Reliability of Frameless Stereotactic Brain Biopsy for Complicated Lesions: Multicenter Experiences.

There were 43 males and 45 females with a mean age of 62 years.

The lesion diameter was ≤2 cm in 24 patients and >2 cm in 64 patients.

The lesion was in the eloquent region in 16 patients.

Overall, 56, 21, 5, and 3 patients were diagnosed with glial tumor, lymphoma, abscess, and metastasis, respectively, and 1 patient each with acute myeloid leukemia, radiation necrosis, and nonneoplastic neuroglial tissue was observed as a pathological result.