A case of ipsilateral three simultaneous renal cell carcinomas with different histologic types

Introduction Few reports have presented sporadic multifocal renal cell carcinomas of different histologic types occurring simultaneously in a single kidney. Here, we present a case of three ipsilateral renal cell carcinomas with three histologic types. Case presentation A 44‐year‐old man with end‐st...

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Published inIJU case reports Vol. 6; no. 6; pp. 410 - 414
Main Authors Tanaka, Satoki, Goto, Yusuke, Fujimoto, Ayumi, Arai, Takayuki, Sato, Hiroaki, Sazuka, Tomokazu, Imamura, Yusuke, Sakamoto, Shinichi, Ikeda, Jun‐Ichiro, Ichikawa, Tomohiko
Format Journal Article
LanguageEnglish
Published Tokyo John Wiley & Sons, Inc 01.11.2023
John Wiley and Sons Inc
Wiley
Subjects
Case Report
Case Reports
Conflicts of interest
Cysts
Disease
Hemodialysis
Histology
ipsilateral multifocal renal cell carcinoma
Kidney cancer
Kidneys
Magnetic resonance imaging
Mitochondrial DNA
partial nephrectomy
Patients
Peritoneal dialysis
radical nephrectomy
Supervision
Tumors
Writing
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Summary:Introduction Few reports have presented sporadic multifocal renal cell carcinomas of different histologic types occurring simultaneously in a single kidney. Here, we present a case of three ipsilateral renal cell carcinomas with three histologic types. Case presentation A 44‐year‐old man with end‐stage renal disease due to nephrosclerosis was referred to our hospital for an incidental renal tumor. Following the introduction of hemodialysis, enhanced computed tomography revealed a renal tumor suggestive of clear‐cell renal cell carcinoma with a cystic component. With a preoperative diagnosis of one renal tumor, he underwent laparoscopic radical nephrectomy. However, pathological examination revealed three renal cell carcinomas with three histological diagnoses: clear‐cell, papillary, and clear‐cell papillary renal cell carcinomas. Conclusion Preoperative imaging may not detect all synchronous ipsilateral multifocal renal cell carcinomas. Patients with severe renal function impairment may have synchronous multifocal renal cell carcinomas.
ISSN:2577-171X
2577-171X
DOI:10.1002/iju5.12636