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Case Reports
. 2022 May 13;5(4):281-285.
doi: 10.1002/iju5.12464. eCollection 2022 Jul.

Subcapsular renal hematoma after ureterorenoscopy

Narumi Harada  1 , Junji Yatsuda  1 , Ryoma Kurahashi  1 , Yumi Fukushima  1 , Takuya Segawa  1 , Takanobu Motoshima  1 , Yoji Murakami  1 , Takahiro Yamaguchi  1 , Yutaka Sugiyama  1 , Tomomi Kamba  1
Affiliations
Case Reports

Subcapsular renal hematoma after ureterorenoscopy

Narumi Harada et al. IJU Case Rep. .

Abstract

Introduction: Subcapsular renal hematoma after ureterorenoscopy using a holmium yttrium-aluminum-garnet laser is a rare complication. We experienced a case of subcapsular hematoma after ureterorenoscopy.

Case presentation: The patient was a 56-year-old man with a history of hypertension and coronary vasospastic angina, and he was taking antiplatelet drugs. He had the middle and lower calyx stones measured 36 mm in diameter of the right kidney. We performed ureterorenoscopy, which was completed about 2 h without intraoperative complications. We could not remove the stone completely. After the surgery, the patient developed a fever and complained of right back pain. Computed tomography showed several residual stones formed a stone street, obstructing the stent and resulting in grade 3 hydronephrosis. Furthermore, the right subcapsular renal hematoma infection had detected. Percutaneous hematoma drainage and percutaneous nephrostomy were performed.

Conclusion: Subcapsular renal hematoma after ureterorenoscopy is an uncommon complication but should be kept in mind.

Keywords: hematoma; infections; kidney; lithotripsy; ureterorenoscopy.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Fig. 1
Fig. 1
CT showing right middle and lower calyx stones (the longest diameter: 36 mm, the average CT value: 798 Hounsfield unit).
Fig. 2
Fig. 2
Retrograde pyelography showing that the stone further grew into the renal pelvis (arrow). [Colour figure can be viewed at wileyonlinelibrary.com]
Fig. 3
Fig. 3
CT showing right hydronephrosis and a subcapsular renal hematoma (arrow: stone street, arrowhead: ureteral stent). [Colour figure can be viewed at wileyonlinelibrary.com]
See this image and copyright information in PMC

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