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 Indian J Med Microbiol  
 

Figure 5 (A-G): A 79-year-old female with type IV hilar cholangiocarcinoma. (A) Noncontrast CT scan shows low density mass at porta hepatis (single black arrow). (B) Transverse CT scan in arterial phase shows hypoattenuating tumor (single black arrow) encasing the hepatic artery (double black arrow). (C) Note the invasion of the adjacent liver parenchyma (single black arrow) and the small node in lesser sac (double black arrow). (D) Post-contrast delayed image shows retention of contrast material within the tumor (single black arrow). Type IV mass-forming tumor is very well detected on axial T2W images with (E) and without fat suppression (F) in different patients (single white arrow). MRCP image (G) shows isolation of bilateral sectoral ducts (single white arrow)

Figure 5 (A-G): A 79-year-old female with type IV hilar cholangiocarcinoma. (A) Noncontrast CT scan shows low density mass at porta hepatis (single black arrow). (B) Transverse CT scan in arterial phase shows hypoattenuating tumor (single black arrow) encasing the hepatic artery (double black arrow). (C) Note the invasion of the adjacent liver parenchyma (single black arrow) and the small node in lesser sac (double black arrow). (D) Post-contrast delayed image shows retention of contrast material within the tumor (single black arrow). Type IV mass-forming tumor is very well detected on axial T2W images with (E) and without fat suppression (F) in different patients (single white arrow). MRCP image (G) shows isolation of bilateral sectoral ducts (single white arrow)