Post-Embolization Abscess Formation in a Hemorrhagic Renal Angiomyolipoma – A Case Report | ||
| Al-Azhar International Medical Journal | ||
| Volume 2025, Issue 7, July 2025, Pages 164-167 PDF (360.08 K) | ||
| Document Type: Original Article | ||
| DOI: https://doi.org/10.21608/aimj.2025.446654 | ||
| Authors | ||
| Tarek Mohamed M. Mansour* 1; Ahmed Abd elrady Ahmed Teleb1; Ahmed Yousri Al Amir2 | ||
| 1Assistant professor of Radio-diagnosis department, Faculty of Medicine, Al-Azhar University, Assiut, Egypt. | ||
| 2Lecturer of Radiology, Faculty of medicine, Cairo University, Egypt. | ||
| Abstract | ||
| Background: Renal angiomyolipoma (AML) is a benign tumor, but when it grows larger than 4 cm, the risk of bleeding increases significantly. To manage this, arterial embolization is often the go-to minimally invasive treatment. While generally safe and effective, it’s not completely risk-free—one of the rare but important complications is abscess formation after the procedure, which can sometimes be clinically significant. Case Presentation: We present the case of a 45-year-old woman who came to the hospital with left flank pain. A CT scan revealed a large, hemorrhagic left renal angiomyolipoma measuring 9 cm. To control the bleeding, she underwent successful arterial embolization using gel foam. She was discharged in stable condition with a steady hematocrit. However, 21 days after the procedure, she developed fever, worsening flank pain, and tenderness. A multislice CT scan showed a liquefied mass with an air-fluid level, consistent with an abscess. To treat this, an 8-French pigtail catheter was placed under ultrasound guidance, draining 450 mL of purulent fluid. The catheter was removed after five days, and her symptoms completely resolved. Follow-up imaging at six months showed a small residual lesion (3 cm) without any fluid accumulation. Conclusion: Abscess formation is a rare but manageable complication following arterial embolization for renal AML. This case highlights the importance of early detection and timely intervention to prevent complications and ensure a positive clinical outcome. | ||
| Keywords | ||
| Renal angiomyolipoma; Selective arterial embolization; Post-embolization complications; Abscess formation; Interventional radiology | ||
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