1.Excerpt from the 2022 American Association for the Study of Liver Diseases clinical practice guideline: management of primary sclerosing cholangitis and cholangiocarcinoma.
Chinese Journal of Hepatology 2023;31(1):35-41
		                        		
		                        			
		                        			What are the new contents of the guideline since 2010?A.Patients with primary and non-primary sclerosing cholangitis (PSC) are included in these guidelines for the diagnosis and management of cholangiocarcinoma.B.Define "related stricture" as any biliary or hepatic duct stricture accompanied by the signs or symptoms of obstructive cholestasis and/or bacterial cholangitis.C.Patients who have had an inconclusive report from MRI and cholangiopancreatography should be reexamined by high-quality MRI/cholangiopancreatography for diagnostic purposes. Endoscopic retrograde cholangiopancreatography should be avoided for the diagnosis of PSC.D. Patients with PSC and unknown inflammatory bowel disease (IBD) should undergo diagnostic colonoscopic histological sampling, with follow-up examination every five years until IBD is detected.E. PSC patients with IBD should begin colon cancer monitoring at 15 years of age.F. Individual incidence rates should be interpreted with caution when using the new clinical risk tool for PSC for risk stratification.G. All patients with PSC should be considered for clinical trials; however, if ursodeoxycholic acid (13-23 mg/kg/day) is well tolerated and after 12 months of treatment, alkaline phosphatase (γ- Glutamyltransferase in children) and/or symptoms are significantly improved, it can be considered to continue to be used.H. Endoscopic retrograde cholangiopancreatography with cholangiocytology brushing and fluorescence in situ hybridization analysis should be performed on all patients suspected of having hilar or distal cholangiocarcinoma.I.Patients with PSC and recurrent cholangitis are now included in the new unified network organ sharing policy for the end-stage liver disease model standard.J. Liver transplantation is recommended after neoadjuvant therapy for patients with unresectable hilar cholangiocarcinoma with diameter < 3 cm or combined with PSC and no intrahepatic (extrahepatic) metastases.
		                        		
		                        		
		                        		
		                        			Child
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Cholangitis, Sclerosing/diagnosis*
		                        			;
		                        		
		                        			Constriction, Pathologic/complications*
		                        			;
		                        		
		                        			In Situ Hybridization, Fluorescence
		                        			;
		                        		
		                        			Cholangiocarcinoma/therapy*
		                        			;
		                        		
		                        			Liver Diseases/complications*
		                        			;
		                        		
		                        			Cholestasis
		                        			;
		                        		
		                        			Inflammatory Bowel Diseases/therapy*
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		                        			Bile Ducts, Intrahepatic/pathology*
		                        			;
		                        		
		                        			Bile Duct Neoplasms/therapy*
		                        			
		                        		
		                        	
2.Icteric Intraductal Hepatocellular Carcinoma and Bile Duct Thrombus Masquerading as Hilar Cholangiocarcinoma.
Ye Xin KOH ; Ser Yee LEE ; Aik Yong CHOK ; Alexander Yf CHUNG
Annals of the Academy of Medicine, Singapore 2016;45(3):113-116
		                        		
		                        		
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Bile Duct Diseases
		                        			;
		                        		
		                        			complications
		                        			;
		                        		
		                        			diagnostic imaging
		                        			;
		                        		
		                        			pathology
		                        			;
		                        		
		                        			Bile Duct Neoplasms
		                        			;
		                        		
		                        			diagnosis
		                        			;
		                        		
		                        			Carcinoma, Hepatocellular
		                        			;
		                        		
		                        			complications
		                        			;
		                        		
		                        			diagnostic imaging
		                        			;
		                        		
		                        			pathology
		                        			;
		                        		
		                        			Diagnosis, Differential
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Jaundice, Obstructive
		                        			;
		                        		
		                        			etiology
		                        			;
		                        		
		                        			Klatskin Tumor
		                        			;
		                        		
		                        			diagnosis
		                        			;
		                        		
		                        			Liver Neoplasms
		                        			;
		                        		
		                        			complications
		                        			;
		                        		
		                        			diagnostic imaging
		                        			;
		                        		
		                        			pathology
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Thrombosis
		                        			;
		                        		
		                        			complications
		                        			;
		                        		
