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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 8 (1961), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1436-2813
    Keywords: benign biliary stricture ; biliobiliary anastomosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The inverting and everting methods of biliobiliary anastomoses were compared histopathologically and electron microscopically. Epithelialization started on the 3rd post-operative day and occurred within 8 mm of the anastomosis with an earlier and more active epithelialization being seen in the proximal area than in the distal. A rapid decrease of the mucosal defect was seen for 3–5 days which slowed down thereafter, and closure was achieved by 30 days after the anastomosis in both groups. The everted group showed a smoother and more rapid healing process, quicker epithelialization, and less mucosal defects than the inverted group. In the chronic phase, the inverted group showed more papillary hyperplasia and more pronounced fibrosis of the wall. The stricture index, being the internal circumference of the common bile duct: proximal×2/anastomosis site + duodenal×100, of the everted group was 123.7% compared to 146.7% for the inverted group, but there was no statistical difference. There was no difference in the total area of crypts, representing the epithelialization, between the two groups. Anastomoses with proximal dilatation therefore healed more slowly than those without dilatation. These findings show everted anastomosis to be superior to inverted anastomosis and thus support the usefulness of T-tube drainage to prevent post-operative dilatation of the bile duct.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Surgery today 3 (1973), S. 21-31 
    ISSN: 1436-2813
    Keywords: bile duct ; benign stricture ; bile duct injury ; bile duct repair ; bilioenteric anastomosis ; hepaticojejunostomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Cases of benign bile duct stricture treated during the past ten years were reviewed in reference to the location of the bile duct stricture, the method of repair and their long-term results. Common hepatic duct was the most frequent site of bile duct involved. Bilioenteric anastomosis in the form of retrocolic hepaticojejunostomy (Roux-Y) was the method of repair most frequently used. Brief survey was made on the current literatures concerning the methods of repair of benign bile duct stricture.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1436-2813
    Keywords: scintigraphy ; angiography ; liver metastasis ; false negative ; false positive
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract One hundred and seventy cases of cancer of digestive tract were separated into three groups, advanced gastric cancer, biliary and/or pancreatic cancer and colorectal cancer. The presence of liver metastasis in each group was studied preoperatively by either liver scintigraphy or celiac and superior mesenteric angiography. In advanced gastric cancer and colorectal cancer, false negative ranged between 6.7–12.7 per cent by both scintigraphy and angiography. In biliary tract and/or pancreatic cancer, the ratio of false negative was significantly higher i.e. 18.8–22.6 per cent, which suggests the difficulty in diagnosing liver metastasis correctly in this group. The most frequent occurrences of false positive either in scintigraphy or angiography were those of masses of less than 2 cm in diameter. The difference in correct diagnosis ratio for liver metastasis between scintigraphy and angiography in all three groups was only 2.9 per cent. Hence, liver scintigraphy seems to be preferable for the puropse of detecting liver metastasis prior to surgery, since further angiographical examination entails irradiation, possible complications and economic factors.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Surgery today 12 (1982), S. 13-18 
    ISSN: 1436-2813
    Keywords: sex hormones ; bile lithogenicity ; dogs cholesterol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Effect of female sex hormones on lithogenicity of bile was investigated in an attempt to explain the female preponderance of cholesterol gallstones in man. Estrogen in a form of Estradiol valerate or progesterone in a form of 17α-Hydroxy-progesterone caproate was administered to female dogs oophorectomized to negate influence of endogenous sex hormones from the gonads. Gallbladder bile was puncture aspirated at intervals before, during and after the administration. Lithogenicity of the bile increased markedly during the administration of estrogen. The increase was not so pronounced during the progesterone administration. The increase of lithogenicity is apparently mainly due to increase in the absolute concentration of cholesterol. Differences in the effect of estrogen and progesterone suggest the presence of fluctuation of lithogenicity of bile during the menstrual cycle and pregnancy.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Surgery today 2 (1972), S. 92-105 
