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KMID : 0376419840080010257
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Chonbuk University Medical Journal
1984 Volume.8 No. 1 p.257 ~ p.263
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Radiologic Evaluation of Choledochal Cyst
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Abstract
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Choledochal cyst (congenital cytic dilatation of the common bile duct) is a relatively rare malformation. Recently, improved diagnostic techniques are demonstrating an increasing number of unsuspected choledochal cysts.
The authors evaluated six cases of surgically proven choledoc.rtal cyst diagnosed by radiological modalities.
The results are follows
1. All patients were- female and age distribution was from 7 months to 19 years.
2. The most frequent symptoms were abdominal pain and palpable abdominal mass, which was followed by jaundice.
3. Diagnostic modalities were intravenous cholangiography(1 case), upper G-I series (4 cases), ultrasonography(4 cases), 99mTc-HIDA cholescintigraphy (2 cases) and abdominal computed tomography (1 case).
4. All cases were type I of Powell classification, -morphologically.
5. Findings on ultrasonography (4 cases) included a large cystic mass in the Aorta hepatis separate from the gallbladder ; a dilated common hepatic or common bile duct entering directly into the cyst ; normal or dilated gallbladder ; and choledocholithiasis.
g. 99mTc HIDA eholescintigraphy(2 cases) confirmed the diagnosis of choledochal cyst by demonstrating filling of the cyst with stasis and delayed intestinal activity.
7. The accurate preoperative diagnosis of choledochal cyst, made by imaging modalities such as ultrasonography, 99mTcHIDA cholescintigraphy and abdominal computed tomography, obviated invasive studies such as intravenous cholangiography, arteriography, endoscopic retrograde cholangiopancieatography and percutaneous transhepatic cholangiography.
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