دورية أكاديمية
A standardized method to measure the membranous urethral length (MUL) on MRI of the prostate with high inter- and intra-observer agreement.
العنوان: | A standardized method to measure the membranous urethral length (MUL) on MRI of the prostate with high inter- and intra-observer agreement. |
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المؤلفون: | Veerman H; Department of Urology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066CX, Amsterdam, the Netherlands. h.veerman@nki.nl.; Department of Urology, Amsterdam University Medical Centers location Boelelaan, Amsterdam, the Netherlands. h.veerman@nki.nl.; Prostate Cancer Network Netherlands, Amsterdam, the Netherlands. h.veerman@nki.nl., Hagens MJ; Department of Urology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066CX, Amsterdam, the Netherlands.; Department of Urology, Amsterdam University Medical Centers location Boelelaan, Amsterdam, the Netherlands.; Prostate Cancer Network Netherlands, Amsterdam, the Netherlands., Hoeks CM; Department of Radiology, Diakonessenhuis Utrecht, Utrecht, the Netherlands., van der Poel HG; Department of Urology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066CX, Amsterdam, the Netherlands.; Department of Urology, Amsterdam University Medical Centers location Boelelaan, Amsterdam, the Netherlands.; Prostate Cancer Network Netherlands, Amsterdam, the Netherlands., van Leeuwen PJ; Department of Urology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Plesmanlaan 121, 1066CX, Amsterdam, the Netherlands.; Prostate Cancer Network Netherlands, Amsterdam, the Netherlands., Vis AN; Department of Urology, Amsterdam University Medical Centers location Boelelaan, Amsterdam, the Netherlands.; Prostate Cancer Network Netherlands, Amsterdam, the Netherlands., Heijmink SWTJP; Department of Radiology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands., Schoots IG; Department of Radiology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands.; Department of Radiology, Erasmus Medical Center, Rotterdam, the Netherlands., de Haan MC; Department of Radiology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands., Boellaard TN; Department of Radiology, Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, the Netherlands. |
المصدر: | European radiology [Eur Radiol] 2023 May; Vol. 33 (5), pp. 3295-3302. Date of Electronic Publication: 2022 Dec 13. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Springer International Country of Publication: Germany NLM ID: 9114774 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-1084 (Electronic) Linking ISSN: 09387994 NLM ISO Abbreviation: Eur Radiol Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: Berlin : Springer International, c1991- |
مواضيع طبية MeSH: | Prostate*/diagnostic imaging , Prostate*/pathology , Prostatic Neoplasms*/diagnostic imaging , Prostatic Neoplasms*/surgery , Prostatic Neoplasms*/pathology, Male ; Humans ; Retrospective Studies ; Observer Variation ; Urethra/diagnostic imaging ; Prostatectomy/methods ; Magnetic Resonance Imaging/methods |
مستخلص: | Objectives: The membranous urethral length (MUL), defined as the length between the apex and penile base as measured on preoperative prostate magnetic resonance imaging (MRI), is an important predictor for urinary incontinence after radical prostatectomy. Literature on inter- and intra - observer agreement of MUL measurement is limited. We studied the inter- and intra-observer agreement between radiologists using a well-defined method to measure the MUL on the prostate MRI. Methods: Prostate cancer patients underwent a preoperative MRI and robot-assisted radical prostatectomy (RARP) at one high-volume RARP center. MUL measurement was based on well-defined landmarks on sagittal T2-weighted (anatomical) images. Three radiologists independently performed MUL measurements retrospectively in 106 patients blinded to themselves, to each other, and to clinical outcomes. The inter- and intra-observer agreement of MUL measurement between the radiologists were calculated, expressed as intra-class correlation coefficient (ICC). Results: The initial inter-observer agreement was ICC 0.63; 95% confidence interval (CI) 0.28-0.81. Radiologist 3 measured the MUL mean 3.9 mm (SD 3.3) longer than the other readers, interpreting the caudal point of the MUL (penile base) differently. After discussion on the correct anatomical definition, radiologist 3 re-assessed all scans, which resulted in a high inter-observer agreement (ICC 0.84; 95% CI 0.66-0.91). After a subsequent reading by radiologists 1 and 2, the intra-observer agreements were ICC 0.93; 95% CI 0.89-0.96, and ICC 0.98; 95% CI 0.97-0.98, respectively. Limitation is the monocenter design. Conclusions: The MUL can be measured reliably with high agreement among radiologists. Key Points: • After discussion on the correct anatomical definition, the inter- and intra - observer agreements of membranous urethral length (MUL) measurement on magnetic resonance imaging (MRI) were high. • A reproducible method to measure the MUL can improve the clinical usefulness of prediction models for urinary continence after RARP which may benefit patient counselling. (© 2022. The Author(s), under exclusive licence to European Society of Radiology.) |
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فهرسة مساهمة: | Keywords: Magnetic resonance imaging; Observer variation; Prostatic neoplasms; Urethra; Urinary incontinence |
تواريخ الأحداث: | Date Created: 20221213 Date Completed: 20230425 Latest Revision: 20230425 |
رمز التحديث: | 20231215 |
DOI: | 10.1007/s00330-022-09320-2 |
PMID: | 36512044 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1432-1084 |
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DOI: | 10.1007/s00330-022-09320-2 |