Table 1.

Surgical data of 94 brain biopsy procedures.

Biopsy Technique
Needle	85.1%
Endoscopic	5.3%
Open	9.6%
Histologic Diagnosis
HGG	64.9%
IDH wild-type	98.2%
IDH mutated	1.8%
Low-grade glioma NOS	4.3%
PCNSL	18.1%
Inflammatory tissue	4.3%
Other	4.3%
Non-diagnostic	4.3%
Complications	8.6%
Brain edema	3.2%
Seizures	2.2%
Pulmonary embolism	3.2%
Death	2.1%

HGG, high-grade glioma; NOS, not otherwise specified; PCNSL, primary central nervous system lymphoma.