IMAGES IN EMERGENCY MEDICINE
External iliac artery aneurysm and ureteric obstruction in a solitary kidney
Department of Urology, Medway Maritime Associate Teaching Hospital, Gillingham, Kent, UK
Correspondence to:
Correspondence to:
Dr G Singh
62 Iceland Wharf, Plough Way, London, SE16 7AB, UK; gups99@hotmail.com
Keywords: aneurysm; ureteric obstruction
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Ureteric obstruction is amongst the commonest urological emergencies with the most frequent cause being renal stone disease. The emergency physician should, however, have a high index of suspicion to help in identifying other causes of ureteric obstruction.
A 64 year old male presented with acute-on-chronic renal failure, having previously had a left nephroureterectomy for renal cell carcinoma. Ultrasonography showed evidence of moderate hydronephrosis of the solitary right kidney. An emergency nephrostomy was performed and a nephrostogram showed a laterally displaced obstructed ureter. An unenhanced computed tomography scan revealed the obstructing lesion to be a large (8.7x8.5 cm) right external iliac artery aneurysm that was also demonstrated on angiography (fig 1
). This was treated by endovascular stenting.
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[in a new window] Figure 1 Angiography demonstrating a large external iliac artery aneurysm which was the cause of the ureteric obstruction.
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External iliac artery aneurysms causing ureteric obstruction in a solitary kidney are rare with only
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