DZI19-121-Case-9
From MGH Learn Pathology
PILOCYTIC ASTROCTYOMA, BRAF-KIAA1549 FUSION POSITIVE
Histological diagnosis: Pilocytic astrocytoma
WHO histological grade: I
Molecular information: BRAF-KIAA1549 fusion: PRESENT (NGS fusion panel) IDH: wildtype (IDH1/2 sequencing) P53: weak in rare tumor cells (immunohistochemistry, consistent with wildtype)
ATRX: nuclear expression retained (immunohistochemistry, consistent with wildtype)