    ISSN: 1436-2813
    Keywords: diagnostic procedures ; biliary tract ; pancreas ; jaundice ; cholangiography ; scintigraphy ; pancreaticography ; echotomography ; angiography ; biliary endoscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Newer diagnostic procedures useful in establishing accurate indication for surgical intervention in pancreatobiliary system have been reviewed during a five year period from 1968 to 1972.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Surgery today 9 (1979), S. 251-252 
    ISSN: 1436-2813
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    World journal of surgery 8 (1984), S. 9-14 
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Par contraste à la lithiase biliaire cholestérolique classique, la lithiase hépatique caractérisée par la présence de calculs au sein des canaux biliaires intra-hépatiques pose de sérieux problèmes en raison de son évolution incontrôlable. Cela est vrai au Japon mais aussi dans toute l'Asie de l'Est: Chine, TaÏwan, Corée, Philippines, Malaisie, Singapour. Des calculs mous de couleur marron, constitués de bilirubinate de calcium siègent au niveau de dilatations canalaires intra-hépatiques en amont de rétrécissements. Les lobes du foie intéressés deviennent fibreux et contiennent d'importantes cavités pleines de calculs. Une classification de la lithiase hépatique fondée sur les caractères pathologiques est proposée de faÇon à bien comprendre ce problème. Deux facteurs principaux sont vraisemblablement responsables de la formation des calculs (le plus souvent constitues de bilirubinate de calcium): la stase biliaire d'une part, l'infection d'autre part. La béta-glucuronidase provenant des bactéries contenues dans les canaux biliaires intra-hépatiques, qu'il s'agisse deE. coli ou d'autres bactéries, hydrolyse la diglucuronide-bilirubine en bilirubine qui se combine avec le calcium de la bile pour former du bilirubinate de calcium qui aboutit à la formation des calculs intra-hépatiques. La stase biliaire due aux rétrécissements des canaux biliaires favorise le développement des calculs et aggrave l'infection bactérienne. Les traits cliniques, le diagnostic et le traitement de la lithiase intra-hépatique sont étudiés en insistant sur les nouveaux moyens d'investigation hépato-biliaire qui permettent de porter le diagnostic de cette affection, ainsi que sur les principes et les détails des opérations qui ont été employées pour la traiter.
    Abstract: Resumen En contraste con la colelitiasis de colesterol ordinaria, la hepatolitiasis, o sea la presencia de litiasis intrahepática, en virtud de su intratabilidad, plantea serios problemas de salud no sólo en Japón, sino también en el Asia Oriental, en regiones tales como China, Taiwan, Korea, las Filipinas, Malasia, Singapur e Indonesia. Por definición, los cálculos biliares ubicados en los canales hepáticos derecho o izquierdo antes de su confluencia, o en sus ramas, se denominan cálculos intrahepáticos. Fundamentalmente son cálculos blandos de bilirrubinato de calcio, presentes en un canal biliar intrahepático dilatado, proximal a una estrechez. El lóbulo hepático afectado se hace fibroso y exhibe grandes quistes repletos de cálculos y barro biliar. Se presenta la clasificación de la hepatolitiasis basada en la patología predominante, de acuerdo a códigos que indican el 1ugar y grado de los cambios patológicos, tales como estrechez y dilatación, así como el lugar y clase de los cálculos biliares presentes (7). Se piensa que hay dos factores principales responsables de la formación de los cálculos intrahepáticos, que son fundamentalmente cálculos de bilirrubinato de calcio: la estasis biliar y la infección bacteriana. La Β-glucoronidasa de las bacterias presentes en los canales intrahepáticos, tales como laE. coli y otras especies, hidroliza la diglucuronido-bilirrubina a bilirrubina, la cual se combina con el calcio de la bilis para formar bilirrubinato de calcio que lleva a la formación de los cálculos intrahepáticos. La presencia de estasis biliar debida a estrecheces de los canales biliares ayuda al desarrollo de los cálculos intrahepáticos y agrava la infección bacteriana in situ. Se discuten los cuadros clínicos, el diagnóstico y el tratamiento de la hepatolitiasis, con énfasis en las recientes técnicas de imagenología del sistema hepatobiliar que son de utilidad en el diagnóstico de la hepatolitiasis, y se presentan los principios y los aspectos prácticos de los procedimientos operatorios que están siendo empleados en la hepatolitiasis.
