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Case report: Cholangiocarcinoma in a choledochal cyst.

Chaturvedi A, Singh J, Rastogi V - Indian J Radiol Imaging (2008)

Bottom Line: Cholangiocarcinoma is a dreaded complication of unresected choledochal cysts, with an incidence approaching 20-30% in early adulthood.The risk of cholangiocarcinoma remains high where an internal drainage procedure has been performed and the cyst has been partially resected or left unresected.We report a case of cholangiocarcinoma occurring in an unresected choledochal cyst following a drainage procedure in infancy and highlight the role of PET/CT in its diagnosis.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiodiagnosis, Command Hospital Air Force, Bangalore, India.

ABSTRACT
Cholangiocarcinoma is a dreaded complication of unresected choledochal cysts, with an incidence approaching 20-30% in early adulthood. The risk of cholangiocarcinoma remains high where an internal drainage procedure has been performed and the cyst has been partially resected or left unresected. We report a case of cholangiocarcinoma occurring in an unresected choledochal cyst following a drainage procedure in infancy and highlight the role of PET/CT in its diagnosis.

No MeSH data available.


Related in: MedlinePlus

Contrast-enhanced axial CT scan through the inferior part of the cyst shows an enhancing, eccentric, lobulated mass (arrowhead) arising from the anterior wall of the cyst (arrow). Air and oral contrast within the cyst are noted
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Figure 0002: Contrast-enhanced axial CT scan through the inferior part of the cyst shows an enhancing, eccentric, lobulated mass (arrowhead) arising from the anterior wall of the cyst (arrow). Air and oral contrast within the cyst are noted

Mentions: USG revealed a large cystic lesion containing air and debris in the subhepatic region and a lobulated soft tissue mass along the anterior wall of this cyst inferiorly [Figure 1A]. Another separate, 2.5-cm, rounded solid mass was seen in the region of the pancreatic head [Figure 1B]. The common bile duct (CBD) was not separately visualized and there was pneumobilia, with dilatation of the proximal intrahepatic biliary radicles. CT scan revealed a large cystic mass completely replacing the CBD, with reflux of orally ingested iodinated contrast into the cyst as well as the intrahepatic biliary radicles, suggesting a biliary-enteric communication. The intracystic soft tissue mass and the pancreatic head mass showed significant enhancement [Figure 2]. MRCP showed the cystic duct entering the cyst, confirming it to be a dilated CBD [Figure 3]. The intracystic soft tissue showed up as large filling defects along the anteroinferior cyst wall.


Case report: Cholangiocarcinoma in a choledochal cyst.

Chaturvedi A, Singh J, Rastogi V - Indian J Radiol Imaging (2008)

Contrast-enhanced axial CT scan through the inferior part of the cyst shows an enhancing, eccentric, lobulated mass (arrowhead) arising from the anterior wall of the cyst (arrow). Air and oral contrast within the cyst are noted
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2747435&req=5

Figure 0002: Contrast-enhanced axial CT scan through the inferior part of the cyst shows an enhancing, eccentric, lobulated mass (arrowhead) arising from the anterior wall of the cyst (arrow). Air and oral contrast within the cyst are noted
Mentions: USG revealed a large cystic lesion containing air and debris in the subhepatic region and a lobulated soft tissue mass along the anterior wall of this cyst inferiorly [Figure 1A]. Another separate, 2.5-cm, rounded solid mass was seen in the region of the pancreatic head [Figure 1B]. The common bile duct (CBD) was not separately visualized and there was pneumobilia, with dilatation of the proximal intrahepatic biliary radicles. CT scan revealed a large cystic mass completely replacing the CBD, with reflux of orally ingested iodinated contrast into the cyst as well as the intrahepatic biliary radicles, suggesting a biliary-enteric communication. The intracystic soft tissue mass and the pancreatic head mass showed significant enhancement [Figure 2]. MRCP showed the cystic duct entering the cyst, confirming it to be a dilated CBD [Figure 3]. The intracystic soft tissue showed up as large filling defects along the anteroinferior cyst wall.

Bottom Line: Cholangiocarcinoma is a dreaded complication of unresected choledochal cysts, with an incidence approaching 20-30% in early adulthood.The risk of cholangiocarcinoma remains high where an internal drainage procedure has been performed and the cyst has been partially resected or left unresected.We report a case of cholangiocarcinoma occurring in an unresected choledochal cyst following a drainage procedure in infancy and highlight the role of PET/CT in its diagnosis.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiodiagnosis, Command Hospital Air Force, Bangalore, India.

ABSTRACT
Cholangiocarcinoma is a dreaded complication of unresected choledochal cysts, with an incidence approaching 20-30% in early adulthood. The risk of cholangiocarcinoma remains high where an internal drainage procedure has been performed and the cyst has been partially resected or left unresected. We report a case of cholangiocarcinoma occurring in an unresected choledochal cyst following a drainage procedure in infancy and highlight the role of PET/CT in its diagnosis.

No MeSH data available.


Related in: MedlinePlus