1Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
2Department of Pathology, Okayama University Hospital, Okayama, Japan
Copyright © 2019 Korean Society of Gastrointestinal Endoscopy
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Conflicts of Interest: Hirofumi Inoue collaborated with Murazumi Industrial Co. Ltd., but had no patent rights or financial relationship. Other authors have no financial conflicts of interest.
Author Contributions
Conceptualization: Ryo Harada, Hironari Kato, Hiroyuki Okada
Data curation: RH, Yutaka Akimoto, Shigeru Horiguchi
Investigation: Daisuke Uchida, YA, Kazuyuki Matsumoto, Yasuhiro Noma, Naoki Yamamoto, SH, Koichiro Tsutsumi
Methodology: Soichiro Fushimi, Hirofumi Inoue
Project administration: SF, HI
Writing-original draft: RH
Writing-review&editing: RH, HK, SF, Takeshi Tomoda
Back light system used |
Back light system not used |
|||||
---|---|---|---|---|---|---|
1st pass | 2nd pass | Total | 1st pass | 2nd pass | Total | |
Adequate | 24 | 28 | 52 | 27 | 27 | 54 |
Inadequate | 16 | 12 | 28 | 13 | 13 | 26 |
└────────────┘ | ||||||
p=0.88 |
Adequate by cytopathology |
Total |
||
---|---|---|---|
Yes | No | ||
Yes | 49 | 10 | 59 |
No | 9 | 12 | 21 |
Total | 58 | 22 | 80 |
Kappa coefficient | 0.40 |
Adequate by cytopathology |
Total |
||
---|---|---|---|
Yes | No | ||
Yes | 39 | 5 | 44 |
No | 22 | 14 | 36 |
Total | 61 | 19 | 80 |
Kappa coefficient | 0.29 |
Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) |
---|---|---|---|---|
98.7 | 100 | 100 | 83.3 | 98.8 |
74/75 | 5/5 | 74/74 | 5/6 | 79/80 |
Characteristic | Value |
---|---|
No. of patients | 80 |
Age, yr; median (IQR) | 68 (60–73) |
Sex (male/female) | 50/30 |
BMI, median (IQR) | 21.1 (19.0–22.8) |
ASA classification (1/2) | 31/49 |
Location (head/body/tail) | 38/25/17 |
Long axis, mm; median (IQR) | 27 (17–38) |
Short axis, mm; median (IQR) | 20 (15–27) |
Endoscopic ultrasound-guided fine needle aspiration (per lesion) | |
Feasibility, n (%) | 80 (100) |
No. of passes, median (IQR) | 3 (2–4) |
Fine needle aspiration site, n (%) | |
Stomach | 45 (56) |
Duodenum | 35 (44) |
Back light system used |
Back light system not used |
|||||
---|---|---|---|---|---|---|
1st pass | 2nd pass | Total | 1st pass | 2nd pass | Total | |
Adequate | 24 | 28 | 52 | 27 | 27 | 54 |
Inadequate | 16 | 12 | 28 | 13 | 13 | 26 |
└────────────┘ | ||||||
p=0.88 |
Adequate by cytopathology |
Total |
||
---|---|---|---|
Yes | No | ||
Yes | 49 | 10 | 59 |
No | 9 | 12 | 21 |
Total | 58 | 22 | 80 |
Kappa coefficient | 0.40 |
Adequate by cytopathology |
Total |
||
---|---|---|---|
Yes | No | ||
Yes | 39 | 5 | 44 |
No | 22 | 14 | 36 |
Total | 61 | 19 | 80 |
Kappa coefficient | 0.29 |
Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) |
---|---|---|---|---|
98.7 | 100 | 100 | 83.3 | 98.8 |
74/75 | 5/5 | 74/74 | 5/6 | 79/80 |
ASA, American Society of Anesthesiologists; BMI, body mass index; IQR, interquartile range.
Adequate was defined as a grade of 1 or 2.
Predicted to be adequate by an endosonographer with the use of the back light system.
Predicted to be adequate by an endosonographer without the use of the back light system.
NPV, negative predictive value; PPV, positive predictive value.