{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T09:05:20Z","timestamp":1790845520504,"version":"4.1.0"},"reference-count":0,"publisher":"SAGE Publications","issue":"10","license":[{"start":{"date-parts":[[2008,12,1]],"date-time":"2008-12-01T00:00:00Z","timestamp":1228089600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acta Radiol"],"published-print":{"date-parts":[[2008,12]]},"abstract":"<jats:p>Background: Various malignant tumors of the body show high signal intensity on diffusion-weighted magnetic resonance imaging (DWI). In the genitourinary region, DWI is expected to have a role in detecting urinary epithelial cancer noninvasively.<\/jats:p>\n                  <jats:p>Purpose: To demonstrate the feasibility of DWI for the diagnosis of urinary epithelial cancer with upper urinary tract obstruction.<\/jats:p>\n                  <jats:p>\n                    Material and Methods: Twenty upper urinary tract cancers in 16 patients were evaluated by high- b-value DWI ( b=800s\/mm\n                    <jats:sup>2<\/jats:sup>\n                    ). The signal intensity was visually evaluated, and the apparent diffusion coefficients (ADCs) were measured.\n                  <\/jats:p>\n                  <jats:p>\n                    Results: All urinary epithelial cancers showed high signal intensity on DWI. The ADC in cancerous lesions was 1.31\u00b10.27\u00d710\n                    <jats:sup>\u22123<\/jats:sup>\n                    mm\n                    <jats:sup>2<\/jats:sup>\n                    \/s, which was significantly lower than that of the lumens of the ureter or renal pelvis (3.32\u00b10.44\u00d710\n                    <jats:sup>\u22123<\/jats:sup>\n                    mm\n                    <jats:sup>2<\/jats:sup>\n                    \/s; P&lt;0.001). Maximum intensity projection images of DWI in combination with static-fluid MR urography provided three-dimensional entire urinary tract imaging with the extension of tumors.\n                  <\/jats:p>\n                  <jats:p>Conclusion: DWI is useful in the tumor detection and in evaluating the tumor extension of urinary epithelial cancer in patients with upper urinary tract obstruction.<\/jats:p>","DOI":"10.1080\/02841850802411857","type":"journal-article","created":{"date-parts":[[2008,11,22]],"date-time":"2008-11-22T00:21:40Z","timestamp":1227313300000},"page":"1195-1199","source":"Crossref","is-referenced-by-count":23,"title":["Diffusion-weighted magnetic resonance imaging of urinary epithelial cancer with upper urinary tract obstruction: preliminary results"],"prefix":"10.1177","volume":"49","author":[{"given":"M.","family":"Takeuchi","sequence":"first","affiliation":[{"name":"Department of Radiology and Department of Radiologic Technology, University of Tokushima, Tokushima, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Matsuzaki","sequence":"additional","affiliation":[{"name":"Department of Radiology and Department of Radiologic Technology, University of Tokushima, Tokushima, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.","family":"Kubo","sequence":"additional","affiliation":[{"name":"Department of Radiology and Department of Radiologic Technology, University of Tokushima, Tokushima, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.","family":"Nishitani","sequence":"additional","affiliation":[{"name":"Department of Radiology and Department of Radiologic Technology, University of Tokushima, Tokushima, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2008,12,1]]},"container-title":["Acta Radiologica"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/journals.sagepub.com\/doi\/pdf\/10.1080\/02841850802411857","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/journals.sagepub.com\/doi\/pdf\/10.1080\/02841850802411857","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T13:50:53Z","timestamp":1777384253000},"score":1,"resource":{"primary":{"URL":"http:\/\/journals.sagepub.com\/doi\/10.1080\/02841850802411857"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2008,12]]},"references-count":0,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2008,12]]}},"alternative-id":["10.1080\/02841850802411857"],"URL":"https:\/\/doi.org\/10.1080\/02841850802411857","relation":{},"ISSN":["0284-1851","1600-0455"],"issn-type":[{"value":"0284-1851","type":"print"},{"value":"1600-0455","type":"electronic"}],"subject":[],"published":{"date-parts":[[2008,12]]}}}