# A case of acute obstructive pyelonephritis due to bleeding from a renal pelvis cancer rescued with laparoscopic nephrectomy

## TL;DR

An elderly woman with a kidney tumor causing severe infection was successfully treated with laparoscopic nephrectomy.

## Contribution

Demonstrates successful laparoscopic nephrectomy for acute pyelonephritis caused by renal pelvis cancer bleeding.

## Key findings

- Laparoscopic nephrectomy effectively treated obstructive pyelonephritis from a bleeding renal pelvis tumor.
- Computed tomography revealed blood clots in the renal pelvis and ureter causing obstruction.
- Early radical nephroureterectomy is recommended for renal pelvis carcinomas with significant bleeding.

## Abstract

We encountered a case of acute obstructive pyelonephritis caused by bleeding from a renal pelvis cancer that was successfully treated by laparoscopic nephrectomy.

An 88‐year‐old woman with fever of 40.2°C and right back pain associated with hematuria due to a right renal pelvic tumor. Computed tomography showed a blood clot filling the right renal pelvis and ureter. She was diagnosed with severe obstructive pyelonephritis due to undrainable blood clots. Nephrectomy was performed to control the infection. Although the perirenal area was easy bleeding, nephrectomy was completed and the patient's condition improved.

Renal pelvis carcinomas with hemorrhage requiring blood transfusion should be treated with radical nephroureterectomy as early as possible.