The effectiveness of multiparametric magnetic resonance imaging in bladder cancer (Vesical Imaging-Reporting and Data System): A systematic review

Carando, Roberto; Afferi, Luca; Marra, Giancarlo; Krajewski, Wojciech; Pagliarulo, Vincenzo; Abufaraj, Mohammad; Xylinas, Évanguelos; Cathelineau, Xavier; Sánchez-Salas, Rafael; Moschini, Marco

doi:10.1080/2090598x.2020.1733818

Cited by 13 publications

(11 citation statements)

References 26 publications

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“…Several recent meta-analyses showed that with a score of 3 or 4 as the cut-off value, the VI-RADS scoring system provided good diagnostic performance for evaluating muscle invasion. 12,17,31 The agreement between the two observers in the VI-RADS scoring system was excellent both in the concordant group and discordant group with using high-resolution T2WI, DCE, and rFOV DWI, and this agreed well with previous studies. Wang indicated that the consistency between the two readers was excellent in VI-RADS, while the disagreement mainly occurred in the lesions located in the bladder neck and bilateral ureteral orifices.…”

Section: Discussionsupporting

confidence: 87%

“…5 The aim of this scoring system was to standardize MR imaging and reporting. Many studies and meta-analyses [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21] have validated the diagnostic accuracy of the VI-RADS scoring system in the detection of muscle-invasiveness, underscoring the value of this system in the diagnostic workup and management of patients with BCa. However, scoring of this system is subjective and the position of the tumor may affect its accuracy.…”

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confidence: 99%

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Accuracy and Challenges in the Vesical Imaging‐Reporting and Data System for Staging Bladder Cancer

Meng

Wang

et al. 2022

Magnetic Resonance Imaging

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BackgroundThe Vesical Imaging‐Reporting and Data System (VI‐RADS) scoring system has been widely used to stage bladder cancer (BCa) since 2018.PurposeTo describe the characteristics of cases with discordant T2‐weighted imaging (T2WI) and diffusion‐weighted imaging (DWI) scores in patients with BCa and further verify the accuracy of the VI‐RADS scoring system and the necessity of dynamic contrast‐enhanced (DCE) sequence.Study TypeRetrospective.SubjectsA total of 106 patients (include 16.5% female) with bladder cancer.SequenceT2WI (fast spin echo), DWI (echo planer imaging), and DCE (gradient echo).AssessmentSome cases are difficult to score according to the system, mainly when the T2WI (category 4) and DWI (category 2) sequence scores are discordant, termed the discordant group below. The complementary group will be termed concordant group. Each MRI sequence was reviewed respectively according to the 5‐point VI‐RADS scoring system by three observers. The diagnostic ability of sequences for evaluating muscle invasion by BCa was calculated using histopathology as the reference standards.Statistical TestsReceiver operating characteristic (ROC) curve, DeLong test, intraclass correlation coefficient. A P value of 0.05 or less was considered statistically significant.ResultsFourteen cases (13.2%) had discordant VI‐RADS scoring system. In the discordant group, the area under the ROC curve (AUC) of DCE was 0.875, while the T2WI and DWI showed limited diagnostic performance (AUCs = 0.50). In the concordant group, there was no significant difference in diagnostic efficacy between the overall VI‐RADS (AUC: 0.950) and the combination of T2WI and DWI (AUC: 0.946) (P = 0.56). Among all patients, the AUC of overall VIRADS was 0.939 with a 3 or greater cutoff value.Data conclusionThe DCE was crucial in the discordant group for evaluating muscle‐invasiveness, while DCE may not be necessary for the concordant group. The VI‐RADS scoring system performed with overall good diagnostic performance in evaluating muscle‐invasiveness in BCa patients.Evidence Level4Technical EfficacyStage 3

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Section: Discussionsupporting

confidence: 87%

mentioning

confidence: 99%

Accuracy and Challenges in the Vesical Imaging‐Reporting and Data System for Staging Bladder Cancer

Meng

Wang

et al. 2022

Magnetic Resonance Imaging

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“…The results obtained in the studies indicate that the standardizing VI-RADS is an effective comprehensive scoring system, with a high satisfactory sensitivity, specificity, and diagnostic value for determining the probability of invasion of the bladder detrusor muscle invasion in bladder cancer (6,19,20).…”

Section: Diagnostic Performance Of Vi-radsmentioning

confidence: 91%

“…There is an agreement between authors of many studies that there is a need to test mpMRI in clinical practice before it could be established as a crucial part of bladder cancer management (6,20,24,25,26,27).…”

