Villous adenomas are benign epithelial lesions with malignant potential which can occur at any site in the gastrointestinal tract. They are usually encountered in the rectum and colon, less frequently in the small bowel and very rarely in the biliary trees. Nine cases of bile duct villous adenomas have been reported in the literature. However, 4 cases of bile duct villous adenomas have been reported in the Korean literature. Recently, we experienced a case of villous adenoma in the common hepatic duct in a 77-year-old man presenting with obstructive jaundice in which preoperative histologic diagnosis of villous adenoma played a critical role in managing this patient. Herein, we present a case report of bile duct villous adenoma and a review of the reported cases in Korea to help define and manage this rare disease entity in the bile ducts. In addition, confusing nomenclature of bile duct adenomas is discussed.
Adenoma, Villous/therapy* ; Adenoma, Villous/diagnosis ; Aged ; Bile Duct Neoplasms/therapy* ; Bile Duct Neoplasms/diagnosis ; Case Report ; Cholestasis/etiology ; Human ; Male

A 64-year-old male patient with liver cirrhosis underwent a CT study for hepatocellular carcinoma surveillance, which demonstrated a 1.4-cm hypervascular subcapsular tumor in the liver. On gadoxetic acid-enhanced MRI, the tumor showed brisk arterial enhancement and persistent hyperenhancement in the portal phase, but hypointensity in the hepatobiliary phase. On diffusion-weighted MRI, the tumor showed an apparent diffusion coefficient twofold greater than that of the background liver parenchyma, which suggested that the lesion was benign. The histologic diagnosis was intrahepatic bile duct adenoma with alcoholic liver cirrhosis.
Adenoma, Bile Duct/*diagnosis/etiology ; Bile Duct Neoplasms/*diagnosis/etiology ; *Bile Ducts, Intrahepatic ; Contrast Media/diagnostic use ; Diagnosis, Differential ; Diffusion Magnetic Resonance Imaging/*methods ; Gadolinium DTPA/diagnostic use ; Humans ; Liver Cirrhosis/*complications/diagnosis ; Male ; Middle Aged

Bile Duct Neoplasms ; etiology ; pathology ; Bile Ducts, Intrahepatic ; pathology ; Carcinoma in Situ ; etiology ; pathology ; Carcinoma, Papillary ; pathology ; Cholangitis, Sclerosing ; complications ; Diagnosis, Differential ; Humans ; Precancerous Conditions ; etiology ; pathology

No abstract available.
Bile Duct Neoplasms/complications/*diagnosis/pathology ; *Bile Ducts, Intrahepatic/pathology ; Cholangiocarcinoma/complications/*diagnosis/pathology ; Female ; Humans ; Lithiasis/*etiology/pathology/surgery ; Liver Diseases/*etiology/pathology/surgery ; Middle Aged

Biliary drainage in patients with malignant biliary obstruction relieves jaundice and prevents the development of cholangitis or hepatic failure from biliary obstruction. Therefore, this may result in better quality of life along with survival prolongation. Biliary stent placement is an effective and safe measure for biliary decompression and is preferred than bypass surgery in high risk patients. Entero-biliary perforation-communication is one of the rare complications of biliary stent. We herein report a case of duodeno-biliary perforation-communication in patient with distal cholangiocarcinoma who presented with duodenal ulcer and obstruction, occurring 4 years later from the metallic biliary stent insertion. Patient was managed with a pyloric metal stent and conservative care.
Aged, 80 and over ; Bile Duct Neoplasms/complications/*diagnosis ; Bile Ducts, Intrahepatic/pathology ; Biliary Fistula/*diagnosis/etiology/pathology ; Cholangiocarcinoma/complications/*diagnosis ; Duodenal Diseases/*diagnosis/etiology/pathology ; Female ; Humans ; Intestinal Fistula/*diagnosis/etiology/pathology ; Stents/*adverse effects ; Tomography, X-Ray Computed

BACKGROUND/AIMS: White bile is colorless, translucent fluid found occasionally in malignant bile duct obstruction (MBO). Little information is available on the cause and effect of white bile. The aim of this study was to determine the frequency and clinical significance of white bile in MBO. METHODS: Bile was aspirated during endoscopic retrograde cholangiopancreatography in consecutive patients with MBO. White bile was defined as bile bilirubin <1.5 mg/dL and yellow bile was defined as bile bilirubin >or=1.5 mg/dL in the bile. Two groups were compared prospectively for the duration of jaundice, itching, cholangitis, level of obstruction, and decremental rate of bilirubin after the insertion of 7 Fr endoscopic nasobiliary drainage until the insertion of metal stent or 10 Fr plastic stent. RESULTS: Among 60 patients with MBO, 16 (26.7%) had white bile. WBC count in blood was higher (9,456/mm3 vs. 7,400/mm3, p=0.029) and cholangitis was more common (11/16 vs. 7/44, p=0.000) in white than yellow bile group. Proximal portion of MBO had no communication with GB in 9/16 patients with white bile group and 17/44 patients with yellow bile group (p>0.05). Mean survival of the inoperable 35 patients was 242 days in yellow bile and 227 days in white bile group (p>0.05). CONCLUSIONS: White bile in MBO was not rare and was associated with cholangitis. Gallbladder did not seem to play a role in the formation of white bile. Further study for the pathogenesis and prognosis of white bile in MBO will be necessary.
Aged ; Bile/*chemistry/microbiology ; Bile Duct Neoplasms/*diagnosis/etiology/mortality ; Bilirubin/analysis ; Cholangiopancreatography, Endoscopic Retrograde ; Cholangitis/diagnosis/etiology/mortality ; Cholestasis/*diagnosis/etiology/mortality ; Data Interpretation, Statistical ; Drainage ; Female ; Humans ; Male ; Middle Aged ; Stents ; Survival Analysis