		                        			diagnostic imaging
		                        			;
		                        		
		                        			pathology
		                        			;
		                        		
		                        			Tomography, X-Ray Computed
		                        			
		                        		
		                        	
3.Intrahepatic bile duct adenoma in a patient with chronic hepatitis B accompanied by elevation of alpha-fetoprotein.
Jem Ma AHN ; Yong Han PAIK ; Jun Hee LEE ; Ju Yeon CHO ; Won SOHN ; Geum Youn GWAK ; Moon Seok CHOI ; Joon Hyeok LEE ; Kwang Cheol KOH ; Seung Woon PAIK ; Byung Chul YOO
Clinical and Molecular Hepatology 2015;21(4):393-397
		                        		
		                        			
		                        			A 51-year-old male patient with chronic hepatitis B was referred to our hospital due to a 1-cm liver nodule on ultrasonography. Alpha-fetoprotein (AFP) was slightly elevated. The nodule showed prolonged enhancement on dynamic liver magnetic resonance imaging and appeared as a hyperintensity on both diffusion-weighted and T2-weighted imaging. The nodule was followed up because it was small and typical findings of hepatocellular carcinoma (HCC) were not observed in the dynamic imaging investigations. However, liver contrast-enhanced ultrasonography performed 1 month later showed enhancement during the arterial phase and definite washout during the delayed phase. Also, AFP had increased to over 200 ng/mL even though AST and ALT were decreased after administering an antiviral agent. He was presumptively diagnosed as HCC and underwent liver segmentectomy. Microscopy findings of the specimen indicated bile duct adenoma. After resection, the follow-up AFP had decreased to within the normal range. This patient represents a case of bile duct adenoma with AFP elevation mimicking HCC on contrast-enhanced ultrasonography.
		                        		
		                        		
		                        		
		                        			Bile Duct Neoplasms/*complications/*diagnosis/pathology
		                        			;
		                        		
		                        			*Bile Ducts, Intrahepatic
		                        			;
		                        		
		                        			Hepatitis B, Chronic/*complications/*diagnosis/pathology
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		                        			Humans
		                        			;
		                        		
		                        			Liver/pathology/ultrasonography
		                        			;
		                        		
		                        			Magnetic Resonance Imaging
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Tomography, X-Ray Computed
		                        			;
		                        		
		                        			alpha-Fetoproteins/*metabolism
		                        			
		                        		
		                        	
4.Value of PUSSOM and P-POSSUM for the prediction of surgical operative risk in patients undergoing pancreaticoduodenectomy for periampullary tumors.
Yingtai CHEN ; Yunmian CHU ; Xu CHE ; Email: DRCHEXU@163.COM. ; Zhongmin LAN ; Jianwei ZHANG ; Chengfeng WANG
Chinese Journal of Oncology 2015;37(6):461-465
OBJECTIVETo investigate the value of Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity (POSSUM) and a modification of the POSSUM system (P-P0SSUM) scoring system in predicting the surgical operative risk of pancreaticoduodenectomy for periampullary tumors.
METHODSPOSSUM and P-POSSUM scoring systems were used to retrospectively evaluate the clinical data of 432 patients with periampullar tumors who underwent pancreaticoduodenectomy in the Department of Abdominal Surgery, Cancer Hospital, Chinese Academy of Medical Sciences from January 1985 to December 2010. The predictive occurrence of postoperative complications and mortality rate were calculated according to the formula. ROC curve analysis and different group of risk factors were used to determine the discrimination ability of the two score systems, and to determine their predictive efficacy by comparing the actual and predictive complications and mortality rates, using Hosmer-Lemeshow test to determine the goodness of fit of the two scoring systems.
RESULTSThe average physiological score of the 432 patients was 16.1 ± 3.5, and the average surgical severity score was 19.6 ± 2.7. ROC curve analysis showed that the area under ROC curve for mortality predicted by POSSUM and P-POSSUM were 0.893 and 0.888, showing a non-significant difference (P > 0.05) between them. The area under ROC curve for operative complications predicted by POSSUM scoring system was 0.575. The POSSUM score system was most accurate for the prediction of complication rates of 20%-40%, showing the O/E value of 0.81. Compared with the POSSUM score system, P-POSSUM had better ability in the prediction of postoperative mortality, when the predicted value of mortality was greater than 15%, the predictive result was more accurate, and the O/E value was 1.00.
CONCLUSIONSPOSSUM and P-POSSUM scoring system have good value in predicting the mortality of patients with periampullary tumors undergoing pancreaticoduodenectomy, but a poorer value of POSSUM score system in prediction of complications. We can establish a more suitable scoring system for pancreaticoduodenectomy by modifying the score constant and weight, to better predict surgical risk and reduce the operative complications and mortality.
Ampulla of Vater ; Common Bile Duct Neoplasms ; mortality ; surgery ; Humans ; Morbidity ; Pancreaticoduodenectomy ; adverse effects ; mortality ; Postoperative Complications ; diagnosis ; mortality ; Postoperative Period ; Predictive Value of Tests ; ROC Curve ; Retrospective Studies ; Risk Assessment ; Risk Factors
5.Cholangiocarcinoma with a paraneoplastic leukemoid reaction mimicking a pyogenic liver abscess.
Hyoju HAM ; Hee Yeon KIM ; Kyung Jin SEO ; Su Lim LEE ; Chang Wook KIM
The Korean Journal of Internal Medicine 2015;30(1):110-113
		                        		
