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Although [18F]fluorodeoxyglucose (FDG) generally shows an excellent performance as a cancer-imaging agent when using PET-CT, there are some settings in which other radiopharmaceuticals offer advantages. Such non-FDG tracers are now gaining widespread acceptance not only in research but also in clinical practice. This atlas, including about 500 high-quality images, is a user-friendly guide to PET-CT imaging beyond FDG. A wide range of tracers is covered, such as 18F- and 11C-choline, 11C-methionine, 18F-ethyl-L-tyrosine, 68Ga-DOTA-NOC, 11C-acetate, 11C-thymidine, and 18F-DOPA. Throughout, the emphasis is on image interpretation, with guidance on the recognition of normal, benign, and malignant uptake and clear instruction on learning points and pitfalls. This atlas is designed to serve as a reference text for both nuclear physicians and radiologists, and will also be of great benefit to radiographers, technologists, and nuclear medicine and radiology residents.
Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries.
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The past few years have witnessed the emergence of steroid hormones as the wonder molecules which generate as much discussion in the scientific literature as they do in a typical living room. This transition has been a result of the tremendous public and scientific interest in the normal functioning of the hor mones as well their suggested involvement in several clinical conditions. In the recent past, notable scientific and technological advances have been made in the areas of contraception and regulation of fertility. Steroid receptors are the indis pensable mediators of hormonal responses and are complex protein molecules which appear to exist in association with other, yet undefined, pro...