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BMJ Case Rep 2019 Oct 15;12(10). Epub 2019 Oct 15.

Radiodiagnosis, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India

Fistulae of the upper urinary tract with the alimentary tract are rare. Most cases of renoalimentary fistulae are secondary to penetrating trauma, which may be iatrogenic or due to locally invasive benign infective processes or complicated nephrolithiasis, or following surgical procedures. Spontaneous renoalimentary fistulae developing secondary to locally advanced malignancies, namely renal cell carcinoma, are very rare, and unknown due to upper tract transitional cell carcinoma. Read More

Urol Case Rep 2018 May 2;18:41-43. Epub 2018 Mar 2.

Albert Einstein College of Medicine, Montefiore Medical Center, Department of Urology, Bronx, NY, 10467, United States.

World J Gastrointest Pathophysiol 2010 Aug;1(3):106-8

John D Wysocki, Virendra Joshi, Naveed Gil, Tulane University School of Medicine, LA 70112 , United States.

A 76 year old woman with bloody stools and symptomatic anemia presented to the Emergency Department approximately 2 wk after computed tomography (CT)-guided cryoablation to a 4.5 cm renal cell carcinoma on her left posterior kidney. The patient was initially prepped for a colonoscopy to view possible causes of lower gastrointestinal bleeding. Read More

Ann Acad Med Singap 1997 Nov;26(6):850-1

Department of General Surgery, New Changi Hospital, Singapore.

Renoalimentary fistulae are rare. When they occur, they are usually between the right renal pelvis and the duodenum. The primary pathology often resides in the kidney, and nephrectomy is often necessary in the management of such fistulae. Read More