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Renal pseudoaneurysm formation post allograft biopsy: a case report
Samir G Mallat1, Rima Abou Arkoub1, Bassam El Achkar2
1Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon.
BJR Case Reports
|October 27, 2018
Summary
Renal pseudoaneurysm (PSA) is a rare complication after kidney transplant biopsy. Magnetic resonance angiography is preferred for diagnosing renal PSA due to its non-contrast imaging capabilities.
Area of Science:
- Nephrology
- Radiology
- Transplant Surgery
Background:
- Renal pseudoaneurysm (PSA) is a rare complication following kidney transplant biopsy, contributing to less than 1% of allograft dysfunction.
- Limited data and low incidence have hindered the development of specific imaging guidelines for renal PSA.
Observation:
- A case of renal PSA in a 48-year-old male recipient of a living-related kidney transplant is presented.
- The pseudoaneurysm developed post-allograft biopsy, leading to allograft dysfunction.
Findings:
- Contrast-enhanced CT and magnetic resonance angiography (MRA) are preferred for PSA detection due to high resolution.
- MRA is particularly favored as non-contrast techniques can visualize blood flow patterns without risking renal function with contrast media.
Implications:
- This case highlights the importance of considering renal PSA in post-biopsy allograft dysfunction.
- Further research into imaging and management of renal PSA is warranted to improve patient outcomes.
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