期刊
JOURNAL OF NEURO-ONCOLOGY
卷 125, 期 3, 页码 531-549出版社
SPRINGER
DOI: 10.1007/s11060-015-1909-8
关键词
Astrocytoma; Oligodendroglioma; Low-grade diffuse glioma; Isocitrate dehydrogenase (IDH1, IDH2); 1p/19q loss-of-heterozygosity; Methyl-guanine methyl-transferase (MGMT); Ki67/MIB1
资金
- National Cancer Institute
- Genentech
- Millenium
Adult patients (age a parts per thousand yen18 years) who have suspected low-grade diffuse glioma. What are the optimal neuropathological techniques to diagnose low-grade diffuse glioma in the adult? Histopathological analysis of a representative surgical sample of the lesion should be used to provide the diagnosis of low-grade diffuse glioma. Both frozen section and cytopathologic/smear evaluation should be used to aid the intra-operative assessment of low-grade diffuse glioma diagnosis. A resection specimen is preferred over a biopsy specimen, to minimize the potential for sampling error issues. Patients with histologically-proven WHO grade II diffuse glioma. In adult patients (age a parts per thousand yen18 years) with histologically-proven WHO grade II diffuse glioma, is testing for IDH1 mutation (R132H and/or others) warranted? If so, is there a preferred method? IDH gene mutation assessment, via IDH1 R132H antibody and/or IDH1/2 mutation hotspot sequencing, is highly-specific for low-grade diffuse glioma, and is recommended as an additional test for classification and prognosis. Patients with histologically-proven WHO grade II diffuse glioma. In adult patients (age a parts per thousand yen18 years) with histologically-proven WHO grade II diffuse glioma, is testing for 1p/19q loss warranted? If so, is there a preferred method? 1p/19q loss-of-heterozygosity testing, by FISH, array-CGH or PCR, is recommended as an additional test in oligodendroglial cases for prognosis and potential treatment planning. Patients with histologically-proven WHO grade II diffuse glioma. In adult patients (age a parts per thousand yen18 years) with histologically-proven WHO grade II diffuse glioma, is MGMT promoter methylation testing warranted? If so, is there a preferred method? There is insufficient evidence to recommend methyl-guanine methyl-transferase (MGMT) promoter methylation testing as a routine for low-grade diffuse gliomas. It is recommended that patients be enrolled in properly designed clinical trials to assess the value of this and related markers for this target population. Patients with histologically-proven WHO grade II diffuse glioma. In adult patients (age a parts per thousand yen18 years) with histologically-proven WHO grade II diffuse glioma, is Ki-67/MIB1 immunohistochemistry warranted? If so, is there a preferred method to quantitate results? Ki67/MIB1 immunohistochemistry is recommended as an option for prognostic assessment.
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