Medulloblastoma medical therapy: Difference between revisions
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==Overview== | ==Overview== | ||
Risk stratification determines the protocol of management used for medulloblastoma patients. Radiotherapy is the mainstay of treatment for medulloblastoma. Radiotherapy for medulloblastoma must be started within the 6 weeks period following surgery. Adjunctive chemotherapy is also required for the management of certain medulloblastoma patients. Recommended chemotherapeutic regimens used for the management of standard risk medulloblastoma patients include a combination of [[lomustine]], [[vincristine]], and [[cisplatin]].<ref name="pmid22622599">{{cite journal| author=von Hoff K, Rutkowski S| title=Medulloblastoma. | journal=Curr Treat Options Neurol | year= 2012 | volume= 14 | issue= 4 | pages= 416-26 | pmid=22622599 | doi=10.1007/s11940-012-0183-8 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22622599 }} </ref><ref name="N"> Clinical Practice Guidelines in Oncology Central Nervous System Cancers. National Comprehensive Cancer Network.(2015) http://www.lecba-rakoviny.cz/dokumenty/NCCN_Guidelines_cns_2011.pdf Accessed on September,25 2015</ref> | |||
==Medical Therapy== | ==Medical Therapy== | ||
* The algorithm below | * The algorithm below summarizes the management approach for medulloblastoma patients:<ref name="pmid22622599">{{cite journal| author=von Hoff K, Rutkowski S| title=Medulloblastoma. | journal=Curr Treat Options Neurol | year= 2012 | volume= 14 | issue= 4 | pages= 416-26 | pmid=22622599 | doi=10.1007/s11940-012-0183-8 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22622599 }} </ref><ref name="N"> Clinical Practice Guidelines in Oncology Central Nervous System Cancers. National Comprehensive Cancer Network.(2015) http://www.lecba-rakoviny.cz/dokumenty/NCCN_Guidelines_cns_2011.pdf Accessed on September,25 2015</ref> | ||
<br> | <br> | ||
{{Family tree/start}} | {{Family tree/start}} | ||
{{Family tree | | | | A01 | | | |A01=<div style="width: | {{Family tree | | | | A01 | | | |A01=<div style="width: 15em; padding:1em;">'''Optimal surgical excision'''</div>}} | ||
{{Family tree | | | | |!| | | | | }} | {{Family tree | | | | |!| | | | | }} | ||
{{Family tree | | | | B01 | | | |B01=<div style="width: | {{Family tree | | | | B01 | | | |B01=<div style="width: 15em; padding:)0.5em;">'''Histopathological analysis and detailed staging'''</div>}} | ||
{{Family tree | | | | |!| | | | | }} | {{Family tree | | | | |!| | | | | }} | ||
{{Family tree | | | | B01 | | | |B01=<div style="width: | {{Family tree | | | | B01 | | | |B01=<div style="width: 15em; padding:0.5;">'''[[#Risk Stratification|Risk stratification]]'''</div>}} | ||
{{Family tree | | | | |!| | | | | }} | {{Family tree | | | | |!| | | | | }} | ||
{{familytree | | | | Y01 | | | | | | | | | | Y01=<div style="width: 20em; padding:0.5em;">'''Radiotherapy and chemotherapy''' | {{familytree | | | | Y01 | | | | | | | | | | Y01=<div style="width: 20em; padding:0.5em;">'''Radiotherapy and chemotherapy''' | ||
'''administered according to the risk stratification criteria'''</div>}} | '''administered according to the risk stratification criteria'''</div>}} | ||
{{familytree | | |,|-|^|-|.| | | | | | | | }} | {{familytree | | |,|-|^|-|.| | | | | | | | }} | ||
{{familytree | | A01 | | A03 | | | | | | |A01=<div style="width: 20em; padding:1em;" | {{familytree | | X01 | | X02 | | | | | | |X01='''Standard risk patients'''| X02='''High risk patients'''}} | ||
'''Craniospinal radiation < | {{familytree|boxstyle= border-top: 0px;| | A01 | | A03 | | | | | | |A01=<div style="width: 20em; padding:1em;"> | ||
'''Craniospinal radiation followed by | '''Craniospinal radiation <br>{{or}}<br> Chemoradiotherapy followed by additional [[#Chemotherapy|chemotherapy]]'''</div>|A03=<div style="width: 15em; padding:1em;">|A03=<div style="width: 15em; padding:1em;"> | ||
'''[[#Radiation Therapy|Craniospinal radiation]] followed by chemotherapy'''</div>}} | |||
{{Family tree/end}} | {{Family tree/end}} | ||
===Risk Stratification | ===Risk Stratification=== | ||
