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01.12.2017 | Case report | Ausgabe 1/2017 Open Access

Journal of Medical Case Reports 1/2017

Ureter metastatic castration-resistant prostate cancer: a case report

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2017
Autoren:
Sohgo Tsutsumi, Takashi Kawahara, Yusuke Hattori, Taku Mochizuki, Jun-ichi Teranishi, Yasuhide Miyoshi, Sawako Chiba, Hiroji Uemura

Abstract

Background

In most cases, prostate cancer metastasizes to the lymph nodes, bone, and liver. In very rare cases, it metastasizes to the ureter. Due to the difficulty in making a preoperative diagnosis, ureteral metastasis from prostate cancer is typically diagnosed after nephroureterectomy.

Case presentation

A 77-year-old Asian Japanese man with right hydronephrosis and hydroureter was referred to our hospital to undergo further examination due to the suspicion of ureteral cancer. He had been diagnosed 2 years previously with prostate cancer with a Gleason score of 4+5=9. He received radiotherapy and androgen deprivation therapy. A nephroureterectomy was performed for suspected right ureteral cancer. On the basis of a histopathological examination, poorly differentiated adenocarcinoma was suspected, and the tumor cells were positive for prostate-specific antigen immunohistochemically.

Conclusions

We herein report a rare case of ureteral metastasis in castration resistant prostate cancer.

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