Spontaneous hemoperitoneum from hepatic metastatic trophoblastic tumor

Figure 1 Axial computed tomography showing multiple hypodense nodules in the liver and hemoperitoneum around the liver and spleen.

Figure 2 Contrast-enhanced computed tomography scan showing multiple hypervascular nodules similar to the enhancement of abdominal aortic aorta in the arterial phase.

Figure 3 Volume rendering images showing multiple hypervascular nodules similar to saccular aneurysmal dilation and the presence of arterioportal shunts (white arrow). A: Multiple hypervascular nodules similar to saccular aneurysmal dilation; B: Presence of arterioportal shunts.

Figure 4 Histopathology showing the tumor composed of mononuclear epithelioid cells with large, irregularly shaped nuclei (hematoxylin and eosin stain × 200).

Figure 5 Immunohistochemical analysis was positive for placental alkaline phosphatase (× 200).