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Biological Characterization of Bone Tumors (Paperback, Softcover reprint of the original 1st ed. 1989): J Althoff Biological Characterization of Bone Tumors (Paperback, Softcover reprint of the original 1st ed. 1989)
J Althoff; Edited by Albert Roessner; Contributions by D. B. V. Bassewitz, A. Bosse, V. Bouropoulou, …
R2,285 Discovery Miles 22 850 Out of stock

During the past few years, a considerable number of monographs on bone tumors have been published. They are mainly restricted to bone tumors as clinical-pathological entities, since their diagnosis, more than that of other tumors, requires the interdisciplinary cooperation between orthopedic specialist, radiologist, and pathologist. However, investiga tions concerning the histogenesis of bone tumors are rather limited, although they might be helpful in explaining the unique morphological heterogeneity of tumors of the skeletal system. Furthermore, the histo genetic approach in the study of bone tumors may facilitate the inter pretation of the advanced cytobiological methods available for improv ing classification and diagnosis. Therefore, this volume presents recent pathological advances in the biological characterization of bone tumors. A major chapter deals with the differential diagnosis of Ewing's sarcoma as regards its demarcation from the so-called neuroectodermal tumor of bone. The analysis of the ground substances in bone-forming tumors may be helpful for their classification. Therefore the volume includes a chapter on the biochemical and histochemical analysis of different osteosarcoma types. Recently it has become clear that in addition to different collagen types which are not specific for bone tissue, several bone-specific proteins occur, one of which is osteonectin. Its distribu tion is obviously important for the classification and diagnosis of osteo blastic tumors. Proliferative behavior is of major importance for the diagnosis of malignant tumors.

Feinstrukturell-morphometrische Untersuchungen mit dem manuell-optischen Bildanalysensystem M. O. P. KM II der Firma Kontron... Feinstrukturell-morphometrische Untersuchungen mit dem manuell-optischen Bildanalysensystem M. O. P. KM II der Firma Kontron (German, Paperback, 1976 ed.)
Albert Roessner
R1,546 Discovery Miles 15 460 Out of stock

1. 2 1. 1. Quantitative Bildanalyse in der Elektronenmikro- skopie Morphometrische Methoden 3 1. 2. Aufbau des Auswertungssystems 6 1. 3. 2. Methoden 7 Anwendungsbeispiele 10 3. 3. 1. Tierexperimentelles Material 10 3. 1. 1. Vergleichende feinstrukturell-morphometrische und 10 biochemische Befunde an der Rattenleber nach Gallengangsligatur 3. 1. 2. Ein EinfluB von Praseodymnitrat auf die quantita- 12 tive Cytoarchitektur der Rattenleberzelle 3. 1. 3. Der Effekt von Clofibrat auf die Rattenleber. Ver- 13 gleichende feinstrukturell-morphometrische und bio- chemische Befunde 3. 1. 4. Der Effekt von N-methyl-N'-nitro-N-nitrosoguanidin 17 auf die Rattenleber 3. 1. 5. Die quantitative Cytoarchitektur der Rattenleber 20 nach Bleiintoxikation Menschliches Biopsiematerial 3. 2. 22 3. 2. 1. Morphometrische Basiswerte der normalen mensch- 22 lichen Leber 3. 2. 2. Die quantitative Cytoarchitektur der menschlichen 26 Leberzelle bei chronisch aggressiver Hepatitis 3. 2. 3. Morphometrische Befunde am normalen menschlichen 29 Herzmuskel 3. 3. Quantitativ-feinstrukturelle Befunde an experimen- 32 tell erzeugten Tumoren im Drusenmagen der Ratte 4. SchluBbetrachtung 35 5. Literatur 37 43 6. Abbildungen - 1 - 1. Ein lei tung Seit Einfuhrung manueller quantitativer Bildanalysev- fahren in der elektronenmikroskopischen Auswertung von biologischem Material durch Loud (1962) und Weibel (1963, 1966, 1969) sind mit dieser Methode zunehmend gute Unter- suchungsergebnisse erzielt worden. Die Quantifizierung von elektronenmikroskopischen Befunden scheint besonders sinn- voll, weil pathologische Veranderungen von biologischem Material insbesondere im feinstrukturellen Bereich haufig mehr quantitiver als qualitativer Natur sind. Als besonders geeignete Untersuchungsobjekte kommen Gewebesysteme in Frage, die nicht isotrop aufgebaut sind.

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