Research Article
Intraoperative Ultrasound Staging for Colorectal Liver Metastases in the Era of Liver-Specific Magnetic Resonance Imaging: Is It Still Worthwhile?
Table 2
Details of new CRLMs intraoperatively found in the whole population and in patients who did not receive preoperative chemotherapy.
| | New CRLM Features | Whole population (n = 317) | Patients without chemotherapy (n = 31) |
| | Diameter (mm), median ± SD | 6 ± 2.5 | 5 ± 2.3 | | Number per patients, median (range) | 1 (1–9) | 1 (1–6) | | US aspect | | Hypoechoic, n (%) | 245 (77.3) | 27 (87) | | Hyperechoic, n (%) | 46 (14.5) | 1 (9.6) | | Isoechoic, n (%) | 11 (3.4) | 1 (3.2) | | Location subglissonian, n (%) | 75 (23.6) | 6 (19.3) | | New CRLMs identified by CE-IOUS, n (%) | 19 (5.9) | 2 (6.4) | | New CRLMs identified by indirect signs, n (%) | 12 (3.8) | 1 (3.2) |
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