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The classic text on the Mayo Clinic's experience with bone tumors, Dahlin's Bone Tumors presents a succinct, profusely illustrated summary of the largest single collection of well-diagnosed bone tumors anywhere in the world. This updated Sixth Edition contains a strong blend of archival material and new cases, and incorporates the latest knowledge about the grading and staging of these tumors. In the Sixth Edition, all gross anatomy photographs and photomicrographs are in full color—approximately 400 new full-color illustrations throughout the book. More attention is given to computed tomographic and magnetic resonance images. The book includes new information from recent clinicopathologic studies about radiographic and histologic variations in different tumor types, including chondroblastoma, osteoblastoma, and parosteal osteosarcoma. The section on neoplasm simulators has been expanded to include conditions, such as neuropathic joint, that may present as a neoplasm.
The essays in the book analyze cases of cooperation in a wide range of ethnographic, archaeological and evolutionary settings. Cooperation is examined in situations of market exchange, local and long-distance reciprocity, hierarchical relations, common property and commons access, and cooperatives. Not all of these analyses show stable and long-term results of successful cooperation. The increasing cooperation that is so highly characteristic of our species over the long term obviously has replaced neither competition in the short term nor hierarchical structures that reduce competition in the mid term. Interactions based on strategies of cooperation, competition, and hierarchy are all found, simultaneously, in human social relations.
Medical imaging progressed to a standard undreamt of not very many years ago. The advances are due to continuous development of radiological techniques and the introduction of magnetic resonance imaging. With the improved and new methods three-dimensional target volumes for radiation therapy can be defined with hitherto unknown precision. This leads to an improvement in irradiation techniques and, as a consequence, to a higher likelihood of tumor control and a lower risk of normal tissue complications. Besides the improvement in irradiation techniques the new imaging methods may enable great strides in tumor response monitoring, not only in the detection of morphological alterations but also by showing physiological changes in the tumor during and after treatment by means of MRI and PET. This not only leads to better prognostic information but may also allow early evaluation of the response to treatment. It may then be possible to individualize the radiation dose but also the alternative-treatment for non-responders. This is certainly a future direction for radiation oncology.
"This book critically re-examines Mesoamerican archaeological approaches to estimating populations associated with ancient cities, settlement systems, and regions. Archaeological data and lidar are both employed to demonstrate how complex ancient Mesoamerican societies were and how they changed over time"--
Ancient Maya Political Economies examines variation in systems of economic production and exchange and how these systems supported the power networks that integrated Maya society. Using models originally developed by William L. Rathje, the authors explore core-periphery relations, the use of household analysis to reconstruct political economy, and evidence for market development. In doing so, they challenge the conventional wisdom of decentralized Maya political authority and replace it with a more complex view of the political economic foundations of Maya civilization.
Embracing a wide range of research, this book offers various views on the intellectual history of Maya archaeology and ethnohistory and the processes operating in the rise and fall of Maya civilization. The fourteen studies were selected from those presented at the Second Cambridge Symposium on Recent Research in Mesoamerican Archaeology and are presented in three major sections. The first of these deals with the application of theory, both anthropological and historical, to the great civilization of the Classic Maya, which flourished in the Yucatan, Guatemala, and Belize during the first millennium A.D. The structural remains of the Classic Period have impressed travelers and archaeologists...
The proceedings of the joint BMB 15 and ECSA 27 Symposium provides the reader with some of the advances in the study of biology, ecology, and physical and biochemical modelling of enclosed or semi-enclosed marine, brackish and estuarine systems (the Baltic Sea, the North Sea, the White Sea, the Black Sea, and the Ionian Sea). The book covers a wide range of topics in this field, including hydrography and modelling, eutrophication, environmental gradients, pelagic and benthic communities, introduced species and case studies of environmental impact. This volume of 28 papers summarizes current knowledge on the broad-scale topics of enclosed and semi-enclosed marine systems, and should be of interest to scientists, students and administrators within the field of marine ecology, environmental impact control and conservation.
This three-volume set represents the first comprehensive coverage of the rapidly expanding field of Lewis base catalysis that has attracted enormous attention in recent years. Lewis base catalysis is a conceptually novel paradigm that encompasses an extremely wide variety of preparatively useful transformations and is particularly effective for enantioselectively constructing new stereogenic centers. As electron-pair donors, Lewis bases can influence the rate and stereochemical course of myriad synthetic organic reactions. The book presents the conceptual/mechanistic principles that underlie Lewis base catalysis, and then builds upon that foundation with a thorough presentation of many different reaction types. And last but not least, the editors, Prof. Edwin Vedejs and Prof. Scott E. Denmark, are without doubt the leaders in this emerging field and have compiled high quality contributions from an impressive collection of international experts.
Investigates how the structure and use of space developed and changed in cities, and examines the role of different societal groups in shaping urbanism.