Tubulocystic Carcinoma of the Bile Duct

Figure 3

(a) T1-weighted magnetic resonance (MR) images showed the tumor with low intensity with lobulated borders. (b) The T2-weighted MR image shows the low signal portion indicating the cyst wall or bulkhead inside the high signal region. (c) In the hepatobiliary phase, the tumor showed low intensity. (d) On diffusion-weighted images, markedly high intensity was noted.

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