Table 3 Brain hematomas gross pathology (61 patients)
From: Gross pathology of brain mass lesions by intraoperative ultrasonography: a comparative study
Parameters | Preoperative CT | Preoperative MRI T1 | IOUS | P |
|---|---|---|---|---|
Shape | ||||
Round | 7 (11.5%) | 7 (11.5%) | 7 (11.5%) | 1 |
Oval | 22 (36%) | 22 (36%) | 22 (36%) | |
Irregular | 32 (52.5%) | 32 (52.5%) | 32 (52.5%) | |
Diameter in centimeter | ||||
Median (range) | 5 (2.5–8) | 5.5 (2.7–8.1) | 5.7 (2.9–8.8) | 0.001* |
Well-defined edge | 61 (100%) | 61 (100%) | 61 (100%) | 1 |
Edema | 20 (32.8%) | 20 (32.8%) | 20 (32.8%) | 1 |
Color | ||||
Acute ≤ 2 days | Hyper-dense | Hypo-intense T1, T2 | Hyper-echoic | |
Early sub-acute 3–7 days | Mixed | Hyper-intense T1 | Mixed | |
Late sub-acute 8- 60 days | Iso or hypo-dense | Hyper-intenseT1, T2 | Hypo-echoic | |
Chronic > 60 days | Hypo-dense | Hypo-intenseT1, T2 | ||