دورية أكاديمية
أعرض في EDS

Apparent Variation in Measurement Size of Colorectal Cancer Metastases to the Liver on Dual Contrast MRI.

التفاصيل البيبلوغرافية
العنوان: Apparent Variation in Measurement Size of Colorectal Cancer Metastases to the Liver on Dual Contrast MRI.
المؤلفون: Ngnitewe Massa'a R; From the Departments of Radiology., Wawrzyn P; From the Departments of Radiology., Mao L; Emergency Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI., Reeder SB, Kelcz F; From the Departments of Radiology., Wentland AL
المصدر: Journal of computer assisted tomography [J Comput Assist Tomogr] 2024 Jan-Feb 01; Vol. 48 (1), pp. 12-18. Date of Electronic Publication: 2023 Aug 07.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 7703942 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1532-3145 (Electronic) Linking ISSN: 03638715 NLM ISO Abbreviation: J Comput Assist Tomogr Subsets: MEDLINE
أسماء مطبوعة: Publication: <2000->: Hagerstown, MD : Lippincott Williams & Wilkins
Original Publication: New York, Raven Press.
مواضيع طبية MeSH: Liver Neoplasms*/pathology , Colorectal Neoplasms*/diagnostic imaging , Colorectal Neoplasms*/pathology, Humans ; Contrast Media ; Sensitivity and Specificity ; Retrospective Studies ; Liver/diagnostic imaging ; Liver/pathology ; Magnetic Resonance Imaging/methods ; Gadolinium DTPA
مستخلص: Purpose: The aim of this study was to formally investigate the apparent variation in lesion size of hepatic metastatic lesions from colorectal cancer on hepatobiliary phase (HBP) and dual contrast images of magnetic resonance imaging performed with both hepatobiliary and extracellular contrast agents.
Methods: Patients with known colorectal carcinoma who had undergone dual contrast liver magnetic resonance imaging were identified in our institutional database. Metastatic lesions were measured semiautomatically on both HBP and dual contrast images with a custom software tool that automatically identifies the lesion edge and thereby the lesion diameter. Lesion measurements from both sets of images were compared with a Student t test and Bland-Altman analysis. Lesions were also measured on both HBP and dual contrast images by 2 fellowship-trained abdominal radiologists. Measurements from the software and radiologists were compared with a Student t test and Bland-Altman analysis; interreader agreement was evaluated with the intraclass correlation coefficient.
Results: A total of 70 liver lesions in 39 patients was identified. Software-based measurements were significantly larger on HBP than dual contrast images ( P < 0.001), with a mean lesion size of 10.9 ± 4.2 mm for HBP and 10.5 ± 4.2 mm for dual contrast measurements. Radiologist-based measurements showed a similar trend, with HBP measurements being significantly larger than dual contrast measurements ( P < 0.001). Bland-Altman analysis indicated a mean bias ± 2 SD of +0.4 ± 1.6 mm for software-based measurements and +0.9 ± 2.9 mm and +0.7 ± 2.1 mm for readers 1 and 2, respectively. The intraclass correlation coefficient for interreader agreement was 0.9.
Conclusions: Both software-based and radiologist-based measurements of colorectal cancer liver metastases are significantly larger on HBP than dual contrast images. Based on these findings, we recommend that longitudinal assessment be performed consistently on either HBP or dual contrast phases to avoid introduction of avoidable variability.
Competing Interests: The authors declare no conflict of interest.
(Copyright © 2023 Wolters Kluwer Health, Inc. All rights reserved.)
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المشرفين على المادة: 0 (Contrast Media)
K2I13DR72L (Gadolinium DTPA)
تواريخ الأحداث: Date Created: 20230808 Date Completed: 20240115 Latest Revision: 20240115
رمز التحديث: 20240115
DOI: 10.1097/RCT.0000000000001527
PMID: 37551163
قاعدة البيانات: MEDLINE
الوصف
تدمد:1532-3145
DOI:10.1097/RCT.0000000000001527