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Figure 27a. Biloma and pseudoaneurysm. (a) Initial contrast-enhanced CT scan shows multiple lacerations and a hematoma in the right hepatic lobe and the medial segment of the left hepatic lobe. (b) Follow-up contrast-enhanced CT scan obtained 26 days later shows development of a biloma (arrow) and a pseudoaneurysm (arrowhead). The patient underwent transarterial embolization and percutaneous catheter drainage. Clear noninfected bile was drained. (c) Radiograph shows a drainage catheter within the biloma (arrow), partial filling of the pseudoaneurysm with contrast material (arrowhead), and embolized microcoils.
