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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 32 (1967), S. 440-443 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 38 (1973), S. 598-607 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 38 (1973), S. 3031-3034 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 60 (1995), S. 6114-6122 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1435-5922
    Keywords: Key words: systemic amyloidosis ; AL-amyloidosis ; acute gastric hemorrhage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract: We report a 66-year-old woman who had massive bleeding from a gastric ulcer complicating primary systemic amyloidosis, in whom emergency surgery proved lifesaving. Physical examination revealed anemia and macroglossia. Gastroscopy was performed, and an extensive, irregular, hemorrhagic ulcer was found in the gastric body. Biopsy resulted in a diagnosis of amyloidosis. On the 11th hospital day the patient went into shock as a result of a massive hemorrhage. Emergency surgery was performed, but the extent of the submucosal lesion in the stomach could not be identified, and total gastrectomy was unavoidable. Histological examination of the surgical specimen and biopsy tissue collected from other organs revealed amyloid deposition extending from the submucosa to the muscularis propria of the stomach. There was also deposition of large amounts of amyloid around the small blood vessels in the liver and under the mucosa of the small intestine. The amyloid was AA-antibody-negative and resistant to treatment with K2MO4, and a diagnosis of AL-type systemic amyloidosis was made. The patient's general condition recovered after the operation, but on the 103rd hospital day, she experienced sudden onset of arrhythmia and died. Patients with amyloidosis in whom gastrointestinal surgery is performed are rare; only 41 cases, including our own, have been reported in the Japanese literature since 1972.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    World journal of surgery 12 (1988), S. 2-10 
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'anatomie du hile du foie et du lobe caudé a été étudiée sur 106 cadavres. La division de la veine porte au niveau du hile est toujours régulière. Le ligament rond se rattache principalement à la pars umbilicalis de la branche gauche de la veine porte (81.3%) et plus particulièrement à sa partie inférieure (64.6%). La division extra-hépatique classique de l'artère hépatique a été observée dans 67% des cas. La division intra-hépatique des artères hépatiques moyenne et gauche a été constatée respectivement dans 9.4% et 12.5% des cas. L'artère cystique prend son origine dans 84.4% des cas au niveau de la branche droite de l'artère hépatique et dans 30.2% des cas l'artère cystique est double. Un canal bilaire aberrant, considéré auparavant comme un canal biliaire associé, a été observé dans 9% des cas, le canal aboutissant toujours au bord droit du canal hépatique. En ce qui concerne le trajet du canal biliaire et de l'artère hépatique, l'artère hépatique moyenne croise en avant le canal hépatique gauche dans 13.5% des cas, et court partiellement en avant de lui dans 52% des cas. L'artère hépatique droite ou ses branches croisent en avant le canal hépatique droit dans 9.4% des cas et courént partiellement en avant de lui dans 38.5% des cas. Le lobe caudé dépend à la fois des branches droites et des branches gauches de la triade portale mais principalement de ces dernières. Ce sont les branches postérieures de ces éléments qui le concernent ainsi que le segment postérieur du foie.
    Abstract: Resumen Se realizó una investigación de la triada portal alrededor del hilio hepático, incluyendo el lóbulo caudado, en 106 cadáveres adultos. La vena porta mostró ramificaciones regulares al nivel del hilio hepático. El ligamiento redondo apareció unido principalmente al pars umbilicalis de la rama izquierda de la vena porta (81.3%), especialmente sobre su portión inferior (64.6%). La ramificación extrahepática, típica de la arteria hepática, fué observada en el 67%. La ramificación intrahepática de las arterias hepáticas media e izquierda mostró algunas variaciones en 9.4% y 12.5% respectivamente. La arteria cistica se originó en la arteria hepática derecha en 84.4% de los casos y se observó una arteria cística doble en 30%. Un canal hepático aberrante, previamente reportado como un canal hepático accesorio, fué observado en 9.0%; cada cual entraba al canal hepático comÚn sobre el lado derecho. En cuanto al curso del conducto biliar y la arteria hepática, la arteria hepática media cruzaba el canal hepático izquierdo por su aspecto anterior en 13.5% y corría parcialmente enfrente del canal en 52%. La arteria hepática derecha o sus ramas cruzaban el canal hepático derecho por su aspecto anterior en 9.4% y corría parcialmente enfrente del canal en 38.5%. El lóbulo caudado es irrigado por las dos ramas, derecha e izquierda, de la triada portai, especialmente por la izquierda. El proceso caudado es irrigado principalmente por las ramas posteriores de la triada portai, siendo anatómicamente continuo con el segmento posterior del hígado.
