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Case Report
 
Ureteroscopy assisted retrograde nephrostomy (UARN) in patient with lower pole renal stone
Takashi Kawahara1, Hiroki Ito2, Hideyuki Terao1, Hiroji Uemura3, Yoshinobu Kubota3, Junichi Matsuzaki1
1Department of Urology, Ohguchi Higashi General Hospital, 2-19-1, Irie, Kanagawa-ku, Yokohama City, Kanagawa, Japan.
2Department of Urology, Ohguchi Higashi General Hospital, Department of Urology, Yokohama City University Graduate School of Medicine, Japan.
3Department of Urology, Yokohama City University Graduate School of Medicine, Japan.

doi:10.5348/ijcri-201526-CR-10487

Address correspondence to:
Takashi Kawahara
MD, Department of Urology, Ohguchi Higashi General Hospital
2-19-1, Irie, Kanagawa-ku, Yokohama City
Kanagawa
Japan
Phone: +81-45-401-2411; Facsimile: +81-45-431-6920

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How to cite this article
Kawahara T, Ito H, Terao H, Uemura H, Kubota Y, Matsuzaki J. Ureteroscopy assisted retrograde nephrostomy in patient with lower pole renal stone. Int J Case Rep Images 2015;6(3):142–144.


Abstract
Introduction: We previously reported a new technique, ureteroscopy-assisted retrograde nephrostomy (UARN) for percutaneous nephrolithotomy (PCNL). This case report describes a new approach for treating renal stones in the lower calyx using the UARN technique.
Case Report: A 68-year-old female was referred to our department for the treatment of a right renal stone. We performed PCNL using the technique for UARN.
Conclusion: We herein report a new technique using UARN for lower pole renal stones. This method may represent a new treatment option for renal stones in the lower calyx.

Keywords: Nephro access sheath (NAS), Percutaneous nephrolithotomy (PCNL), Renal stones, Ureteral access sheath, Ureteroscopy, Ureteroscopy-assisted retrograde nephrostomy (UARN)


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Author Contributions
Takashi Kawahara – Substantial contributions to conception and design, Acquisition of data, Analysis and interpretation of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Hiroki Ito – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Hideyuki Terao – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Hiroji Uemura – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Yoshinobu Kubota – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Junichi Matsuzaki – Analysis and interpretation of data, Revising it critically for important intellectual content, Final approval of the version to be published
Guarantor of submission
The corresponding author is the guarantor of submission.
Source of support
None
Conflict of interest
Authors declare no conflict of interest.
Copyright
© 2015 Takashi Kawahara et al. This article is distributed under the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any medium provided the original author(s) and original publisher are properly credited. Please see the copyright policy on the journal website for more information.