Correct answer is D
🥮The most common BRAF mutation in pilocytic astrocytoma is
KIAA1549-BRAF fusions, however BRAF V600E mutations are also seen.
🍕Pilocytic astrocytoma is of glial origin and hence is GFAP positive
🍪Pilocytic astrocytoma is associated with mutations in NF-1 but not TSC- 2 gene.