Section: Disadvantages Of Vi-radsmentioning

confidence: 99%

“…Studies evaluating the inter-readers agreement highlight potential problems and pitfalls in image interpretation, especially those not mentioned in the original VI-RADS criteria. Assessment of tumors located around bladder cervical orifice, bilateral ureteral orifices (18) and in the bladder triangle (20) is problematic, then there may be differences in scores on different planes and there has been some disagreement between readers in study (6). Further studies should determine whether this is associated with the special anatomical features of the bladder neck and ureteral orifices (6).…”

Section: The Inter-readers Agreementmentioning

confidence: 99%

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The role of multiparametric magnetic resonance in bladder cancer management

Kuźlik-Gołębiowska

Jurkowska

Gołębiowski

et al. 2021

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Multiparametric magnetic resonance imaging with VI-RADS is a newly discussed method of diagnosing bladder cancer. There are more studies suggesting implementation of mpMRI with VI-RADS to the modern scheme of treating bladder cancer. It requires much more observation and trials to give a final recommendations. The aim of the summary is to present VI-RADS scale and possibilities that appear with the method. Many studies, that were made by departments of urology or radiology, showed promising results. Background: estimation of bladder cancer depends on proper tumor staging, grading and assessment of its biological potential. It is provided by a multimodal approach using clinical, histopathological and radiological methods. Development of MRI provides the best imaging technique for locoregional staging in several other tumors. Lately it was adjusted in BCa preoperative evaluation leading to significant improvement in differentiating patients with NMIBCs and MIBCs. Objective: this article aims to approximate the fundamentals of MRI in BCa and to provide an overview of the available data on the role of VI-RADS score in the diagnostic pathway of bladder cancer.

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Detecting Muscle Invasion of Bladder Cancer: An Application of Diffusion Kurtosis Imaging Ratio and Vesical Imaging‐Reporting and Data System

Qin,

Tian,

Zhou

et al. 2023

Magnetic Resonance Imaging

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BackgroundIndependent factors are needed to supplement vesical imaging‐reporting and data system (VI‐RADS) to improve its ability to identify muscle invasive bladder cancer (MIBC).PurposeTo assess the correlation between MIBC and diffusion kurtosis imaging (DKI) ratio, VI‐RADS, and other factors (such as tumor location).Study TypeRetrospective.PopulationSixty‐eight patients (50 males and 18 females; age: 70.1 ± 9.5 years) with bladder urothelial carcinoma.Field Strength/Sequence1.5 T, conventional diffusion‐weighted imaging (DWI), and DKI (single shot echo‐planar sequence).AssessmentThree radiologists independently measured the diffusion parameters of each bladder cancer (BCa) and obturator internus, including the mean apparent diffusion coefficient (ADCmean), mean kurtosis (MK), and mean diffusion (MD). And the ratio of diffusion parameters between BCa and obturator internus was calculated (diffusion parameter ratio = bladder cancer:obturator internus). Based on the VI‐RADS, the target lesions were independently scored. Furthermore, the actual tumor‐wall contact length (ACTCL) and absolute tumor‐wall contact length (ABTCL) were measured.Statistical TestsMulticollinearity among independent variables was evaluated using the variance inflation factor (VIF). Multivariable logistic regression analysis was used to determine the independent risk factors of MIBC. The receiver operating characteristic curve was used to evaluate the efficacy of each variable in detecting MIBC. The DeLong test was used to compare the area under the curve (AUC). A P < 0.05 was considered statistically significant.ResultsMKratio (median: 0.62) and VI‐RADS were independent risk factors for MIBC. AUCs for MKratio, VI‐RADS, and MKratio combined with VI‐RADS in assessing MIBC were 0.895, 0.871, and 0.973, respectively. MKratio combined with VI‐RADS was more effective in diagnosing MIBC than VI‐RADS alone.Data ConclusionsMKratio has potential to assist the assessment of MIBC. MKratio can be used as a supplement to VI‐RADS for detecting MIBC.Level of Evidence4Technical EfficacyStage 2

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The effectiveness of multiparametric magnetic resonance imaging in bladder cancer (Vesical Imaging-Reporting and Data System): A systematic review

Cited by 13 publications

References 26 publications

Accuracy and Challenges in the Vesical Imaging‐Reporting and Data System for Staging Bladder Cancer

Accuracy and Challenges in the Vesical Imaging‐Reporting and Data System for Staging Bladder Cancer

The role of multiparametric magnetic resonance in bladder cancer management

Detecting Muscle Invasion of Bladder Cancer: An Application of Diffusion Kurtosis Imaging Ratio and Vesical Imaging‐Reporting and Data System

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