Table 1 Incidence of hemorrhage and outcomes after stereotactic needle biopsy. Detectable hemorrhage was defined as a hematoma diameter greater than 5 mm regardless of location. Uncertain was defined as a high-density area on CT scan measuring less than 5 mm in diameter
Incidence of hemorrhage | No. of patients(%) | |
|---|---|---|
Detectable hemorrhage (149/3196, 4.66%) | Uncertain (45/3196, 1.41%) | |
Location (%) | ||
Punctuate site only | 0 (0) | 45 (1.41) |
Trajectory restricted | 131 (4.10) | 0 (0) |
Extension to ventricular or subarachnoid space | 18 (0.56) | 0 (0) |
Intraoperative bleeding and treatment (%) | 36 (1.13) | 33 (1.01) |
Symptomatic deficit (%) | 46 (1.44) | 0 (0) |
Craniotomy (%) | 15 (0.48) | 0 (0) |
Death (%) | 9 (0.28) | 0 (0) |