{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,13]],"date-time":"2025-05-13T15:13:56Z","timestamp":1747149236100,"version":"3.40.5"},"reference-count":20,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2019,3,31]],"date-time":"2019-03-31T00:00:00Z","timestamp":1553990400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["IJU Case Reports"],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Concurrence of clear cell renal cell carcinoma and angiomyolipoma is quite rare. We report a case of large localized clear cell renal cell carcinoma with concurrent multiple angiomyolipomas mimicking lymph node metastases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>A 60\u2010year\u2010old woman presented with general malaise, weight loss, and intermittent fever. Computed tomography scan demonstrated an 8\u2010cm mass in the left kidney, enlarged para\u2010aortic lymph nodes, and small renal nodules adjacent to the main tumor. She was diagnosed preoperatively as having clear cell renal cell carcinoma (cT3a) with multiple para\u2010aortic lymph node metastases, and underwent laparoscopic radical nephrectomy and dissection of the para\u2010aortic lymph nodes. Pathologically, the main tumor was diagnosed as clear cell renal cell carcinoma. By contrast, both the para\u2010aortic lymph nodes and nodules were diagnosed as lipid\u2010poor angiomyolipomas.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>With the expanding first\u2010line use of molecular targeted therapy for metastatic renal cell carcinoma, nephrectomy may be avoided by overdiagnosis. Upfront nephrectomy can avoid overdiagnosis and undertreatment of nonmetastatic renal cell carcinoma.<\/jats:p><\/jats:sec>","DOI":"10.1002\/iju5.12069","type":"journal-article","created":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T00:09:48Z","timestamp":1554077388000},"page":"162-165","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Multiple angiomyolipomas mimicking metastases of concurrent clear cell renal cell carcinoma"],"prefix":"10.1002","volume":"2","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4848-9178","authenticated-orcid":false,"given":"Takahiro","family":"Narimatsu","sequence":"first","affiliation":[{"name":"Departments of Urology Faculty of Medicine Oita University Oita Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshitaka","family":"Shin","sequence":"additional","affiliation":[{"name":"Departments of Urology Faculty of Medicine Oita University Oita 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