Utility of MRI features in differentiation of central renal cell carcinoma and renal pelvic urothelial carcinoma
DC Field | Value | Language |
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dc.contributor.author | Wehrli, N.E. | - |
dc.contributor.author | Kim, M.J. | - |
dc.contributor.author | Matza, B.W. | - |
dc.contributor.author | Melamed, J. | - |
dc.contributor.author | Taneja, S.S. | - |
dc.contributor.author | Rosenkrantz, A.B. | - |
dc.date.accessioned | 2021-09-06T10:03:53Z | - |
dc.date.available | 2021-09-06T10:03:53Z | - |
dc.date.created | 2021-06-17 | - |
dc.date.issued | 2013 | - |
dc.identifier.issn | 0361-803X | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/106004 | - |
dc.description.abstract | OBJECTIVE. The purpose of this article is to evaluate the utility of various morphologic and quantitative MRI features in differentiating central renal cell carcinoma (RCC) from renal pelvic urothelial carcinoma. MATERIALS AND METHODS. Sixty patients (39 men and 21 women; mean [± SD] age, 65 ± 14 years; 48 with central RCC and 12 with renal pelvic urothelial carcinoma) who underwent MRI, including diffusion-weighted imaging (b values, 0, 400, and 800 s/mm2) and dynamic contrast-enhanced imaging, before histopathologic confirmation were included. Tumor T2 signal intensity and apparent diffusion coefficients (ADCs) were measured and normalized to muscle and CSF (hereafter referred to as normalized T2 signal and normalized ADC, respectively) and then were compared using receiver operating characteristic analysis. Also, two blinded radiologists independently assessed all tumors for various qualitative features, which were compared with the Fisher exact test and unpaired Student t test. RESULTS. Urothelial carcinoma exhibited significantly lower normalized ADC than did RCC (p = 0.008), but no significant difference was seen in ADC or normalized T2 signal intensity (p = 0.247-0.773). Normalized ADC had the highest area under the curve (0.757); normalized ADC below an optimal threshold of 0.451 was associated with sensitivity of 83% and specificity of 71% for diagnosing urothelial carcinoma. Features that were significantly more prevalent in urothelial carcinoma included global impression of urothelial carcinoma, location centered within the collecting system, collecting system defect, extension to the ureteropelvic junction, preserved renal shape, absence of cystic or necrotic areas, absence of hemorrhage, homogeneous enhancement, and hypovascularity (all p < 0.033). Increased T1 signal intensity suggestive of hemorrhage was significantly more prevalent in RCC (p = 0.02). Interreader agreement for the subjective features ranged from 61.7% to 98.3%. CONCLUSION. In addition to various qualitative MRI parameters, normalized ADC has utility in differentiating central RCC from renal pelvic urothelial carcinoma. Such differentiation may assist decisions regarding possible biopsy and treatment planning. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.subject | adult | - |
dc.subject | age distribution | - |
dc.subject | aged | - |
dc.subject | apparent diffusion coefficient | - |
dc.subject | area under the curve | - |
dc.subject | article | - |
dc.subject | cancer localization | - |
dc.subject | central renal cell carcinoma | - |
dc.subject | comparative study | - |
dc.subject | contrast enhancement | - |
dc.subject | controlled study | - |
dc.subject | diagnostic value | - |
dc.subject | differential diagnosis | - |
dc.subject | diffusion coefficient | - |
dc.subject | diffusion weighted imaging | - |
dc.subject | female | - |
dc.subject | histopathology | - |
dc.subject | human | - |
dc.subject | human cell | - |
dc.subject | human tissue | - |
dc.subject | image analysis | - |
dc.subject | kidney carcinoma | - |
dc.subject | kidney pelvis carcinoma | - |
dc.subject | major clinical study | - |
dc.subject | male | - |
dc.subject | nuclear magnetic resonance imaging | - |
dc.subject | priority journal | - |
dc.subject | radiodiagnosis | - |