    Notes: Abstract The portal triad around the hepatic hilum, including the caudate lobe, was investigated using 106 adult cadavers. The portal vein showed regular branching at the hepatic hilum. The round ligament was attached mainly to the pars umbilicalis of the left branch of the portal vein (81.3%), especially to its lower portion (64.6%). Typical extrahepatic branching of the hepatic artery was noted in 67% of the cadavers. Intrahepatic branching of the middle and left hepatic arteries showed some variations in 9.4% and 12.5% of the cadavers, respectively. The cystic artery originated from the right hepatic artery in 84.4% of the cadavers, and a dual cystic artery was observed in 30.2%. An aberrant hepatic duct, previously reported as an accessory hepatic duct, was observed in 9.0% of the cadavers; each entered the common hepatic duct on the right side. With reference to the course of bile duct and hepatic artery, the middle hepatic artery traversed the left main hepatic duct anteriorly in 13.5% of the cadavers, and ran partly in front of the duct in 52.0%. Furthermore, the right hepatic artery or its branches traversed the right main hepatic duct anteriorly in 9.4% of the cadavers and ran partly in front of the duct in 38.5%. The caudate lobe is supplied by both the right and left branches of the portal triad, mainly by the left. The caudate process is mainly supplied by the posterior branches of the portal triad, being continuous with the posterior segment of the liver.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1436-2813
    Keywords: dissecting aneurysm ; superior mesenteric artery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report herein the case of a 56-year-old man found to have an isolated dissecting aneurysm of the superior mesenteric artery (SMA) after he presented with a 3-day history of postprandial epigastralgia of sudden onset. An echogram showed marked dilatation of the SMA and a high level of peripheral echoes in a linear fashion within its lumen. A thin-section contrast enhanced computed tomography revealed a thin flap, separating two distinct well-enhanced lumina. Angiography confirmed the presence of a localized dissecting aneurysm of the SMA. The patient was treated conservatively and has since been followed up as an outpatient. Following the presentation of this case, the problems regarding the diagnosis and management of this rare disease are discussed based on a review of the literature.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-4846
    Keywords: oxycarbide glass ; fibers ; tri-ethoxysilane ; methyl-tri-ethoxysilane ; free carbon ; tensile strength
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Silicon oxycarbide (Si—O—C) glass fibers were prepared by heat-treating the gel fibers drawn from the solution containing tetra-ethyl-ortho-silicate (TEOS), tri-ethoxysilane (HTES) and methyl-tri-ethoxysilane (MTES) in the course of sol-gel reaction. The replacement of TEOS by HTES in the solution, with the molar ratio of MTES to total alkoxysilanes being kept constant at 1/3, resulted in remarkable improvement of tensile strength of the glass fibers prepared at 1300°C. The decrease in the content of free carbon was observed in such fibers, even by an amount as small as a few wt%, and was considered to be related to the suppression of devitrification of the fibers to form β-SiC and to the enhancement of mechanical strength.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of oceanography 34 (1978), S. 276-287 
    ISSN: 1573-868X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract A criterion for the stability of plankton patchiness is developed using a Liapunov function. Plankton growth, advection and diffusion in a closed area are considered. A critical length scale for the stability does not exist but a more common criterion which contains the growth rateα, diffusion coefficientA l and arbitrary function of growthf can be introduced in an integral form.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of hepato-biliary-pancreatic surgery 6 (1999), S. 414-417 
    ISSN: 1436-0691
    Keywords: Key words: pancreas-sparing duodenectomy, leiomyosarcoma, duodenum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract: A duodenal leiomyosarcoma which was resected by pancreas-sparing duodenectomy is reported. The tumor arose in the third portion of the duodenum and grew in an extraluminal direction. The tumor was huge (13 cm × 9 cm × 8 cm) but did not involve the pancreas, and there were no findings of periduodenal lymph node metastases. Because the possibility of metastasis to the lymph nodes around the root of the superior mesenteric artery (which are removed only in a pancreatoduodenectomy) was judged to be low, pancreas-sparing duodenectomy was performed, with dissection of the pancreaticoduodenal lymph nodes. The proximal duodenum was transected between the second and third portions of the duodenum, and the distal end was cut in the jejunum at the portion of the first jejunal artery. Reconstruction was performed by end-to-side anastomosis between the duodenum and jejunum, using an end-to-end anastomosis instrument. Since the incidence of lymph node metastasis of leiomyosarcoma is low, resection of the head of the pancreas for extensive lymph node dissection does not always seem necessary. Pancreas-sparing duodenectomy can be a good option for a leiomyosarcoma in the third and fourth portions of the duodenum which does not invade the pancreas and is not accompanied by any apparent periduodenal lymph node metastases.
    Type of Medium: Electronic Resource
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