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  Indian J Med Microbiol
 

Figure 1: Depicts the histological and molecular features of astrocytoma, IDH-mutant tumors. (a-c) show histological features of grade 2 (a H&E, × 100), grade 3 (b, arrows mitosis, H&E, × 200), and grade 4 (c star focal necrosis) astrocytomas. d–f show immunohistochemical features of an astrocytoma, IDH-mutant CNS WHO grade 3. There is a homozygous deletion of CDKN2A (g FISH) and IDH1R132G mutation on sequencing (h)

Figure 1: Depicts the histological and molecular features of astrocytoma, IDH-mutant tumors. (a-c) show histological features of grade 2 (a H&E, × 100), grade 3 (b, arrows mitosis, H&E, × 200), and grade 4 (c star focal necrosis) astrocytomas. d–f show immunohistochemical features of an astrocytoma, IDH-mutant CNS WHO grade 3. There is a homozygous deletion of CDKN2A (g FISH) and IDH1R132G mutation on sequencing (h)