TABLE 1.
Patient, age, gender | Location, diagnosis, extent of resection | BRAF VE1 | BRAF mutation | Clinical follow-up, length of survival (in months) |
---|---|---|---|---|
1, 3 months, F | R parietooccipital region DIA NTR |
NEG | Failed Sanger, next-generation sequencing, qPCR mutational analyses | Alive with no recurrence 9 months |
2, 1 month, M | R frontal lobe DIA STR |
NEG | Failed Sanger, next-generation sequencing, qPCR mutational analyses | Treated at time of diagnosis with carboplatin/etoposide Alive with no recurrence 93 months |
3, 11 months, F | R parietooccipital region DIA CR |
NEG | Failed Sanger, next-generation sequencing, qPCR mutational analyses | Progressive leptomeningeal spread noted 2 months postoperatively. Therapy with high-dose chemotherapy, then temozolomide. Alive with no additional recurrence 195 months |
4, 7 months, M | L cerebral hemisphere DIG CR |
NEG | Mutation not identified on next-generation sequencing | Alive with no recurrence 8 months |
5, 3 months, M | L temporal lobe DIG CR |
NEG | Failed Sanger, next-generation sequencing, qPCR mutational analyses | Alive with no recurrence 36 months |
6, 1 year, M | L cerebral hemisphere DIG CR |
Equivocal Immunostaining |
Mutation present (c.1799_1800TG>AT;V600D) | Alive with no recurrence 9 months |
CR, complete resection; DIA, desmoplastic infantile astrocytoma; DIG, desmoplastic infantile ganglioglioma; F, female; L, left; M, male; NEG, negative; NTR, near total resection; POS, positive for mutation; qPCR, quantitative PCR. R, right; STR, subtotal resection;