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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

Transverse subcostal USG (A) through the right upper quadrant shows a large cyst (arrow) with eccentric, lobulated soft tissue (arrowhead) along the anterior wall and with debris along the posterior wall. A transverse epigastric scan (B) demonstrates a rounded mass (arrowhead) in the region of the pancreatic head, medial to the large subhepatic cyst (arrow)
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Figure 0001: Transverse subcostal USG (A) through the right upper quadrant shows a large cyst (arrow) with eccentric, lobulated soft tissue (arrowhead) along the anterior wall and with debris along the posterior wall. A transverse epigastric scan (B) demonstrates a rounded mass (arrowhead) in the region of the pancreatic head, medial to the large subhepatic cyst (arrow)

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)

Transverse subcostal USG (A) through the right upper quadrant shows a large cyst (arrow) with eccentric, lobulated soft tissue (arrowhead) along the anterior wall and with debris along the posterior wall. A transverse epigastric scan (B) demonstrates a rounded mass (arrowhead) in the region of the pancreatic head, medial to the large subhepatic cyst (arrow)
© Copyright Policy - open-access
Related In: Results  -  Collection

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

Figure 0001: Transverse subcostal USG (A) through the right upper quadrant shows a large cyst (arrow) with eccentric, lobulated soft tissue (arrowhead) along the anterior wall and with debris along the posterior wall. A transverse epigastric scan (B) demonstrates a rounded mass (arrowhead) in the region of the pancreatic head, medial to the large subhepatic cyst (arrow)
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