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Figure 1a. Early arterial phase contrast material-enhanced CT images in a patient with arterioportal shunts, telangiectases, and large confluent vascular masses. Transverse (a) CT scan and (b) MIP reconstructed image show the early opacification of portal veins (white arrowheads) caused by the presence of intraparenchymal shunts. Some circular highly enhanced vascular pools (black arrowheads) and several small enhanced lesions (arrows) corresponding to large confluent vascular masses and telangiectases, respectively, are also evident, especially in b.