* | * Risk stratification determines the protocol of management used for medulloblastoma patients.<ref name="pmid23245832">{{cite journal| author=Bartlett F, Kortmann R, Saran F| title=Medulloblastoma. | journal=Clin Oncol (R Coll Radiol) | year= 2013 | volume= 25 | issue= 1 | pages= 36-45 | pmid=23245832 | doi=10.1016/j.clon.2012.09.008 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23245832 }} </ref><ref name="b">Medulloblastoma staging. Wikibooks(2015) https://en.wikibooks.org/wiki/Radiation_Oncology/Medulloblastoma/Staging Accessed on September, 28 2015)</ref> | ||
* The table below demonstrates the risk stratification | * The table below demonstrates the risk stratification for medulloblastoma patients: | ||
{| style="border: 0px; font-size: 90%; margin: 3px; width: 1000px" | {| style="border: 0px; font-size: 90%; margin: 3px; width: 1000px" | ||
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| style="padding: 5px 5px; background: #F5F5F5;" | | | style="padding: 5px 5px; background: #F5F5F5;" | | ||
:::M1-M3 stage '''or''' presence of [[leptomeningeal]] seeding | :::M1-M3 stage '''or''' presence of [[leptomeningeal]] seeding | ||
|- | |||
| style="background: #CEDCED; width: 150px; padding:7px;" | '''Management Protocol''' | |||
| style="background: #CEDCED; width: 400px; text-align:center; padding:7px;" |Craniospinal radiation <br>{{or}}<br> Chemoradiotherapy followed by additional chemotherapy | |||
| style="background: #CEDCED; width: 450px; text-align:center; padding:7px;" |Craniospinal radiation followed by chemotherapy | |||
|} | |} | ||
===Radiation Therapy=== | ===Radiation Therapy=== | ||
* Radiotherapy is the mainstay of treatment for medulloblastoma. | * Radiotherapy is the mainstay of treatment for medulloblastoma. | ||
* Radiotherapy for medulloblastoma must be started within 6 weeks following surgery. | * [[Radiotherapy]] for medulloblastoma must be started within the 6 weeks period following surgery. | ||
* The main radiotherapy techniques used in the management of medulloblastoma patients include: | * The main radiotherapy techniques used in the management of medulloblastoma patients include: | ||
:* Conventional radiotherapy technique | :* Conventional radiotherapy technique | ||
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:* Three dimensional radiotherapy technique | :* Three dimensional radiotherapy technique | ||
* Three dimensional radiotherapy technique demonstrated better outcomes when compared to conventional and intensity modulated radiotherapy techniques. | * Three dimensional radiotherapy technique demonstrated better outcomes when compared to conventional and intensity modulated radiotherapy techniques. | ||
* The | * The dose of radiation is adjusted according to the risk stratification of medulloblastoma patients. | ||
* As medulloblastoma tends to spread along the cerebrospinal fluid, it is recommended to deliver a craniospinal irradiation with a boost to the posterior fossa. | * As medulloblastoma tends to spread along the [[cerebrospinal fluid]], it is recommended to deliver a craniospinal irradiation with a boost to the posterior fossa. | ||
* Side effects of radiotherapy may include: | * Side effects of radiotherapy may include: | ||
:* Altered cognitive level | :* Altered [[cognitive]] level | ||
:* Deafness | :* [[Deafness]] | ||
:* Endocrinopathies | :* Endocrinopathies<ref name="pmid23245832">{{cite journal| author=Bartlett F, Kortmann R, Saran F| title=Medulloblastoma. | journal=Clin Oncol (R Coll Radiol) | year= 2013 | volume= 25 | issue= 1 | pages= 36-45 | pmid=23245832 | doi=10.1016/j.clon.2012.09.008 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=23245832 }} </ref> | ||
===Chemotherapy=== | ===Chemotherapy=== | ||
* Adjunctive chemotherapy | * Adjunctive chemotherapy is required for the management of medulloblastoma patients. | ||
* Recommended chemotherapeutic regimens used for the management of '''standard''' risk medulloblastoma patients include a combination of [[lomustine]] {{and}} [[vincristine]] {{and}} [[cisplatin]] | |||
* Other chemotheuraptic agents that may be used for the management of '''high''' risk medulloblastoma patients include: | |||
:* [[Cyclophosphamide]] | |||
:* [[Carboplatin]] | |||
:* [[Etoposide]] | |||
