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Peer-reviewedCC BYUrology Case Reports

Renal pseudoaneurysm and arterial–pelvicalyceal fistula after partial nephrectomy managed with staged angioembolization: A case report

  • Amirmasoud Naddafimajoumardi1
  • Golnaz Ranjbarpazuki2
  • Erfan Amini1
  • Seyed Ali Momeni1
  • Arian Yousefi Fard3
  • Khashayar Danandeh4
4 affiliations
  1. 1Uro-Oncology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  2. 2School of Medicine, Iran University of Medical Sciences, Tehran, Iran
  3. 3Department of Radiology, Lorestan University of Medical Sciences, Khorramabad, Iran
  4. 4School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Corresponding author. School of Medicine, Tehran University of Medical Sciences, Tehran, 1416753955, Iran.
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Abstract

Delayed haemorrhage after partial nephrectomy is usually attributed to a single vascular lesion and controlled by transarterial embolization. A 62-year-old man developed massive haematuria one week after left partial nephrectomy. CT angiography showed a segmental renal pseudoaneurysm, which was embolised superselectively. Bleeding recurred within 24 hours; repeat angiography revealed a separate arterial–pelvicalyceal fistula, treated by a second embolization with durable haemostasis. Recurrence after apparently successful embolization may therefore reflect a second, unrecognised lesion rather than treatment failure. A low threshold for repeat angiography and staged, lesion-specific embolization can achieve definitive control while preserving renal parenchyma.

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Cite

BibTeXRIS
BibTeX
@article{naddafimajoumardi2026renal,
  title = {{Renal pseudoaneurysm and arterial–pelvicalyceal fistula after partial nephrectomy managed with staged angioembolization: A case report}},
  author = {Amirmasoud Naddafimajoumardi and Golnaz Ranjbarpazuki and Erfan Amini and Seyed Ali Momeni and Arian Yousefi Fard and Khashayar Danandeh},
  journal = {Urology Case Reports},
  year = {2026},
  month = oct,
  doi = {10.1016/j.eucr.2026.103650},
  url = {https://doi.org/10.1016/j.eucr.2026.103650},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - Renal pseudoaneurysm and arterial–pelvicalyceal fistula after partial nephrectomy managed with staged angioembolization: A case report
AU  - Amirmasoud Naddafimajoumardi
AU  - Golnaz Ranjbarpazuki
AU  - Erfan Amini
AU  - Seyed Ali Momeni
AU  - Arian Yousefi Fard
AU  - Khashayar Danandeh
PY  - 2026
DA  - 2026/10/23
JO  - Urology Case Reports
DO  - 10.1016/j.eucr.2026.103650
UR  - https://doi.org/10.1016/j.eucr.2026.103650
AB  - Delayed haemorrhage after partial nephrectomy is usually attributed to a single vascular lesion and controlled by transarterial embolization. A 62-year-old man developed massive haematuria one week after left partial nephrectomy. CT angiography showed a segmental renal pseudoaneurysm, which was embolised superselectively. Bleeding recurred within 24 hours; repeat angiography revealed a separate arterial–pelvicalyceal fistula, treated by a second embolization with durable haemostasis. Recurrence after apparently successful embolization may therefore reflect a second, unrecognised lesion rather than treatment failure. A low threshold for repeat angiography and staged, lesion-specific embolization can achieve definitive control while preserving renal parenchyma.
SN  - 2214-4420
ER  -