Fetal choledochal cyst diagnosed at 22 weeks of gestation by three-dimensional ultrasonography: a case report. (41/107)

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An unusual presentation of primary sclerosing cholangitis. (42/107)

This case report describes the unusual presentation of a patient who had findings which were initially suggestive of a type IV choledochal cyst. Her liver biopsy demonstrated biliary cirrhosis. She was treated with endoscopic retrograde cholangiopancreatography and biliary stent exchanges over one year. Her cholangiogram one year later demonstrated resolution of the biliary cystic dilation which led to her initial diagnosis, with beading and stricturing of the hepatic ducts consistent with primary sclerosing cholangitis. Liver-associated enzymes and physical findings also improved. A liver biopsy one year later demonstrated a marked improvement in hepatic fibrosis with no evidence of cirrhosis.  (+info)

Cystic disease of the liver and biliary tract. (43/107)

The widespread availability of ultrasound imaging has led to more frequent recognition of cystic disease affecting the liver and biliary tract. There is a wide range of possible causes. Cystic disease of infective origin is usually caused by an Echinococcal species, or as the sequel of a treated amoebic or pyogenic abscess. The clinical and radiological features are often then distinctive and will not be dwelt upon in this review, except in respect of their contribution to the differential diagnosis of non-infective disorders. The principal non-infective cysts can be conveniently divided between the simple cyst, the polycystic syndromes (usually with coexistent renal disease), Caroli's syndrome, and choledochal cysts. The overlap between constituent members of these groups, and the association of cystic disease with hepatic fibrosis (especially with congenital hepatic fibrosis) has attracted considerable attention, and it has been suggested that they may all be considered to belong to a hepatobiliary fibrocystic continuum. In addition there are a variety of cystic neoplasms and a miscellany of unusual forms.  (+info)

Imaging features of adult choledochal cysts: a pictorial review. (44/107)

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Dilated common bile ducts mimicking choledochal cysts in ketamine abusers. (45/107)

Substance abuse is a major health and social problem among Hong Kong youth and ketamine is the drug most commonly abused. Ketamine abuse is associated with a series of side-effects that include hallucination, nausea, vomiting, elevation of blood pressure, and urinary bladder dysfunction. Here we report three cases of ketamine abuse in which the abusers presented with recurrent epigastric pain and dilated common bile ducts that mimicked choledochal cysts on imaging. The dilated biliary tree may occur more frequently than was once assumed.  (+info)

Congenital choledochal malformation: not just a problem for children. (46/107)

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Biliary rhabdomyoscarcoma mimicking choledochal cyst. (47/107)

A 3-year old male presented with complaints of pruritus, abdominal pain for 3 weeks and jaundice. Stools were acholic. There was jaundice, liver palpable 3 cm below right costal margin, no ascites or palpable masses. Serology revealed albumin 2.9 g/dl; ammonia of 31 mmol/l; elevated conjugated bilirubin, GGT, ALT, AST and alkaline phosphatase; alpha fetoprotein 1.3 ngm/ml; BhCG 9.1 IU/; PT 12.3 secs, INR 0.9; negative hepatitis A,B,C serology. CT scan showed a non-calcified heterogeneously enhancing mass centered at the liver hilum. MRCP showed a large heterogeneously enhancing, partially solid mass in the region of the porta hepatic. Liver biopsy revealed patternless proliferation of polymorphic oval to spindled shaped neoplastic cells. There was bile ducts distortion. Immunohistochemistry revealed positivity for vimentin, desmin.These findings were diagnostic for biliary rhabdomyosarcoma.There was no evidence of metastasis. Chemotherapy was initiated. Repeat imaging 6 months after initiation of treatment showed improvement in the degree of intrahepatic ductal dilatation and decrease in tumor bulk size. Rhabdomyosarcoma is the most common malignant tumor of the biliary tree in childhood. It is difficult to diagnose and delayed diagnosis influences the prognosis.  (+info)

The different clinical and liver pathological characteristics between the newborns and infants with choledochal cysts. (48/107)

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