Table 3. Imaging features of patients.
Imaging feature | Values |
---|---|
Margin | |
Clear | 28/34 (82.4) |
Unclear | 6/34 (17.6) |
T1WI | |
Hyperintensity signal | 34/34 (100.0) |
Thin hypodense bands | 25/34 (73.5) |
T2WI and fat-suppressed sequence | |
Hyperintensity signal | 34/34 (100.0) |
Thin hypodense bands | 25/34 (73.5) |
Enhancement pattern | |
Intense | 23/23 (100.0) |
Homogeneous | 19/23 (82.6) |
Peripheral | 4/23 (17.4) |
Flow voids | 32/34 (94.1) |
Intra-/peri-tumoral vessels | 34/34 (100.0) |
Value of CT artery phase (HU) | 140.5±14.5 [120, 161] |
DCE parameters | |
Time to peak (s) | 155.5±145.38 [48.1, 262.9] |
Wash-in rate (L/s) | 32.30±34.79 [5.4, 59.2] |
Wash-out rate (L/s) | 2.70±2.97 [0.2, 5.3] |
Maximum enhancement (%) | 945.55±313.88 [723.6, 1,667.6] |
Maximum relative enhancement (%) | 223.2 [155.0, 291.4] |
ADC value (×10–3 mm2/s) | 0.86±0.07 [0.6, 1.4] |
Size (cm) | 8.70±3.96 [3.0, 19.4] |
Data are presented as number of tumors/total number (%), mean ± SD [range] or median [interquartile range]. T1WI, T1-weighted imaging; T2WI, T2-weighted imaging; CT, computed tomography; HU, Hounsfield unit; DCE, dynamic contrast enhanced; ADC, apparent diffusion coefficient; SD, standard deviation.