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CC BY-NC-ND 4.0 · Avicenna J Med 2022; 12(04): 162-168
DOI: 10.1055/s-0042-1755334
Original Article

Application of Vesical Imaging–Reporting and Data System in Evaluation of Urinary Bladder Cancer Using Multiparametric Magnetic Resonance Imaging: A Hospital-Based Cross-Sectional Study

Rahul Gupta
1   Department of Urology, Government Medical College, Jammu, Jammu and Kashmir, India
,
Manik Mahajan
2   Department of Radio-Diagnosis and Imaging, Government Medical College, Jammu, Jammu and Kashmir, India
,
Poonam Sharma 
3   Department of Pathology, All India Institute of Medical Sciences, Vijaypur, Jammu, Jammu and Kashmir, India
,
Subhash Bhardwaj
4   Department of Pathology, Government Medical College, Jammu, Jammu and Kashmir, India
,
Vikrant Gupta
5   Department of Radiology, Government Medical College, Jammu, Jammu and Kashmir, India
,
Arti Mahajan
6   Department of Anaesthesia, Government Medical College, Jammu, Jammu and Kashmir, India
› Institutsangaben Funding None.
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Abstract

Background Multiparametric magnetic resonance imaging (mp-MRI) of urinary bladder (UB) is a novel imaging to predict detrusor muscle invasion in Bladder cancer (BC). The Vesical Imaging–Reporting and Data System (VI-RADS) was introduced in 2018 to standardize the reporting of BC with mp-MRI and to diagnose muscle invasion. This study was performed to evaluate the role of mp-MRI using VI-RADS to predict muscle invasive BC.

Methods This prospective study was carried from June 2020 to May 2021 in a tertiary care institute. Thirty-six patients with untreated BC underwent mp-MRI followed by transuretheral resection of the tumor (TURBT). Mp-MRI findings were evaluated by two radiologists and BC was categorized according to VI-RADS scoring system. Resected tumors along with separate biopsy from the base were reported by two pathologists. Histopathological findings were compared with VI-RADS score and the performance of VI-RADS for determining detrusor muscle invasion was analyzed.

Results VI-RADS scores of 4 and 5 were assigned to 9 (25%) and 15 (41.7%) cases, respectively, while 4 (13.3%) cases had VI-RADS score 3 on mp-MRI. VI-RADS 1 and 2 lesions were observed in six (16.7%) and two (5.5%) cases, respectively. On histopathology, 23 cases (63.9%) had muscle-invasive cancer and 13 cases (36.1%) had non–muscle-invasive cancer. The sensitivity and diagnostic accuracy of mp-MRI in predicting muscle invasive BC was 95.6 and 80.6%, respectively.

Conclusion Mp-MRI has high sensitivity and diagnostic accuracy in predicting muscle invasive BC and should be advocated for evaluation of BC prior to surgery.

Keywords

bladder cancer - multiparametric - magnetic resonance imaging - detrusor - staging

Note

The study was performed at the Government Medical College, Jammu.


Ethical Approval

The study was approved by Institutional Ethics Committee of the Hospital (IRB Number: IEC/GMC/Cat A/2020/157).




Publikationsverlauf

Artikel online veröffentlicht:
15. September 2022

© 2022. Syrian American Medical Society. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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