dc.subject | receiver operating characteristic | - |
dc.subject | renal pelvic urothelial carcinoma | - |
dc.subject | sensitivity and specificity | - |
dc.subject | transitional cell carcinoma | - |
dc.subject | tumor volume | - |
dc.subject | Aged | - |
dc.subject | Carcinoma, Renal Cell | - |
dc.subject | Carcinoma, Transitional Cell | - |
dc.subject | Contrast Media | - |
dc.subject | Diagnosis, Differential | - |
dc.subject | Diffusion Magnetic Resonance Imaging | - |
dc.subject | Female | - |
dc.subject | Humans | - |
dc.subject | Kidney Neoplasms | - |
dc.subject | Magnetic Resonance Imaging | - |
dc.subject | Male | - |
dc.subject | Retrospective Studies | - |
dc.title | Utility of MRI features in differentiation of central renal cell carcinoma and renal pelvic urothelial carcinoma | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Kim, M.J. | - |
dc.identifier.doi | 10.2214/AJR.13.10673 | - |
dc.identifier.scopusid | 2-s2.0-84888364458 | - |
dc.identifier.bibliographicCitation | American Journal of Roentgenology, v.201, no.6, pp.1260 - 1267 | - |
dc.relation.isPartOf | American Journal of Roentgenology | - |
dc.citation.title | American Journal of Roentgenology | - |
dc.citation.volume | 201 | - |
dc.citation.number | 6 | - |
dc.citation.startPage | 1260 | - |
dc.citation.endPage | 1267 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | adult | - |
dc.subject.keywordPlus | age distribution | - |
dc.subject.keywordPlus | aged | - |
dc.subject.keywordPlus | apparent diffusion coefficient | - |
dc.subject.keywordPlus | area under the curve | - |
dc.subject.keywordPlus | article | - |
dc.subject.keywordPlus | cancer localization | - |
dc.subject.keywordPlus | central renal cell carcinoma | - |
dc.subject.keywordPlus | comparative study | - |
dc.subject.keywordPlus | contrast enhancement | - |
dc.subject.keywordPlus | controlled study | - |
dc.subject.keywordPlus | diagnostic value | - |
dc.subject.keywordPlus | differential diagnosis | - |
dc.subject.keywordPlus | diffusion coefficient | - |
dc.subject.keywordPlus | diffusion weighted imaging | - |
dc.subject.keywordPlus | female | - |
dc.subject.keywordPlus | histopathology | - |
dc.subject.keywordPlus | human | - |
dc.subject.keywordPlus | human cell | - |
dc.subject.keywordPlus | human tissue | - |
dc.subject.keywordPlus | image analysis | - |
dc.subject.keywordPlus | kidney carcinoma | - |
dc.subject.keywordPlus | kidney pelvis carcinoma | - |
dc.subject.keywordPlus | major clinical study | - |
dc.subject.keywordPlus | male | - |
dc.subject.keywordPlus | nuclear magnetic resonance imaging | - |
dc.subject.keywordPlus | priority journal | - |
dc.subject.keywordPlus | radiodiagnosis | - |
dc.subject.keywordPlus | receiver operating characteristic | - |
dc.subject.keywordPlus | renal pelvic urothelial carcinoma | - |
dc.subject.keywordPlus | sensitivity and specificity | - |
dc.subject.keywordPlus | transitional cell carcinoma | - |
dc.subject.keywordPlus | tumor volume | - |
dc.subject.keywordPlus | Aged | - |
dc.subject.keywordPlus | Carcinoma, Renal Cell | - |
dc.subject.keywordPlus | Carcinoma, Transitional Cell | - |
dc.subject.keywordPlus | Contrast Media | - |
dc.subject.keywordPlus | Diagnosis, Differential | - |
dc.subject.keywordPlus | Diffusion Magnetic Resonance Imaging | - |
dc.subject.keywordPlus | Female | - |
dc.subject.keywordPlus | Humans | - |
dc.subject.keywordPlus | Kidney Neoplasms | - |
dc.subject.keywordPlus | Magnetic Resonance Imaging | - |
dc.subject.keywordPlus | Male | - |
dc.subject.keywordPlus | Retrospective Studies | - |
dc.subject.keywordAuthor | Apparent diffusion coefficient | - |
dc.subject.keywordAuthor | Central renal cell carcinoma | - |
dc.subject.keywordAuthor | Diffusion-weighted imaging | - |
dc.subject.keywordAuthor | Mri | - |
dc.subject.keywordAuthor | Normalized apparent diffusion coefficient | - |
dc.subject.keywordAuthor | Normalized t2 signal | - |
dc.subject.keywordAuthor | Renal pelvic urothelial carcinoma | - |
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