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Cholangiocarcinoma CT

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

Overview

Overview

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

CT scan

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
Ct scan showing Cholangiocarcinoma Source:Case Case courtesy of Dr Ian Bickle, Radiopaedia.org, rID: 49009[3]


References

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.
  3. “Cholangiocarcinoma | Radiology Case | Radiopaedia.org”.

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