CEN Case Reports

, Volume 7, Issue 1, pp 174–177 | Cite as

Severe refractory infection due to renocolic fistula in a patient with a giant kidney and ADPKD undergoing long-term hemodialysis

  • Yu Iwashita
  • Shigeo Negi
  • Yuko Iwashita
  • Masaki Higashiura
  • Yusuke Shigi
  • Shintaro Yamanaka
  • Masaki Ohya
  • Toru Mima
  • Takashi Shigematsu
Case Report


Renocolic fistula is rare. Renal cyst infection is a serious complication in patients with autosomal dominant polycystic kidney disease (ADPKD). We present a case of refractory renal cyst infection due to renocolic fistula in a patient with ADPKD. A 65-year-old man with ADPKD on hemodialysis visited our hospital with complaints of fever and left abdominal pain. We diagnosed renal cyst infection with abdominal computed tomography scans. After hospitalization, gas shadow was observed in the left renal cyst. Percutaneous puncture of the cyst was performed. Because contrast medium into the left renal cyst through nephrostomy was flowing into the descending colon, renocolic fistula was diagnosed. The patient underwent nephrectomy combined with partial descending colonic resection and splenectomy, but he died. Renocolic fistula is probably hidden in some refractory renal cyst infection cases. This case report aims to create awareness of renocolic fistula, so that early diagnosis and intervention can salvage such patients.


Autosomal dominant polycystic kidney disease Gas in cyst Hemodialysis Renal cyst infection. 


Compliance with ethical standards

Human and animal rights

This article does not contain any studies with human participants or animals performed by any of the authors.

Conflict of interest

Takashi Shigematsu received a lecture fee. However, this report was not affected by receiving this fee. None of the other authors has a conflict of interests.

Informed consent

Informed consent was obtained from the patient and his family included in this article.


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Copyright information

© Japanese Society of Nephrology 2018

Authors and Affiliations

  1. 1.Department of NephrologyWakayama Medical UniversityWakayamaJapan
  2. 2.Department of NephrologyShingu Municipal Medical CenterShinguJapan

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