Anomalous union of the pancreaticobiliary duct (AUPBD) is a congenital anomaly that is defined as a junction of the bile duct and pancreatic duct outside the duodenal wall. This anomaly results in a loss of normal sphincteric mechanisms at the pancreaticobiliary junction. As a result, regurgitation of pancreatic juice into the biliary system develops and causes choledochal cysts, choledocholithiasis, cholangitis, pancreatitis and malignancy of the biliary tract. Gallbladder cancer or common bile duct cancer associated with AUPBD and choledochal cysts have been frequently reported. But, intrahepatic cholangiocarcinoma associated with this condition has been only rarely reported. Here, we report a case of intrahepatic cholangiocarcinoma associated with AUPBD and choledochal cyst.
Adult ; Bile Duct Neoplasms/*diagnosis/etiology/pathology ; *Bile Ducts, Intrahepatic ; Cholangiocarcinoma/*diagnosis/etiology/pathology ; Cholangiopancreatography, Endoscopic Retrograde ; Cholangiopancreatography, Magnetic Resonance ; Choledochal Cyst/complications/*diagnosis ; Female ; Humans ; Positron-Emission Tomography and Computed Tomography ; Tomography, X-Ray Computed

A case of hepatoma presenting as extrahepatic biliary obstruction due to hemobilia is reported. The patient, a 49-year-old woman, developed jaundice of the obstructive type after a history of B-viral hepatitis. On laparotomy, the liver revealed macronodular cirrhosis without any noticeable mass. A 4-cm sized friable tissue and blood clots were identified within the distended left hepatic duct. Pathologic examination of this tissue confirmed the diagnosis of hepatocellular carcinoma extended in the hepatic duct.
Bile Duct Obstruction, Extrahepatic/*etiology/pathology ; Biopsy ; Carcinoma, Hepatocellular/*complications/pathology/surgery ; Case Report ; Common Bile Duct/pathology ; Female ; Hemobilia/*complications ; Human ; Liver Cirrhosis/diagnosis ; Liver Neoplasms ; Middle Age

A case of hepatoma presenting as extrahepatic biliary obstruction due to hemobilia is reported. The patient, a 49-year-old woman, developed jaundice of the obstructive type after a history of B-viral hepatitis. On laparotomy, the liver revealed macronodular cirrhosis without any noticeable mass. A 4-cm sized friable tissue and blood clots were identified within the distended left hepatic duct. Pathologic examination of this tissue confirmed the diagnosis of hepatocellular carcinoma extended in the hepatic duct.
Bile Duct Obstruction, Extrahepatic/*etiology/pathology ; Biopsy ; Carcinoma, Hepatocellular/*complications/pathology/surgery ; Case Report ; Common Bile Duct/pathology ; Female ; Hemobilia/*complications ; Human ; Liver Cirrhosis/diagnosis ; Liver Neoplasms ; Middle Age

BACKGROUND/AIMS: There are several methods for obtaining tissue samples to diagnose malignant biliary strictures during endoscopic retrograde cholangiopancreatography (ERCP). However, each method has only limited sensitivity. This study aimed to evaluate the diagnostic accuracy of a combined triple-tissue sampling (TTS) method (on-site bile aspiration cytology, brush cytology, and forceps biopsy). METHODS: We retrospectively reviewed 168 patients with suspicious malignant biliary strictures who underwent double-tissue sampling (DTS; n=121) or TTS (n=47) via ERCP at our institution from 2004 to 2011. RESULTS: Among the 168 patients reviewed, 117 patients (69.6%) were eventually diagnosed with malignancies. The diagnostic sensitivity for cancer was significantly higher in the TTS group than the DTS group (85.0% vs 64.9%, respectively; p=0.022). Furthermore, the combination of brush cytology and forceps biopsy was superior to the other method combinations in the DTS group. With respect to cancer type (cholangiocarcinoma vs noncholangiocarcinoma), interestingly, the diagnostic sensitivity was higher for cholangiocarcinoma in the TTS group than the DTS group (100% vs 69.4%, respectively; p<0.001) but not for the non-cholangiocarcinoma patients (57.1% vs 57.1%, respectively). CONCLUSIONS: TTS can provide an improved diagnostic accuracy in suspicious malignant biliary strictures, particularly for cholangiocarcinoma.
Aged ; Ampulla of Vater/*pathology ; Bile Duct Neoplasms/complications/diagnosis/pathology ; Bile Ducts, Intrahepatic/*pathology ; Biopsy/*methods ; Biopsy, Needle ; Carcinoma/complications/diagnosis/pathology ; Cholangiocarcinoma/complications/*diagnosis/pathology ; Cholangiopancreatography, Endoscopic Retrograde/*methods ; Cholestasis/etiology ; Common Bile Duct Neoplasms/complications/*diagnosis/pathology ; Female ; Humans ; Male ; Middle Aged ; Pancreatic Neoplasms/complications/*diagnosis/pathology ; Retrospective Studies ; Sensitivity and Specificity