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©The Author(s) 2016.
World J Gastroenterol. Mar 28, 2016; 22(12): 3381-3391
Published online Mar 28, 2016. doi: 10.3748/wjg.v22.i12.3381
Published online Mar 28, 2016. doi: 10.3748/wjg.v22.i12.3381
Table 1 Characteristics of the patients in the primary analysis
| Sex (M:F) | 68:35 | |
| Median age | 65 (35-82) | |
| Median size (long axis × short axis) (mm) | 18 (8-60) × 9 (4-42) | |
| Final diagnosis (n) | Pancreatic carcinoma | 67 |
| Bile duct carcinoma | 21 | |
| Gallbladder carcinoma | 11 | |
| Ampullary carcinoma | 4 | |
Table 2 Sensitivity, specificity, and accuracy with which CH-endoscopic ultrasonography, color Doppler endoscopic ultrasonography, and the standard endoscopic ultrasonography variables differentiate malignant from benign lymph nodes
| Sensitivity (95%CI) | Specificity (95%CI) | Accuracy (95%CI) | P value1 | |
| Short axis 13 mm or longer | 72% (34/47) (62-81) | 85% (74/87) (79-90) | 81% (108/134) (73-86) | 0.27 |
| Long axis 20 mm or longer | 72% (34/47) (61-82) | 63% (55/87) (57-68) | 66% (89/134) (59-73) | 0.001 |
| Round shape | 62% (29/47) (51-72) | 75% (65/87) (69-80) | 70% (94/134) (62-77) | 0.008 |
| Sharp edge | 81% (38/47) (71-89) | 30% (26/87) (24-34) | 48% (64/134) (41-53) | < 0.001 |
| Hypoechogenicity | 66% (31/47) (55-76) | 61% (53/87) (55-66) | 63% (84/134) (55-70) | < 0.001 |
| CIV absent | 70% (33/47) (59-80) | 72% (63/87) (66-78) | 72% (96/134) (64-78) | 0.009 |
| Heterogeneous (CH-EUS) | 83% (39/47) (77-89) | 91% (79/87) (86-94) | 88% (118/134) (82-93) |
Table 3 Number of lymph nodes in the benign and malignant groups that exhibited heterogeneous and homogeneous enhancement on contrast-enhanced harmonic endoscopic ultrasonography
| Number with each enhancement pattern | |||
| Final diagnosis | Heterogeneous | Homogeneous | Total |
| Malignancy | 39 | 8 | 47 |
| Benign | 8 | 79 | 87 |
| Total | 47 | 87 | 134 |
Table 4 Characteristics of the patients in the secondary analysis
| Sex (M:F) | 32:19 | |
| Median age | 66 (37-79) | |
| Median size (long axis × short axis) (mm) | 20 (8-60) × 10 (4-42) | |
| Final diagnosis (n) | Pancreatic carcinoma | 29 |
| Bile duct carcinoma | 12 | |
| Gallbladder carcinoma | 7 | |
| Ampullary carcinoma | 3 | |
- Citation: Miyata T, Kitano M, Omoto S, Kadosaka K, Kamata K, Imai H, Sakamoto H, Nisida N, Harwani Y, Murakami T, Takeyama Y, Chiba Y, Kudo M. Contrast-enhanced harmonic endoscopic ultrasonography for assessment of lymph node metastases in pancreatobiliary carcinoma. World J Gastroenterol 2016; 22(12): 3381-3391
- URL: https://www.wjgnet.com/1007-9327/full/v22/i12/3381.htm
- DOI: https://dx.doi.org/10.3748/wjg.v22.i12.3381