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CT angiography of abdominal aorta in axial section for Patient 1. (A) Twenty-four hours after bone marrow trephine biopsy from the left PSIS, demonstrating a 20x4x4 cm hypo-isodense mass (white arrow) consistent with a retroperitoneal hematoma. (B) Two weeks after the initial scan, demonstrating a pool of extraluminal contrast (straight arrow) medial to a branch of left internal iliac artery (curved arrow) and; (C) a 19x8x9 cm retroperitoneal hematoma which has increased in size.
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A CT scan of the abdomen showed a large (20x4x4 cm) retroperitoneal hematoma (Figure 1A). A repeat CT scan of the abdomen revealed a massive (19x8x9 cm) hematoma anterior to the left internal iliac vessels, with contrast extravasation from a branch of the left internal iliac artery (Figure 1B, 1C).
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