Inter-Reader Agreement of Multi-Parametric MR Imaging for the Detection of Prostate Cancer: Evaluation of a Scoring System

Quentin, Michael; Arsov, Christian; Röhlen, Shinga; Klasen, Janina; Antoch, Gerald; Albers, Peter; Blondin, D.

doi:10.1055/s-0032-1312876

Cited by 14 publications

(10 citation statements)

References 18 publications

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“…Our study also confirmed previous results by Schimmöller et al 25 and Quentin et al, 26 who have shown that the PI-RADS scoring system has good to moderate interrater agreement.…”

Section: Resultssupporting

confidence: 92%

Multiparametric Prostate Magnetic Resonance Imaging at 3 T

Platzek¹,

Borkowetz²,

Toma³

et al. 2015

Journal of Computer Assisted Tomography

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“…Our study also confirmed previous results by Schimmöller et al 25 and Quentin et al, 26 who have shown that the PI-RADS scoring system has good to moderate interrater agreement.…”

Section: Resultssupporting

confidence: 92%

Multiparametric Prostate Magnetic Resonance Imaging at 3 T

Platzek¹,

Borkowetz²,

Toma³

et al. 2015

Journal of Computer Assisted Tomography

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“…Turbo spin echo sequences were used to acquire T2-weighted images in standard orthogonal planes: axial (TR, 10 3). For axial diffusion-weighted imaging (DWI), a single-shot spin-echo echo-planar sequence was used (TR, 4,600 ms; TE, 90 ms; FOV, 20.4 cm; voxel size, 1.5 Â 1.5 Â 3.0 mm; image matrix, 136 Â 136; using GRAPPA parallel imaging scheme with acceleration factor 2; scan time, 7:12 min).…”

Section: Mr Techniquesmentioning

confidence: 99%

“…The mean score of all lesions for T2-weighted images was 3.56 AE 0.86 (range, [1][2][3][4][5]. For DWI the mean score was 3.10 AE 1.38 (range, 1-5), and for DCE-MRI the mean score was 3.34 AE 1.29 (range, 1-5).…”

Section: Scoring: Different Sequencesmentioning

confidence: 99%

“…The lately published ESUR guidelines of prostate MRI contain a scoring system named PI-RADS (prostate imaging, reporting, and data system) (2). It has previously been found that using a 5-point scoring system based on the recommendations of the consensus comes along with a high inter-reader reliability (3). In a pilot study with a smaller patient population this scoring system has been assessed by our group in clinical routine (4).…”

Section: Introductionmentioning

confidence: 99%

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3-T in-bore MR-guided prostate biopsy based on a scoring system for target lesions characterization

et al. 2013

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“…We found good interobserver agreement for the detection of high-grade prostate cancers by MRI, suggesting that our results are reproducible in this clinical setting. The implementation of multiparametric MRI and structured, standardized reporting could further increase interobserver agreement [22]. It must be noted, however, that all three readers were experienced in interpreting conventional endorectal prostate MRI, and experience has been found to be crucial for the diagnostic accuracy of prostate MRI [23].…”

Section: Figmentioning

confidence: 99%

Role of Endorectal Prostate MRI in Patients with Initial Suspicion of Prostate Cancer

Franiel

Vargas

Mazaheri

et al. 2013

Fortschr Röntgenstr

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Purpose: To evaluate the role of conventional endorectal prostate MRI in patients with initial suspicion of prostate cancer. Materials and Methods: Ethics board approval was received for this retrospective study of 87?men who underwent 1.5-Tesla conventional prostate MRI with a combination of endorectal and body phased-array coils for suspected prostate cancer before their first systematic 12-core TRUS-guided biopsy. Three radiologists independently analyzed the images, dividing the prostate into 12 regions corresponding to the biopsy scheme and scoring each region for the presence of prostate cancer on a 5-point scale. Results were analyzed by prostate region. ROC analysis was done and descriptive statistics were calculated. The negative predictive value, specificity, sensitivity and positive predictive value were calculated using dichotomized scores (benign tissue?= scores of 1 and 2; malignant tissues?=?scores of 3, 4, and 5). Results: Biopsy revealed cancer in 47/87 patients (26 low-grade [Gleason score 6]; 21 high-grade [Gleason score ??3?+?4]), and 184/1044 cores (77?low-grade and 107 high-grade) with a median of 3 positive cores per cancer patient (range 1???12). The areas under ROC curves were 0.65???0.67 for cancer detection by region overall and 0.75???0.76 for the detection of high-grade cancer by region. Statistic figures for the detection of all cancers/high-grade cancers by region were as follows: negative predictive value, 87.4???88.2?%/92.6???93.1?%; specificity, 72.3???79.4?%/71.5???79.8?%; sensitivity, 49.5???54.8?%/62.6???69.2?%; and positive predictive value, 29.3???34.0?%/29.4???34.7?%. Conclusion: In patients with suspected prostate cancer, negative MRI findings indicate the absence of high-grade prostate cancer on subsequent TRUS-guided 12-core biopsy with high probability. However, agreement between conventional 1.5-T endorectal prostate MRI and systematic 12-core TRUS-guided biopsy for the detection of prostate cancer appears to be moderate. Citation Format:

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Inter-Reader Agreement of Multi-Parametric MR Imaging for the Detection of Prostate Cancer: Evaluation of a Scoring System

Abstract: The use of a simple 5-point scoring system for T2-weighted images, DWI, and DCE-MRI is feasible in functional prostate MRI and has high inter-observer reliability.

Cited by 14 publications

References 18 publications

Multiparametric Prostate Magnetic Resonance Imaging at 3 T

Multiparametric Prostate Magnetic Resonance Imaging at 3 T

3-T in-bore MR-guided prostate biopsy based on a scoring system for target lesions characterization

Role of Endorectal Prostate MRI in Patients with Initial Suspicion of Prostate Cancer

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