Four cases with blunt renal vascular injuries depicted on MDCT

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  • ｍｕｌｔｉｄｅｔｅｃｔｏｒ‐ｒｏｗ　ＣＴにより鈍的腎血管損傷が描出された４例

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Abstract

There have been a few studies on the usefulness of multidetector-row CT (MDCT) for the diagnosis of blunt renal vascular injuries. We describe 4 cases of blunt renal vascular injuries depicted on MDCT. Case 1: A 20-year-old man sustained left IIIa renal injury, splenic injury and left lung contusion. On angiography, extravasation and pseudoaneurysm were depicted, but pseudoaneurysm was not depicted on MDCT. Case 2: A 58-year-old man sustained left IIIa renal injury. On angiography and MDCT, the injured segmental artery with extravasation was demonstrated. Case 3: A 75-year-old woman sustained left IIIb renal injury, thoracic aortic injury. On angiography and MDCT, injured posterior branch of the renal artery with extravasation was demonstrated. Case 4: A 67-year-old man sustained right IIIb renal injury. On angiography and MDCT, injured segmental artery with pseudoaneurysm and extravasation was demonstrated. Six blunt renal vascular injuries (four extravasations and two pseudoaneurysms) were confirmed on angiography in 4 cases. Except for one pseudoaneurysm, five vascular injuries were also depicted by the initial MDCT. We performed transcatheter arterial embolization (TAE) for renal injury in all cases and then nephrectomy was performed after TAE in case 3 and case 4. In our cases, MDCT successfully depicted blunt renal vascular injuries.

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