Cholangiocarcinoma other imaging findings: Difference between revisions
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===Endoscopic Ultrasound=== | ===Endoscopic Ultrasound=== | ||
*Performed at the time of ERCP | |||
*Increase the accuracy of the biopsy and yield information on [[lymph node]] invasion and operability <ref>{{cite journal |author=Sugiyama M, Hagi H, Atomi Y, Saito M |title=Diagnosis of portal venous invasion by pancreatobiliary carcinoma: value of endoscopic ultrasonography |journal=Abdom Imaging |volume=22 |issue=4 |pages=434-8 |year= |id=PMID 9157867}}</ref> | |||
===Percutaneous Transhepatic Cholangiography=== | ===Percutaneous Transhepatic Cholangiography (PTC)=== | ||
*Alternative technique for ERCP | |||
===Direct Cholangiography=== | ===Direct Cholangiography=== | ||
*Evaluation of the the biliary tree | |||
*Planning treatment as assessing for resectability | |||
===[[Magnetic resonance cholangiopancreatography]] (MRCP)=== | ===[[Magnetic resonance cholangiopancreatography]] (MRCP)=== | ||
*[[Non-invasive]] alternative to ERCP.<ref>{{cite journal |author=Schwartz L, Coakley F, Sun Y, Blumgart L, Fong Y, Panicek D |title=Neoplastic pancreaticobiliary duct obstruction: evaluation with breath-hold MR cholangiopancreatography |journal=AJR Am J Roentgenol |volume=170 |issue=6 |pages=1491–5 |year=1998 |id=PMID 9609160 | *[[Non-invasive]] alternative to ERCP.<ref>{{cite journal |author=Schwartz L, Coakley F, Sun Y, Blumgart L, Fong Y, Panicek D |title=Neoplastic pancreaticobiliary duct obstruction: evaluation with breath-hold MR cholangiopancreatography |journal=AJR Am J Roentgenol |volume=170 |issue=6 |pages=1491–5 |year=1998 |id=PMID 9609160}}</ref> | ||
*More accurately define the tumor and avoids the risks of ERCP <ref>{{cite journal |author=Yeh T, Jan Y, Tseng J, Chiu C, Chen T, Hwang T, Chen M |title=Malignant perihilar biliary obstruction: magnetic resonance cholangiopancreatographic findings |journal=Am J Gastroenterol |volume=95 |issue=2 |pages=432-40 |year=2000 |id=PMID 10685746}}</ref><ref>{{cite journal |author=Freeman M, Sielaff T |title=A modern approach to malignant hilar biliary obstruction |journal=Rev Gastroenterol Disord |volume=3 |issue=4 |pages=187–201 |year=2003 |id=PMID 14668691}}</ref> | *More accurately define the tumor and avoids the risks of ERCP <ref>{{cite journal |author=Yeh T, Jan Y, Tseng J, Chiu C, Chen T, Hwang T, Chen M |title=Malignant perihilar biliary obstruction: magnetic resonance cholangiopancreatographic findings |journal=Am J Gastroenterol |volume=95 |issue=2 |pages=432-40 |year=2000 |id=PMID 10685746}}</ref><ref>{{cite journal |author=Freeman M, Sielaff T |title=A modern approach to malignant hilar biliary obstruction |journal=Rev Gastroenterol Disord |volume=3 |issue=4 |pages=187–201 |year=2003 |id=PMID 14668691}}</ref> | ||
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Cholangiocarcinoma other imaging findings On the Web |
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American Roentgen Ray Society Images of Cholangiocarcinoma other imaging findings |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Suveenkrishna Pothuru, M.B,B.S. [2]
Overview
Other imaging studies for cholangiocarcinoma include endoscopic retrograde cholangiopancreatography, endoscopic ultrasound, percutaneous transhepatic cholangiography, and MRCP.
ERCP
While abdominal imaging can be useful in the diagnosis of cholangiocarcinoma, direct imaging of the bile duct is often necessary. Endoscopic retrograde cholangiopancreatography (ERCP) has been widely used for this purpose. Although ERCP is an invasive procedure with attendant risks, its advantages include:
- Determine if there is a bile duct tumor and obtain a biopsy to look for cancer cells
- Observe if cancer has spread from the bile ducts
- Help plan surgery
- Place a small tube (stent) into the bile duct to relieve a blockage caused by a tumor
Endoscopic Ultrasound
- Performed at the time of ERCP
- Increase the accuracy of the biopsy and yield information on lymph node invasion and operability [1]
Percutaneous Transhepatic Cholangiography (PTC)
- Alternative technique for ERCP
Direct Cholangiography
- Evaluation of the the biliary tree
- Planning treatment as assessing for resectability
Magnetic resonance cholangiopancreatography (MRCP)
- Non-invasive alternative to ERCP.[2]
- More accurately define the tumor and avoids the risks of ERCP [3][4]
References
- ↑ Sugiyama M, Hagi H, Atomi Y, Saito M. "Diagnosis of portal venous invasion by pancreatobiliary carcinoma: value of endoscopic ultrasonography". Abdom Imaging. 22 (4): 434–8. PMID 9157867.
- ↑ Schwartz L, Coakley F, Sun Y, Blumgart L, Fong Y, Panicek D (1998). "Neoplastic pancreaticobiliary duct obstruction: evaluation with breath-hold MR cholangiopancreatography". AJR Am J Roentgenol. 170 (6): 1491–5. PMID 9609160.
- ↑ Yeh T, Jan Y, Tseng J, Chiu C, Chen T, Hwang T, Chen M (2000). "Malignant perihilar biliary obstruction: magnetic resonance cholangiopancreatographic findings". Am J Gastroenterol. 95 (2): 432–40. PMID 10685746.
- ↑ Freeman M, Sielaff T (2003). "A modern approach to malignant hilar biliary obstruction". Rev Gastroenterol Disord. 3 (4): 187–201. PMID 14668691.