Figure 1From: Spontaneous retroperitoneal hemorrhage caused by rupture of an ovarian artery aneurysm: a case report and review of the literatureImaging tests for retroperitoneal hematoma. (A) Abdominal ultrasonography demonstrated a normal right kidney (left side, arrow) and a large hematoma in the retroperitoneum. A high-echoic lesion can be seen surrounding the right kidney (right side, arrowhead). (B) Arterial phase contrast-enhanced computed tomography image. A bright round structure (arrow) can be seen in the right retroperitoneal hematoma. (C) Three-dimensional computed tomography angiogram of the abdomen revealed a right ovarian artery aneurysm (arrow) overriding the right renal artery. Abbreviations: L, left; R, right; Rt., right; H, head, F, foot.Back to article page