دورية أكاديمية
أعرض في EDS

Evaluation of inter- and intra-observer variations in prostate gland delineation using CT-alone versus CT/TPUS.

التفاصيل البيبلوغرافية
العنوان: Evaluation of inter- and intra-observer variations in prostate gland delineation using CT-alone versus CT/TPUS.
المؤلفون: Lim VT; Health and Social Sciences, Singapore Institute of Technology, Singapore., Gacasan AC; Health and Social Sciences, Singapore Institute of Technology, Singapore., Tuan JKL; Division of Radiation Oncology, National Cancer Centre Singapore, Singapore.; Duke-NUS Graduate Medical School, Singapore., Tan TWK; Division of Radiation Oncology, National Cancer Centre Singapore, Singapore.; Duke-NUS Graduate Medical School, Singapore., Li Y; Division of Radiation Oncology, National Cancer Centre Singapore, Singapore.; Duke-NUS Graduate Medical School, Singapore., Nei WL; Division of Radiation Oncology, National Cancer Centre Singapore, Singapore.; Duke-NUS Graduate Medical School, Singapore., Looi WS; Division of Radiation Oncology, National Cancer Centre Singapore, Singapore.; Duke-NUS Graduate Medical School, Singapore., Lin X; Division of Radiation Oncology, National Cancer Centre Singapore, Singapore., Tan HQ; Division of Radiation Oncology, National Cancer Centre Singapore, Singapore., Chua EC; Health and Social Sciences, Singapore Institute of Technology, Singapore., Pang EPP; Division of Radiation Oncology, National Cancer Centre Singapore, Singapore.; Health and Social Sciences, Singapore Institute of Technology, Singapore.
المصدر: Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology [Rep Pract Oncol Radiother] 2022 Mar 22; Vol. 27 (1), pp. 97-103. Date of Electronic Publication: 2022 Mar 22 (Print Publication: 2022).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Via Medica Country of Publication: Poland NLM ID: 100885761 Publication Model: eCollection Cited Medium: Print ISSN: 1507-1367 (Print) Linking ISSN: 15071367 NLM ISO Abbreviation: Rep Pract Oncol Radiother Subsets: PubMed not MEDLINE
أسماء مطبوعة: Publication: 2021- : Gdańsk, Poland : Via Medica
Original Publication: Poznań : Greatpoland Cancer Center and Polish Society of Radiation Oncology, 1998-
مستخلص: Background: This study aims to explore the role of four-dimensional (4D) transperineal ultrasound (TPUS) in the contouring of prostate gland with planning computed tomography (CT) images, in the absence of magnetic resonance imaging (MRI).
Materials and Methods: Five radiation oncologists (ROs) performed two rounds of prostate gland contouring (single-blinded) on CT-alone and CT/TPUS datasets obtained from 10 patients who underwent TPUS-guided external beam radiotherapy. Parameters include prostate volume, DICE similarity coefficient (DSC) and centroid position. Wilcoxon signed-rank test assessed the significance of inter-modality differences, and the intraclass correlation coefficient (ICC ) reflected inter- and intra-observer reliability of parameters.
Results: Inter-modality analysis revealed high agreement (based on DSC and centroid position) of prostate gland contours between CT-alone and CT/TPUS. Statistical significant difference was observed in the superior-inferior direction of the prostate centroid position (p = 0.011). All modalities yielded excellent inter-observer reliability of delineated prostate volume with ICC > 0.9, mean DSC > 0.8 and centroid position: CT-alone (ICC = 1.000) and CT/TPUS (ICC = 0.999) left-right (L/R); CT-alone (ICC = 0.999) and CT/TPUS (ICC = 0.998) anterior-posterior (A/P); CT-alone (ICC = 0.999) and CT/TPUS (ICC = 1.000) superior-inferior (S/I). Similarly, all modalities yielded excellent intra-observer reliability of delineated prostate volume, ICC > 0.9 and mean DSC > 0.8. Lastly, intra-observer reliability was excellent on both imaging modalities for the prostate centroid position, ICC > 0.9.
Conclusion: TPUS does not add significantly to the amount of anatomical information provided by CT images. However, TPUS can supplement planning CT to achieve a higher positional accuracy in the S/I direction if access to CT/MRI fusion is limited.
Competing Interests: Conflict of interest The authors do not have any conflict of interest to declare.
(© 2022 Greater Poland Cancer Centre.)
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فهرسة مساهمة: Keywords: TPUS; contouring; prostate radiotherapy; transperineal ultrasound
تواريخ الأحداث: Date Created: 20220411 Latest Revision: 20220413
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC8989460
DOI: 10.5603/RPOR.a2022.0004
PMID: 35402019
قاعدة البيانات: MEDLINE
الوصف
تدمد:1507-1367
DOI:10.5603/RPOR.a2022.0004