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  • 1
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Immunology 6 (1988), S. 465-483 
    ISSN: 0732-0582
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 373 (1988), S. 182-188 
    ISSN: 1435-2451
    Keywords: Mesoduodenum ; Retroduodenal space ; Mobilisation of duodenum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die vorliegende Untersuchung gilt der Aufklärung der Befestigung von Duodenum und Pankreas an der lateralen und dorsalen Bauchwand. Das Mesoduodenum anterior et posterior ist an der Pars I duodeni gestielt. Durch sekundär retroperitoneale Verlötungen zwischen Duodenum und Pankreas bleibt dorsal eine gefäßhaltige, breitbasige Grenzlamelle im Bereich der Partes Il und III duodeni erhalten. Diese Grenzlamelle entspricht der Tela subserosa peritonei und verstärkt die Treitzsche Fascie und prärenal die Gerota-Fascie im anterioren Teil. Die Fascia renalis mit der Lamina prärenalis bedeckt die V. cava inferior und ist am Tuber omentale mit der Aorta abdominalis über ihre Adventitia fest verlötet. Das retroduodenopankreatische Gewebe bildet eine duodenopankreatische Platte, die eigene Gefäße und dorsale Vagusäste enthält. Die chirurgische Bedeutung bei der Mobilisation von Duodenum und Pankreas ist offenkundig.
    Notes: Summary In the present study an anatomical examination of ten bodies was made to describe the fixation of duodenum and pancreas to the posterior abdominal wall (Fig. 3). It has become apparent that the shape of the posterior mesoduodenum of the first part of duodenum is rodlike (Fig. 2). Due to the secondary retroperitoneal fixation between duodenum and pancreas a vascularized, wide-based borderline lamella remains in the area of second and third parts of the duodenum. The borderline lamella corresponds to the tela subserosa and strengthens Treitz fascia and Gerota fascia in the prerenal area. It covers the inferior vena cava, and is fixed to the adventitia of the abdominal aorta (Fig. 5). The retroduodenopancreatical tissue forms a duodenopancreatical layer which contains its own vessels (Fig. 4). Now it is possible to understand better the surgical importance of pancreatitis, retroduodenal haematoma and mobilization of duodenum (Fig. 1 a-c) and pancreas.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 373 (1988), S. 173-181 
    ISSN: 1435-2451
    Keywords: Merkel cell tumor ; Trabecular carcinoma ; Neuroendocrine tumor ; Neuron-specific enolase ; Cytokeratins ; Clinical findings in 339 cases ; Surgery ; Radiotherapy ; Chemotherapy ; Local recurrence ; Lymphatic metastasis ; Hematogenous metastasis ; Prognosis ; Follow-up
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über vier Fälle eines Merkelzelltumors mit unterschiedlichem klinischen Verlauf und Lokalisation im Gesicht und am Stamm berichtet. Bezüglich der Klinik wurden 339 Fälle eines Merkelzelltumors aus der Literatur ausgewertet. Beim Merkelzelltumor handelt es sich um einen von den Merkelschen Zellen ausgehenden neuroendokrinen Hauttumor. Er findet sich zu 47% im Kopf-Halsbereich, hat eine durchschnittliche Größe von 25 mm, liegt typischerweise über dem Hautniveau und zeichnet sich klinisch durch seine rötlich-livide Farbe aus. Aufgrund der Metastasierung und des infiltrativen Wachstums ist er als maligne einzuordnen. In 27% bestehen Lymphknotenmetastasen, in 51 % kommt es zu Lokalrezidiven und in 32% treten Fernmetastasen auf. Die Therapie der Wahl besteht in einer frühzeitigen Excision mit einem Sicherheitsabstand, wie er bei malignen Hauttumoren üblich ist. Eine Strahlensensibilität liegt vor; ob auch eine chemotherapeutische Beeinflußbarkeit besteht, ist jedoch nicht sicher.
    Notes: Summary Four cases of Merkel cell tumor located in the face or on the trunk are presented. In a literature review 339 cases were found and analysed. The Merkel cell tumor is a neuroendocrine tumor of the skin derived from the Merkel cells. It is located most often in the face and neck area. Typically, it is an exophytic node, has a red-blue color and measures 25 mm in diameter on the average. Since it is metastasizing it is a malignant tumor. Regional node metastases were found in 27%, local recurrences occur in 51%, and distant metastases were seen in 32% of the cases. The best therapy is excision with wide margins as is the rule for a malignant skin tumor. While the tumor reacts to radiotherapy, chemotherapy seems to be of no help.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 373 (1988), S. 256-262 
    ISSN: 1435-2451
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Measurements ofK s 0 , Λ and $$\bar \Lambda $$ production in π− nucleus (C, Cu, Pb) interactions are presented. The experiment was carried out with the streamer chamber spectrometer RISK using a π− beam of ∼40 GeV/c and a trigger requiring a secondary charged particle with transverse momentum above 1.1 GeV/c. Production cross sections, relative production rates and distributions of Feynmanx and transverse momentum squared as well as correlations between theV 0 and the trigger particle are presented. The results are compared and found to be in agreement withK s 0 , Λ and $$\bar \Lambda $$ data from untriggered π− p and π− C interactions, except for the relative production rate of antilambdas which is about to times larger in high-p t collisions. Our results can be well interpreted within the dual topological unitarization model.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 330 (1988), S. 640-641 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Brookfield, Conn. : Wiley-Blackwell
    Polymer Composites 9 (1988), S. 426-433 
    ISSN: 0272-8397
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Acid-base interaction parameters were measured by inverse gas chromatography over broad temperature ranges for Poly(vinyl chloride), plasticizer, and CaCO3 fillers. Mixing was performed by three routes. In one, all components were added simultaneously, while in others two of the components were premixed, the third ingredient being added subsequently. Mixing was carried on to equilibrium torque readings. The energy requirement for mixing was found to depend on the interaction balance among the components, and to vary with the procedure selected. Minimum requirement was associated with the simultaneous introduction of all ingredients. Higher energies were needed in sequential mixing schemes, presumably because equilibrium partitioning of components was hindered in these instances. Initial mechanical properties of the compounds did not vary greatly with preparation procedure, but upon aging, mechanical property variations became quite evident. Component repartitioning, driven by shifting interaction balances at aging and at test (room) temperatures are cited as responsible. The kinetics of attaining equilibrium mechanical properties also were found to vary with mixing procedure and to respond to the interaction balance concept.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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