DZI19-121-Case-3
From MGH Learn Pathology
Histological diagnosis: Anaplastic astrocytoma (recurrent)
WHO histological grade: III
Molecular information: IDH: MUTANT (R132H immunohistochemistry) P53: positive in most tumor cells (immunohistochemistry, consistent with mutation) ATRX: nuclear expression lost (immunohistochemistry, consistent with mutation)
CDKN2A/B: homozygous deletion PRESENT (NGS sequencing)