:* [[Temozolomide]]<ref name="pmid22622599">{{cite journal| author=von Hoff K, Rutkowski S| title=Medulloblastoma. | journal=Curr Treat Options Neurol | year= 2012 | volume= 14 | issue= 4 | pages= 416-26 | pmid=22622599 | doi=10.1007/s11940-012-0183-8 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22622599 }} </ref><ref name="N"> Clinical Practice Guidelines in Oncology Central Nervous System Cancers. National Comprehensive Cancer Network.(2015) http://www.lecba-rakoviny.cz/dokumenty/NCCN_Guidelines_cns_2011.pdf Accessed on September,25 2015</ref> | |||
==References== | ==References== | ||
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{{WikiDoc Help Menu}} | {{WikiDoc Help Menu}} | ||
{{WikiDoc Sources}} | {{WikiDoc Sources}} | ||
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Latest revision as of 02:34, 27 November 2017
Medulloblastoma Microchapters |
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Medulloblastoma medical therapy On the Web |
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Risk calculators and risk factors for Medulloblastoma medical therapy |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]
Overview
Risk stratification determines the protocol of management used for medulloblastoma patients. Radiotherapy is the mainstay of treatment for medulloblastoma. Radiotherapy for medulloblastoma must be started within the 6 weeks period following surgery. Adjunctive chemotherapy is also required for the management of certain medulloblastoma patients. Recommended chemotherapeutic regimens used for the management of standard risk medulloblastoma patients include a combination of lomustine, vincristine, and cisplatin.[1][2]
Medical Therapy
Optimal surgical excision | |||||||||||||||||||||||||||||
Histopathological analysis and detailed staging | |||||||||||||||||||||||||||||
Radiotherapy and chemotherapy
administered according to the risk stratification criteria | |||||||||||||||||||||||||||||
Standard risk patients | High risk patients | ||||||||||||||||||||||||||||
Craniospinal radiation followed by chemotherapy | |||||||||||||||||||||||||||||
Risk Stratification
- The table below demonstrates the risk stratification for medulloblastoma patients:
Parameters | Standard Risk Group | High Risk Group |
---|---|---|
Age |
|
|
Extent of previous surgical resection |
|
|
Tumor stage |
| |
Management Protocol | Craniospinal radiation OR Chemoradiotherapy followed by additional chemotherapy |
Craniospinal radiation followed by chemotherapy |
Radiation Therapy
- Radiotherapy is the mainstay of treatment for medulloblastoma.
- Radiotherapy for medulloblastoma must be started within the 6 weeks period following surgery.
- The main radiotherapy techniques used in the management of medulloblastoma patients include:
- Conventional radiotherapy technique
- Intensity modulated radiotherapy technique
- Three dimensional radiotherapy technique
- Three dimensional radiotherapy technique demonstrated better outcomes when compared to conventional and intensity modulated radiotherapy techniques.
- The dose of radiation is adjusted according to the risk stratification of medulloblastoma patients.
- As medulloblastoma tends to spread along the cerebrospinal fluid, it is recommended to deliver a craniospinal irradiation with a boost to the posterior fossa.
- Side effects of radiotherapy may include:
Chemotherapy
- Adjunctive chemotherapy is required for the management of medulloblastoma patients.
- Recommended chemotherapeutic regimens used for the management of standard risk medulloblastoma patients include a combination of lomustine AND vincristine AND cisplatin
- Other chemotheuraptic agents that may be used for the management of high risk medulloblastoma patients include:
References
- ↑ 1.0 1.1 1.2 von Hoff K, Rutkowski S (2012). "Medulloblastoma". Curr Treat Options Neurol. 14 (4): 416–26. doi:10.1007/s11940-012-0183-8. PMID 22622599.
- ↑ 2.0 2.1 2.2 Clinical Practice Guidelines in Oncology Central Nervous System Cancers. National Comprehensive Cancer Network.(2015) http://www.lecba-rakoviny.cz/dokumenty/NCCN_Guidelines_cns_2011.pdf Accessed on September,25 2015
- ↑ 3.0 3.1 Bartlett F, Kortmann R, Saran F (2013). "Medulloblastoma". Clin Oncol (R Coll Radiol). 25 (1): 36–45. doi:10.1016/j.clon.2012.09.008. PMID 23245832.
- ↑ Medulloblastoma staging. Wikibooks(2015) https://en.wikibooks.org/wiki/Radiation_Oncology/Medulloblastoma/Staging Accessed on September, 28 2015)