 13 | issue= 4 | pages= 380-5 | pmid=21465222 | doi=10.1007/s11940-011-0123-z | pmc=PMC3130084 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21465222 }} </ref> | *[[Gamma Knife|Gamma knife radiosurgery]] has been used to treat subependymal giant cell astrocytoma.<ref name="pmid21465222">{{cite journal| author=Campen CJ, Porter BE| title=Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update. | journal=Curr Treat Options Neurol | year= 2011 | volume= 13 | issue= 4 | pages= 380-5 | pmid=21465222 | doi=10.1007/s11940-011-0123-z | pmc=PMC3130084 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21465222 }} </ref> | ||
*The gamma knife surgery may significantly decrease the volume (70-80%) of subependymal giant cell astrocytoma at 6 months of treatment.<ref name="OuyangZhang2014">{{cite journal|last1=Ouyang|first1=Taohui|last2=Zhang|first2=Na|last3=Benjamin|first3=Thomas|last4=Wang|first4=Long|last5=Jiao|first5=Jiantong|last6=Zhao|first6=Yiqing|last7=Chen|first7=Jian|title=Subependymal giant cell astrocytoma: current concepts, management, and future directions|journal=Child's Nervous System|volume=30|issue=4|year=2014|pages=561–570|issn=0256-7040|doi=10.1007/s00381-014-2383-x}}</ref> | *The gamma knife surgery may significantly decrease the volume (70-80%) of subependymal giant cell astrocytoma at 6 months of treatment.<ref name="OuyangZhang2014">{{cite journal|last1=Ouyang|first1=Taohui|last2=Zhang|first2=Na|last3=Benjamin|first3=Thomas|last4=Wang|first4=Long|last5=Jiao|first5=Jiantong|last6=Zhao|first6=Yiqing|last7=Chen|first7=Jian|title=Subependymal giant cell astrocytoma: current concepts, management, and future directions|journal=Child's Nervous System|volume=30|issue=4|year=2014|pages=561–570|issn=0256-7040|doi=10.1007/s00381-014-2383-x}}</ref> | ||
*Contraindication to gamma knife radiosurgery include large [[tumors]] producing significant [[hydrocephalus]]. | *Contraindication to gamma knife radiosurgery include large [[tumors]] producing significant [[hydrocephalus]]. | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]
Overview
- Surgery is the mainstay of treatment for subependymal giant cell astrocytoma.[1] Gamma knife radiosurgery has also been used to treat subependymal giant cell astrocytoma.[1]
Surgery
- Surgery is the mainstay of treatment for subependymal giant cell astrocytoma.[1]
- Treatment of subependymal giant cell astrocytoma has been solely surgical because of a lack of responsiveness to other strategies such as chemotherapy or radiation. The latter may also be associated with an increased risk of secondary malignancies.[2]
- Generally, it is agreed that small tumors are usually less invasive and that resecting noninvasive small tumors, diagnosed while still asymptomatic, is associated with excellent clinical outcomes with low morbidity and mortality.
- However, when diagnosed at a later stage, the tumor more often affects and invades neighboring structures (fornix, hypothalamus, basal ganglia, and genu of internal capsule) and resection is associated with higher surgical morbidity and mortality.
- The choice of treatment in subependymal giant cell astrocytoma still is dependent on the experience of the individual physician. Despite the growing evidence on mTORi-induced tumor shrinkage, many centers still strictly advocate surgical treatment, whereas others prefer medical therapy.[2]
- Indications of surgery in subependymal giant cell astrocytoma include:[1]
- Acute hydrocephalus
- Worsened seizure burden
- Significant interval growth on serial neuroimaging
- Complications of surgery in subependymal giant cell astrocytoma include:[1]
Gamma Knife Radiosurgery
- Gamma knife radiosurgery has been used to treat subependymal giant cell astrocytoma.[1]
- The gamma knife surgery may significantly decrease the volume (70-80%) of subependymal giant cell astrocytoma at 6 months of treatment.[3]
- Contraindication to gamma knife radiosurgery include large tumors producing significant hydrocephalus.
Reference
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Campen CJ, Porter BE (2011). "Subependymal Giant Cell Astrocytoma (SEGA) Treatment Update". Curr Treat Options Neurol. 13 (4): 380–5. doi:10.1007/s11940-011-0123-z. PMC 3130084. PMID 21465222.
- ↑ 2.0 2.1 Roth, Jonathan; Roach, E. Steve; Bartels, Ute; Jóźwiak, Sergiusz; Koenig, Mary Kay; Weiner, Howard L.; Franz, David N.; Wang, Henry Z. (2013). "Subependymal Giant Cell Astrocytoma: Diagnosis, Screening, and Treatment. Recommendations From the International Tuberous Sclerosis Complex Consensus Conference 2012". Pediatric Neurology. 49 (6): 439–444. doi:10.1016/j.pediatrneurol.2013.08.017. ISSN 0887-8994.
- ↑ Ouyang, Taohui; Zhang, Na; Benjamin, Thomas; Wang, Long; Jiao, Jiantong; Zhao, Yiqing; Chen, Jian (2014). "Subependymal giant cell astrocytoma: current concepts, management, and future directions". Child's Nervous System. 30 (4): 561–570. doi:10.1007/s00381-014-2383-x. ISSN 0256-7040.