Invasive urothelial carcinoma within a calyceal diverticulum associated with renal stones: A case report

  • Authors:
    • Taito Nakano
    • Yasuhide Kitagawa
    • Kouji Izumi
    • Hiroko Ikeda
    • Mikio Namiki
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  • Published online on: August 11, 2015     https://doi.org/10.3892/ol.2015.3590
  • Pages: 2439-2441
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Abstract

Calyceal diverticula are rare outpouchings of the upper collecting system lying within the renal parenchyma. These often contain stones, however, carcinoma within a calyceal diverticulum is uncommon. The present study reports a case of invasive urothelial carcinoma within a calyceal diverticulum associated with renal stones. A 70‑year‑old male with a left renal mass identified by abdominal computed tomography was referred to the Department of Urology, Kanazawa University Hospital. Pre‑operative diagnosis was difficult owing to an atypical imaging finding of a hypovascular renal mass with calcification. A laparoscopic nephroureterectomy was performed, and the surgical specimens showed invasive high‑grade urothelial carcinoma within a calyceal diverticulum, and the calcifications were renal stones consisting of 97% calcium oxalate. Urothelial carcinoma in calyceal diverticula is a rare condition, however, a pre‑operative definite diagnosis is difficult and a high potential for invasion of the renal parenchyma is suspected in this disease.
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October-2015
Volume 10 Issue 4

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Nakano T, Kitagawa Y, Izumi K, Ikeda H and Namiki M: Invasive urothelial carcinoma within a calyceal diverticulum associated with renal stones: A case report. Oncol Lett 10: 2439-2441, 2015
APA
Nakano, T., Kitagawa, Y., Izumi, K., Ikeda, H., & Namiki, M. (2015). Invasive urothelial carcinoma within a calyceal diverticulum associated with renal stones: A case report. Oncology Letters, 10, 2439-2441. https://doi.org/10.3892/ol.2015.3590
MLA
Nakano, T., Kitagawa, Y., Izumi, K., Ikeda, H., Namiki, M."Invasive urothelial carcinoma within a calyceal diverticulum associated with renal stones: A case report". Oncology Letters 10.4 (2015): 2439-2441.
Chicago
Nakano, T., Kitagawa, Y., Izumi, K., Ikeda, H., Namiki, M."Invasive urothelial carcinoma within a calyceal diverticulum associated with renal stones: A case report". Oncology Letters 10, no. 4 (2015): 2439-2441. https://doi.org/10.3892/ol.2015.3590