Detection rates, sensitivity, and specificity of multislice spiral computed tomography, 1.5T and 3.0T magnetic resonance imaging in anal fistula diagnosis

doi:10.4240/wjgs.v18.i4.115864

Advanced Search

BPG is committed to discovery and dissemination of knowledge

Home / Archive / Volume 18, Issue 4

This Article

(23)

(39)

(0)

(614)

Peer-Review Report of This Article

CrossCheck and Google Search of This Article

Academic Rules and Norms of This Article

Citation of this article

Corresponding Author of This Article

Research Domain of This Article

Article-Type of This Article

Open-Access Policy of This Article

Times Cited Counts in Google of This Article

Journal Information of This Article

Publication Name

World Journal of Gastrointestinal Surgery

ISSN

1948-9366

Publisher of This Article

Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastrointest Surg. Apr 27, 2026; 18(4): 115864
Published online Apr 27, 2026. doi: 10.4240/wjgs.v18.i4.115864

Table 4 Diagnostic performance of multislice spiral computed tomography, 1.5T magnetic resonance imaging, and 3.0T magnetic resonance imaging

Modality	Finding	Sensitivity	Specificity	PPV	NPV	Diagnostic accuracy	Youden index
MSCT	Internal opening	92.00% (23/25)	72.22% (13/18)	82.14% (23/28)	86.67% (13/15)	83.72% (36/43)	0.64
	Primary tract	92.30% (24/26)	73.68% (14/19)	82.76% (24/29)	87.50% (14/16)	84.44% (38/45)	0.66
	Abscess	88.89% (8/9)	75.00% (3/4)	88.89% (8/9)	75.00% (3/4)	84.61% (11/13)	0.69
1.5T MRI	Internal opening	90.69% (39/43)	75.86% (22/29)	84.78% (39/46)	84.62% (22/26)	84.72% (61/72)	0.67
	Primary tract	95.24% (40/42)	75.00% (21/28)	85.11% (40/47)	91.30% (21/23)	87.14% (61/70)	0.7
	Abscess	100.00% (14/14)	80.00% (8/10)	87.50% (14/16)	100.00% (8/8)	91.67% (22/24)	0.8
3.0T MRI	Internal opening	98.11% (52/53)^a	92.59% (25/27)^a	96.30% (52/54)^a	96.15% (25/26)^a	96.25% (77/80)^a	0.91^a
	Primary tract	98.18% (54/55)^a	96.00% (24/25)^a	98.18% (54/55)^a	96.00% (24/25)^a	97.50% (78/80)^a	0.94^a
	Abscess	100.00% (17/17)	96.00% (24/25)^a	94.44% (17/18)^a	100.00% (24/24)	97.62% (41/42)	0.96^a

^aP < 0.05 vs multislice spiral computed tomography and 1.5T magnetic resonance imaging.

MSCT: Multislice spiral computed tomography; MRI: Magnetic resonance imaging; PPV: Positive predictive value; NPV: Negative predictive value.

Full Size Table

Citation: Tang JJ, Wang TH, Jia XF. Detection rates, sensitivity, and specificity of multislice spiral computed tomography, 1.5T and 3.0T magnetic resonance imaging in anal fistula diagnosis. World J Gastrointest Surg 2026; 18(4): 115864
URL: https://www.wjgnet.com/1948-9366/full/v18/i4/115864.htm
DOI: https://dx.doi.org/10.4240/wjgs.v18.i4.115864

Tang JJ, Wang TH, Jia XF. Detection rates, sensitivity, and specificity of multislice spiral computed tomography, 1.5T and 3.0T magnetic resonance imaging in anal fistula diagnosis. World J Gastrointest Surg 2026; 18(4): 115864 [DOI: 10.4240/wjgs.v18.i4.115864]

All content on this site: Copyright © 1993-2026 Baishideng Publishing Group Inc, its licensors, and contributors. All rights are reserved, including those for text and data mining, AI training, and similar technologies. For all open access content, the relevant licensing terms apply.