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Difference between revisions of "Pilocytic astrocytoma"
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*Up to 15% of all [[NF1]] patients develop a PA ("optic glioma" as predilection).<ref>{{Cite journal | last1 = Friedrich | first1 = RE. | last2 = Nuding | first2 = MA. | title = Optic Pathway Glioma and Cerebral Focal Abnormal Signal Intensity in Patients with Neurofibromatosis Type 1: Characteristics, Treatment Choices and Follow-up in 134 Affected Individuals and a Brief Review of the Literature. | journal = Anticancer Res | volume = 36 | issue = 8 | pages = 4095-121 | month = Aug | year = 2016 | doi = | PMID = 27466519 }}</ref> | *Up to 15% of all [[NF1]] patients develop a PA ("optic glioma" as predilection).<ref>{{Cite journal | last1 = Friedrich | first1 = RE. | last2 = Nuding | first2 = MA. | title = Optic Pathway Glioma and Cerebral Focal Abnormal Signal Intensity in Patients with Neurofibromatosis Type 1: Characteristics, Treatment Choices and Follow-up in 134 Affected Individuals and a Brief Review of the Literature. | journal = Anticancer Res | volume = 36 | issue = 8 | pages = 4095-121 | month = Aug | year = 2016 | doi = | PMID = 27466519 }}</ref> | ||
*Rare reports of PA in Noonan-Syndrome (PTPN11 mutation).<ref>{{Cite journal | last1 = Jones | first1 = DT. | last2 = Hutter | first2 = B. | last3 = Jäger | first3 = N. | last4 = Korshunov | first4 = A. | last5 = Kool | first5 = M. | last6 = Warnatz | first6 = HJ. | last7 = Zichner | first7 = T. | last8 = Lambert | first8 = SR. | last9 = Ryzhova | first9 = M. | title = Recurrent somatic alterations of FGFR1 and NTRK2 in pilocytic astrocytoma. | journal = Nat Genet | volume = 45 | issue = 8 | pages = 927-32 | month = Aug | year = 2013 | doi = 10.1038/ng.2682 | PMID = 23817572 }}</ref> | *Rare reports of PA in Noonan-Syndrome (PTPN11 mutation).<ref>{{Cite journal | last1 = Jones | first1 = DT. | last2 = Hutter | first2 = B. | last3 = Jäger | first3 = N. | last4 = Korshunov | first4 = A. | last5 = Kool | first5 = M. | last6 = Warnatz | first6 = HJ. | last7 = Zichner | first7 = T. | last8 = Lambert | first8 = SR. | last9 = Ryzhova | first9 = M. | title = Recurrent somatic alterations of FGFR1 and NTRK2 in pilocytic astrocytoma. | journal = Nat Genet | volume = 45 | issue = 8 | pages = 927-32 | month = Aug | year = 2013 | doi = 10.1038/ng.2682 | PMID = 23817572 }}</ref> | ||
==Prognosis== | |||
*Excellent (10-year OS: 90%) | |||
*In thalamic/chiasmatic region not so good (incomplete resection, often [[Pilomyxoid astrocytoma]]). | |||
*Primary treatment: surgery. Incomplete resection: RT has to be considered. | |||
**Chx is given in rare cases that are still progredient<ref>{{Cite journal | last1 = Metts | first1 = RD. | last2 = Bartynski | first2 = W. | last3 = Welsh | first3 = CT. | last4 = Kinsman | first4 = S. | last5 = Bredlau | first5 = AL. | title = Bevacizumab Therapy for Pilomyxoid Astrocytoma. | journal = J Pediatr Hematol Oncol | volume = | issue = | pages = | month = Mar | year = 2017 | doi = 10.1097/MPH.0000000000000824 | PMID = 28338567 }}</ref> | |||
==See also== | ==See also== | ||