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Figure 1a. Pelvic hematoma in a 42-year-old woman who was ejected from an automobile when it hit a tree. (a) Initial CT scan shows a large pelvic hematoma with evidence of active extravasation (arrow). During transfer to surgery, the patient received 10 units of blood and continued to require fluids to maintain systolic blood pressure above 90 mm Hg. Five liters of blood were discovered in the pelvis at surgery, and the only identified sources were the lateral cervical stalks. These stalks were ligated, and the wound was packed. A large hematoma was discovered arising from the pelvis. On arrival at the angiography suite, the patient was hypothermic with coagulopathy. (b) Early image from pelvic angiography demonstrates right ileolumbar extravasation (arrow). (c) Late image demonstrates additional foci of extravasation at multiple sites of pubic ramus fracture (arrows). (d) Angiogram demonstrates embolization of the internal iliac arteries with absorbable gelatin sponge particles (Gelfoam; Pharmacia & Upjohn, Kalamazoo, Mich). Although there were additional areas of probable extravasation, deterioration in the patient's respiratory status prompted immediate transfer to the intensive care unit. The patient was resuscitated, and the hypothermia and coagulopathy were treated successfully. However, transfusion requirements remained unchanged, and the patient underwent further angiographic intervention. (e) Angiogram demonstrates interval recanalization of the majority of the right internal iliac artery distribution. Extravasation from right ileolumbar branches (arrows) (cf b) and from a branch of the left internal iliac artery is seen. These vessels were selectively catheterized and embolized with absorbable gelatin sponge particles. The patient's condition stabilized, and the next day she underwent complete hysterectomy.
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