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©2009 The WJG Press and Baishideng.
World J Gastroenterol. May 21, 2009; 15(19): 2361-2366
Published online May 21, 2009. doi: 10.3748/wjg.15.2361
Published online May 21, 2009. doi: 10.3748/wjg.15.2361
Table 1 Histological diagnosis and size of polypoid gallbladder lesions in the surgical series (n)
Size (mm) | Cholesterol | Adenomyomatosis | Inflammatory | Adenoma | Cancer | Total |
5-10 | 39 | 9 | 0 | 10 | 0 | 58 |
11-15 | 14 | 7 | 1 | 3 | 1 | 26 |
16-20 | 3 | 1 | 1 | 4 | 1 | 10 |
Table 2 EUS and US diagnosis of polypoid gallbladder lesions in the surgical series
Pathologic diagnosis (n) | ||||
Cholesterol polyp | Adenomyomatosis | Inflammatory polyp | Neoplastic lesions | |
EUS diagnosis | ||||
Cholesterol | 47 | 4 | 0 | 7 |
Adenomayomatosis | 0 | 11 | 1 | 0 |
Neoplastic lesion | 9 | 2 | 1 | 12 |
US diagnosis | ||||
Cholesterol | 41 | 8 | 0 | 10 |
Adenomayomatosis | 0 | 4 | 1 | 0 |
Neoplastic lesion | 15 | 5 | 1 | 9 |
Table 3 EUS and US diagnosis according to the size of the polypoid gallbladder lesion
Pathology (n) | ||||||
Cholesterol | Adenomyomatosis | Neoplastic lesion | ||||
Size (mm) | 5-10 | 11-20 | 5-10 | 11-20 | 5-10 | 11-20 |
EUS | ||||||
Cholesterol | 33 | 14 | 0 | 0 | 6 | 3 |
Adenomyomatosis | 6 | 0 | 4 | 7 | 1 | 1 |
Inflammatory | 0 | 0 | 0 | 1 | 0 | 1 |
Neoplastic lesions | 4 | 1 | 0 | 0 | 4 | 8 |
US | ||||||
Cholesterol | 32 | 9 | 0 | 0 | 7 | 8 |
Adenomyomatosis | 7 | 1 | 1 | 3 | 1 | 4 |
Inflammatory | 0 | 0 | 0 | 1 | 0 | 1 |
Neoplastic lesions | 8 | 2 | 0 | 0 | 2 | 7 |
Table 4 Differential diagnosis between neoplastic and benign polyps by EUS and US
Diagnosis by postoperative histological examination | ||
Neoplastic polyp | Non-neoplastic polyp | |
Diagnosis by EUS | ||
Neoplastic polyps | 12 | 12 |
Non-neoplastic polyps | 6 | 64 |
Diagnosis by US | ||
Neoplastic polyps | 9 | 21 |
Non-neoplastic polyps | 10 | 54 |
Table 5 Sensitivity, specificity, and accuracy of EUS and US diagnoses for neoplastic lesions according to the size of the polypoid gallbladder lesion (%)
Sensitivity | Specificity | PPV | NPV | Accuracy | |
EUS | |||||
Overall | 66.7 | 84.2 | 50.0 | 91.4 | 80.9 |
5-10 mm | 44.4 | 86.0 | 36.4 | 89.6 | 79.7 |
11-20 mm | 88.9 | 81.5 | 61.5 | 95.7 | 83.3 |
US | |||||
Overall | 47.4 | 72.0 | 30.0 | 84.4 | 67.0 |
5-10 mm | 20.0 | 83.3 | 20.0 | 83.3 | 72.4 |
11-20 mm | 77.8 | 51.9 | 35.0 | 87.5 | 63.9 |
- Citation: Cheon YK, Cho WY, Lee TH, Cho YD, Moon JH, Lee JS, Shim CS. Endoscopic ultrasonography does not differentiate neoplastic from non-neoplastic small gallbladder polyps. World J Gastroenterol 2009; 15(19): 2361-2366
- URL: https://www.wjgnet.com/1007-9327/full/v15/i19/2361.htm
- DOI: https://dx.doi.org/10.3748/wjg.15.2361