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  Indian J Med Microbiol
 

Figure 2: Depicts the histological and molecular features of oligodendroglioma, IDH-mutant & 1p/19q codeleted tumors. (a and b) show histological features of grade 2 (a H&E × 100) and grade 3 (b, arrows mitosis, H&E × 200) tumors. (c and d) show immunohistochemical features of an oligodendroglioma with IDH1p.R132H immunopositivity (c, × 100) and retained nuclear expression of ATRX (d × 100). FISH shows codeletion of 1p (e, immunofluorescence) and 19q (f, immunofluorescence)

Figure 2: Depicts the histological and molecular features of oligodendroglioma, IDH-mutant & 1p/19q codeleted tumors. (a and b) show histological features of grade 2 (a H&E × 100) and grade 3 (b, arrows mitosis, H&E × 200) tumors. (c and d) show immunohistochemical features of an oligodendroglioma with IDH1p.R132H immunopositivity (c, × 100) and retained nuclear expression of ATRX (d × 100). FISH shows codeletion of 1p (e, immunofluorescence) and 19q (f, immunofluorescence)