    Notes: Abstract In contrast to ordinary cholesterol cholelithiasis, hepatolithiasis or intrahepatic calculi pose serious health problems not only in Japan but also in China, Taiwan, Korea, the Philippines, Malaya, Singapore, and Indonesia. Soft brown calcium bilirubinate stones are present in the grossly dilated intrahepatic bile duct distal to a stricture. Liver lobes involved become fibrous and contain large cysts filled with stones. The classification of hepatolithiasis based on prevailing pathological findings is presented. Two main factors, bile stasis and bacterial infection, are thought to be responsible for the formation of intrahepatic calculi (calcium bilirubinate stones). Β-glucuronidase from bacteria such as Escherichia coli present in intrahepatic ducts hydrolyzes bilirubin diglucuronide to bilirubin. The bilirubin combines with the calcium in bile to form calcium bilirubinate which leads to the formation of intrahepatic calculi. The presence of bile stasis, due to bile stricture, aids growth of intrahepatic calculi and aggravates bacterial infection in situ. The clinical picture and the diagnosis and treatment of hepatolithiasis are discussed with emphasis on the recently introduced diagnostic imaging techniques of the hepatobiliary system. Also the principle and practice of operative procedures employed by hepatolithiasis are presented.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    World journal of surgery 8 (1984), S. 36-40 
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les résultats du traitement chirurgical de 56 malades atteints de lithiase biliaire intra-hépatique sont rapportés ainsi que l'étude des suites évolutives de 53 d'entre eux qui ont survécu plus d'un an après l'intervention (médiane 5 ans et 8 mois). Ces malades furent traités de quatre faÇons différentes: 32 par exploration biliaire, 13 par résection hépatique, 6 par cholangio-jéjunostomie intra-hépatique, 5 par extraction endoscopique des calculs. Dans certains cas il fut pratiqué à titre complémentaire et par nécessité soit une sphinctéroplastie soit une anastomose bilio-digestive. Il n'y eut pas de décès post-opératoire. Dans 51.8% des cas l'ablation des calculs fut complète. L'étude des suites pendant une période s'étendant de 1 à 10 ans a permis de dénombrer 70.8% de bons résultats. Les mauvais résultats furent observés quand existait un rétrécissement des canaux biliaires au niveau du hile du foie à l'origine d'une lithiase résiduelle. Les résultats des différentes interventions ont été étudiés en fonction des lésions, en particulier rétrécissements des canaux biliaires intra-hépatiques et du siège des calculs.
    Abstract: Resumen La hepatolitiasis, o sea la presencia de cálculos intrahepáticos, es infrecuentemente informada en la literatura médica occidental; sin embargo, es una entidad frecuente en el oriente de Asia, incluyendo al Japón. La incidencia ha sido informada en 4.1 por ciento de todos 1os pacientes operados por colelitiasis en el Japón, pero en otros lugares de Asia oriental ha sido informada entre el 10 y el 30 por ciento. Se piensa que la estenosis de los canales biliares está relacionada con la estasis biliar y la formación de cálculos. Se presentan los resultados en 56 pacientes con hepatolitiasis, incluyendo el seguimiento en 53 pacientes que sobrevivieron más de un año (promedio 5 años y 8 meses); hubo 31 hombres y 28 mujeres, con edades entre 25 y 70 años (promedio 50). Se confirmó la presencia de estrechez de los canales biliares en 37 de 59 pacientes. Los pacientes fueron tratados mediante cuatro procedimientos diferentes: exploración del canal colédoco en 32 casos, resección hepática en 13, resección hepática con colangioyeyunostomía intrahepática en 6 y remoción endoscópica en 5. Estos procedimientos fueron combinados con otros adicionales, tales como esfinteroplastia y anastomosis bilioentérico, cuando se consideró necesario. No se presentaron muertes operatorias. Los cálculos fueron removidos en su totalidad en el 51.8 por ciento de los pacientes. El seguimiento de uno a diez años demostró buen resultado en el 70.8 por ciento. Cálculos residuales fueron frecuentemente observados en los casos que presentaban estrechez a nivel del hilio hepático, y esto dió lugar a resultados pobres en el seguimiento. Los resultados de los diferentes procedimientos se encuentran relacionados con la patología predominante, tal como la presencia de estrecheces en los canales biliares y la ubicación de los cálculos.
    Notes: Abstract The results of surgical treatment in 56 patients with hepatolithiasis are reported including a follow-up study on 53 patients who survived more than 1 year (median, 5 years and 8 months). Patients were treated by 4 different procedures, i.e., common duct exploration in 32 patients, hepatic resection in 13 patients, hepatic resection with intrahepatic cholangiojejunostomy in 6 patients, and endoscopic stone removal in 5 patients. These procedures were combined with additional procedures, i.e., sphincteroplasty and bilioenteric anastomosis when necessary. There were no operative deaths. The stones were completely removed in 51.8% of the patients. Follow-up study for 1 to 10 years showed good results in 70.8% of the patients. Residual stones were often observed in the cases with stricture at the liver hilum and this led to poor results at follow-up. The results of various procedures were evaluated in relation to the prevailing pathology such as bile duct stricture and the location of stones.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    World journal of surgery 8 (1984), S. 88-89 
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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