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**Narrowing of the portal veins or hepatic veins  
**Narrowing of the portal veins or hepatic veins  
**Lobar or segmental hepatic atrophy associated with vascular invasion
**Lobar or segmental hepatic atrophy associated with vascular invasion
[[image:CMRI2.PNG|500px|thumb|left|MRI showing Cholangiocarcinoma [https://radiopaedia.org/cases/cholangiocarcinoma-1:Case Case courtesy of Dr Ian Bickle, Radiopaedia.org, rID: 49009]]]


==References==
==References==

Revision as of 18:14, 5 February 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Farima Kahe M.D. [2]

Overview

On CT scan, cholangiocarcinoma is characterized by homogenously low in attenuation and demonstrate heterogenous minor peripheral enhancement with gradual enhancement centrally. Capsular retraction may be observed.

CT scan

  • Abdominal CT scan may be helpful in the diagnosis of cholangiocarcinoma. Findings on CT scan suggestive of cholangiocarcinoma include:[1][2]
    • Capsular retraction
    • Dilation of bile ducts distal to the mass
    • Narrowing of the portal veins or hepatic veins
    • Lobar or segmental hepatic atrophy associated with vascular invasion
MRI showing Cholangiocarcinoma Case courtesy of Dr Ian Bickle, Radiopaedia.org, rID: 49009

References

  1. Han, Joon Koo; Choi, Byung Ihn; Kim, Ah Young; An, Su Kyung; Lee, Joon Woo; Kim, Tae Kyung; Kim, Sun-Whe (2002). "Cholangiocarcinoma: Pictorial Essay of CT and Cholangiographic Findings". RadioGraphics. 22 (1): 173–187. doi:10.1148/radiographics.22.1.g02ja15173. ISSN 0271-5333.
  2. Vilgrain V (2008). "Staging cholangiocarcinoma by imaging studies". HPB (Oxford). 10 (2): 106–9. doi:10.1080/13651820801992617. PMC 2504386. PMID 18773065.

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