		                        			
		                        			No abstract available.
		                        		
		                        		
		                        		
		                        			Bile Duct Neoplasms/complications/*diagnosis
		                        			;
		                        		
		                        			*Bile Ducts, Intrahepatic/chemistry/pathology/radiography
		                        			;
		                        		
		                        			Biopsy
		                        			;
		                        		
		                        			Cholangiocarcinoma/complications/*diagnosis
		                        			;
		                        		
		                        			Diagnosis, Differential
		                        			;
		                        		
		                        			Fever/diagnosis/*etiology
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		                        			Humans
		                        			;
		                        		
		                        			Immunohistochemistry
		                        			;
		                        		
		                        			Leukocytosis/*diagnosis/etiology
		                        			;
		                        		
		                        			*Liver/chemistry/pathology/radiography
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		                        			Liver Abscess, Pyogenic/*diagnosis
		                        			;
		                        		
		                        			Magnetic Resonance Imaging
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		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Paraneoplastic Syndromes/*diagnosis/etiology
		                        			;
		                        		
		                        			Predictive Value of Tests
		                        			;
		                        		
		                        			Tomography, Spiral Computed
		                        			;
		                        		
		                        			Tumor Markers, Biological/analysis
		                        			
		                        		
		                        	
6.Triple-Tissue Sampling during Endoscopic Retrograde Cholangiopancreatography Increases the Overall Diagnostic Sensitivity for Cholangiocarcinoma.
Seung June LEE ; Yoon Suk LEE ; Min Geun LEE ; Sang Hyub LEE ; Eun SHIN ; Jin Hyeok HWANG
Gut and Liver 2014;8(6):669-673
		                        		
		                        			
		                        			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
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		                        			Cholestasis/etiology
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		                        			Common Bile Duct Neoplasms/complications/*diagnosis/pathology
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Pancreatic Neoplasms/complications/*diagnosis/pathology
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Sensitivity and Specificity
		                        			
		                        		
		                        	
8.Percutaneous Placement of Self-Expandable Metallic Stents in Patients with Obstructive Jaundice Secondary to Metastatic Gastric Cancer after Gastrectomy.
Hyun Pyo HONG ; Tae Seok SEO ; In Ho CHA ; Jung Rim YU ; Young Jae MOK ; Joo Hyeong OH ; Se Hwan KWON ; Sam Soo KIM ; Seung Kwon KIM
Korean Journal of Radiology 2013;14(5):789-796
		                        		
