Cholangiocarcinoma CT: Difference between revisions

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{{Cholangiocarcinoma}}
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{{CMG}};{{AE}} {{PSK}}
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==Overview==
==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. [[Bile ducts]] distal to the mass are typically dilated.


==CT==
There are no CT scan findings associated with [disease name].
[[Computed tomography]] (CT) scan may also play an important role in the diagnosis of cholangiocarcinoma.<ref>{{cite journal |author=Valls C, Gumà A, Puig I, Sanchez A, Andía E, Serrano T, Figueras J |title=Intrahepatic peripheral cholangiocarcinoma: CT evaluation |journal=Abdom Imaging |volume=25 |issue=5 |pages=490-6 |year= |id=PMID 10931983}}</ref><ref>{{cite journal |author=Tillich M, Mischinger H, Preisegger K, Rabl H, Szolar D |title=Multiphasic helical CT in diagnosis and staging of hilar cholangiocarcinoma |journal=AJR Am J Roentgenol |volume=171 |issue=3 |pages=651-8 |year=1998 |id=PMID 9725291}}</ref><ref>{{cite journal |author=Zhang Y, Uchida M, Abe T, Nishimura H, Hayabuchi N, Nakashima Y |title=Intrahepatic peripheral cholangiocarcinoma: comparison of dynamic CT and dynamic MRI |journal=J Comput Assist Tomogr |volume=23 |issue=5 |pages=670-7 |year= |id=PMID 10524843}}</ref>
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*Mass-forming cholangiocarcinomas are typically homogeneously low in attenuation on noncontrast CT scan and demonstrate heterogeneous minor peripheral enhancement with gradual enhancement centrally.<ref name=radio>Cholangiocarcinoma. Radiopaedia. http://radiopaedia.org/articles/cholangiocarcinoma</ref>
*The rate and extent of enhancement depends on the degree of central fibrosis.
*Capsular retraction may be observed.
*Bile ducts distal to the mass are typically dilated.
*Narrowing of the portal veins or hepatic veins is observed.
*Lobar or segmental hepatic atrophy is usually associated with vascular invasion.


'''Periductal infiltrating''' intra-hepatic tumors appear as regions of thickening of the periductal parenchyma with altered caliber of the involved duct (narrowed or dilated). These are most common at the hepatic hilum. There is usually some distal dilatation of the biliary tree.
OR


'''Intraductal cholangiocarcinomas''' are characterized by alterations in duct caliber, usually ductectasia with or without a visible mass. If a polypoid mass is observed, it is hypoattenuating on pre-contrast imaging, and demonstrates enhancement.
[Location] CT scan may be helpful in the diagnosis of [disease name]. Findings on CT scan suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].


'''Delayed enhanced CT images demonstrate cholangiocarcinoma in the right hepatic lobe'''
OR
<gallery>
Image:


Cholangiocarcinoma-001.jpg
There are no CT scan findings associated with [disease name]. However, a CT scan may be helpful in the diagnosis of complications of [disease name], which include [complication 1], [complication 2], and [complication 3].


Image:
==CT scan==


Cholangiocarcinoma-002.jpg
*There are no CT scan findings associated with [disease name].
 
OR
Image:
*[Location] CT scan may be helpful in the diagnosis of [disease name]. Findings on CT scan suggestive of/diagnostic of [disease name] include:
 
**[Finding 1]
Cholangiocarcinoma-003.jpg
**[Finding 2]
 
**[Finding 3]
Image:
OR
 
There are no CT scan findings associated with [disease name]. However, a CT scan may be helpful in the diagnosis of complications of [disease name], which include:
Cholangiocarcinoma-004.jpg
[Complication 1]
 
[Complication 2]
</gallery>
[Complication 3]


==References==
==References==
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{{Reflist|2}}
 
[[Category:Disease]]
[[Category:Rare cancers]]
[[Category:Rare diseases]]
[[Category:Types of cancer]]
[[Category:Hepatology]]
[[Category:Gastroenterology]]


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[[Category:Up-To-Date]]
[[Category: (name of the system)]]
[[Category:Oncology]]
[[Category:Medicine]]
[[Category:Gastroenterology]]
[[Category:Surgery]]

Revision as of 16:06, 29 January 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

There are no CT scan findings associated with [disease name].

OR

[Location] CT scan may be helpful in the diagnosis of [disease name]. Findings on CT scan suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].

OR

There are no CT scan findings associated with [disease name]. However, a CT scan may be helpful in the diagnosis of complications of [disease name], which include [complication 1], [complication 2], and [complication 3].

CT scan

  • There are no CT scan findings associated with [disease name].

OR

  • [Location] CT scan may be helpful in the diagnosis of [disease name]. Findings on CT scan suggestive of/diagnostic of [disease name] include:
    • [Finding 1]
    • [Finding 2]
    • [Finding 3]

OR There are no CT scan findings associated with [disease name]. However, a CT scan may be helpful in the diagnosis of complications of [disease name], which include: [Complication 1] [Complication 2] [Complication 3]

References

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