		                        			
		                        			OBJECTIVE: To evaluate the outcomes of patients undergoing percutaneous placements of a biliary stent for obstructive jaundice secondary to metastatic gastric cancer after gastrectomy. MATERIALS AND METHODS: Fifty patients (mean age, 62.4 years; range, 27-86 years) who underwent percutaneous placements of a biliary stent for obstructive jaundice secondary to metastatic gastric cancer after gastrectomy were included. The technical success rate, clinical success rate, complication rate, stent patency, patient survival and factors associated with stent patency were being evaluated. RESULTS: The median interval between the gastrectomy and stent placement was 23.1 months (range, 3.9-94.6 months). The 50 patients received a total of 65 stents without any major procedure-related complications. Technical success was achieved in all patients. The mean total serum bilirubin level, which had been 7.19 mg/dL +/- 6.8 before stent insertion, decreased to 4.58 mg/dL +/- 5.4 during the first week of follow-up (p < 0.001). Clinical success was achieved in 42 patients (84%). Percutaneous transhepatic biliary drainage catheters were removed from 45 patients (90%). Infectious complications were noted in two patients (4%), and stent malfunction occurred in seven patients (14%). The median stent patency was 233 +/- 99 days, and the median patient survival was 179 +/- 83 days. Total serum bilirubin level after stenting was an independent factor for stent patency (p = 0.009). CONCLUSION: Percutaneous transhepatic placement of a biliary stent for obstructive jaundice secondary to metastatic gastric cancer after gastrectomy is a technically feasible and clinically effective palliative procedure.
		                        		
		                        		
		                        		
		                        			Adult
		                        			;
		                        		
		                        			Aged
		                        			;
		                        		
		                        			Aged, 80 and over
		                        			;
		                        		
		                        			Bile Duct Neoplasms/complications/secondary/*surgery
		                        			;
		                        		
		                        			Bile Ducts, Extrahepatic/*surgery
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Follow-Up Studies
		                        			;
		                        		
		                        			Gastrectomy
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Jaundice, Obstructive/diagnosis/etiology/*surgery
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Prosthesis Design
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			*Stents
		                        			;
		                        		
		                        			Stomach Neoplasms/*complications/secondary/surgery
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
9.Diffusion-Weighted MRI in Intrahepatic Bile Duct Adenoma Arising from the Cirrhotic Liver.
Chansik AN ; Sumi PARK ; Yoon Jung CHOI
Korean Journal of Radiology 2013;14(5):769-775
		                        		
		                        			
		                        			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
		                        			
		                        		
		                        	
10.A Case of Adenocarcinoma in situ of the Distal Common Bile Duct Diagnosed by Percutaneous Transhepatic Cholangioscopy.
Hyo Joon YANG ; Jai Hwan KIM ; Jae Young CHUN ; Su Jin KIM ; Sang Hyub LEE ; Haeryoung KIM ; Jin Hyeok HWANG
The Korean Journal of Internal Medicine 2012;27(2):211-215
		                        		
		                        			
		                        			Extrahepatic cholangiocarcinoma is often clinically challenging to diagnose. Even multidisciplinary approaches which include computed tomography, magnetic resonance imaging, and endoscopic retrograde cholangiography are unsatisfactory in some cases, especially with biliary stricture. Percutaneous transhepatic cholangioscopy (PTCS) with its direct visualization for biopsy appears to be a promising technique for detecting cholangiocarcinoma at an early stage. We report a case of adenocarcinoma in situ of the distal common bile duct (CBD) that was confirmed by PTCS. This case suggests the useful role of PTCS in the differential diagnosis of a distal CBD obstruction, particularly when other diagnostic modalities do not provide definitive information.
		                        		
		                        		
		                        		
		                        			Carcinoma in Situ/complications/*diagnosis/pathology/surgery
		                        			;
		                        		
		                        			Cholangiocarcinoma/complications/*diagnosis/pathology/surgery
		                        			;
		                        		
		                        			Cholangiopancreatography, Endoscopic Retrograde
		                        			;
		                        		
		                        			Cholestasis, Extrahepatic/diagnosis/etiology
		                        			;
		                        		
		                        			Common Bile Duct/*pathology/surgery
		                        			;
		                        		
		                        			Common Bile Duct Neoplasms/complications/*diagnosis/pathology/surgery
		                        			;
		                        		
		                        			Constriction, Pathologic
		                        			;
		                        		
		                        			*Endoscopy, Digestive System
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Middle Aged
		                        			;
		                        		
		                        			Pancreaticoduodenectomy
		                        			;
		                        		
		                        			Predictive Value of Tests
		                        			;
		                        		
		                        			Tomography, X-Ray Computed
		                        			;
		                        		
		                        			Treatment Outcome
		                        			
		                        		
		                        	
            
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