Breast imaging

Xem 1-20 trên 36 kết quả Breast imaging
  • Rapid technical advances in medical imaging, including its growing application to drug/gene therapy and invasive/interventional procedures, have attracted significant interest in close integration of research in life sciences, medicine, physical sciences and engineering. This is motivated by the clinical and basic science research requirement of obtaining more detailed physiological and pathological information about the body for establishing localized genesis and progression of diseases.

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  • The last three decades have witnessed tremendous advances in the understanding and treatment of breast cancer. As a result, starting shortly before the 1990s, a persistent decrease in breast cancer mortality has been documented, primarily in the United States and in several European countries. Breast cancer, however, remains an important health problem. In this book, which is mainly dedicated to nuclear medicine, experts have thoroughly reviewed the achievements made in the diagnosis, monitoring and treatment of this disease.

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  • Medical imaging has been transformed over the past 30 years by the advent of computerized tomography (CT), magnetic resonance imaging (MRI), and various advances in x-ray and ultrasonic techniques. An enabling force behind this progress has been the (so far) exponentially increasing power of computers, which has made it practical to explore fundamentally new approaches.

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  • This second edition of Breast Cancer continues the tradition of the M. D.Anderson Cancer Care Series. The book is oriented towards the needs of clinicians who manage breast cancer at every stage of the disease. Chapters are written by experts with a strong knowledge of research findings who also are active in the clinic and understand the practical needs of the patient and her physician.

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  • Magnetic resonance (MR) imaging has become the leading cross-sectional imaging method in clinical practice. Since the 1980s, continuous improvements in hardware and software have significantly broadened the scope of applications. At present, MR imaging is not only the most important technique in neuroradiology and musculoskeletal radiology, but has also become an invaluable diagnostic tool for abdominal, pelvic, cardiac, breast and vascular imaging.

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  • Breast cancer remains a leading cause of cancer death among women in the United States. More than 180,000 new cases of invasive breast cancer are diagnosed each year, and more than 40,000 women die of the disease. Recent years, however, have seen improvements in survival attributed to better treatment and earlier diagnosis. Research efforts have been directed toward better treatment, preventive strategies, and early detection.

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  • The quality assurance teams and managers supported the evolution of the breast screening programme locally, and professional quality assurance groups were developed with the relevant associations and royal colleges at a national level. In 1990, a new post of national coordinator of the NHSBSP was established, based at one of the regional heath authori- ties. Mrs Julietta Patnick at the Trent Region in Sheffield was appointed, and she is now the Director of the NHS Cancer Screening Programmes, which includes the NHSBSP.

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  • The urgent need for computer-assisted detection of tumors and lesions in medical images becomes clear when one considers the state of affairs in X-ray film mammography for breast cancer screening. In the United States it is estimated that there are currently more than 50 million women over the age of 40 at risk of contracting breast cancer.

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  • Tham khảo sách 'imaging of the breast – technical aspects and clinical implication edited by laszlo tabar', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Follow-Up of Breast Cancer Patients Despite the availability of sophisticated and expensive imaging techniques and a wide range of serum tumor marker tests, survival is not influenced by early diagnosis of relapse. Surveillance guidelines are given in Table 86-5.

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  • Arterial CO2 tension is a powerful modulator of cerebral vascular calibre, CBF and ICP (12-15.) While the mechanisms are incompletely understood, CO2 relaxes pial arterioles by interactions between the endothelium, vascular smooth muscle, pericytes, adjacent neurons and glial cells. Studies supported that cerebral vessels are sensitive to changes in extracellular pH, rather than a direct response to CO2 or bicarbonate. In the limits of physiological PaCO2, 20-60 mmHg, the relationship between PaCO2 and CBF is linear.

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  • In spite of the massive efforts being made worldwide to understand molecular genetics and epigenetic factors responsible for the initiation and progression of cancer, the statistics on this malignancy have remained enormously negative; the following data testify to this unfortunate human condition. There are more than 100 types of cancers that can inflict any part of the body. In 2005, 7.6 million people died of cancer, which makes up 13% of the 58 million deaths worldwide. Approximately 1.

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  • After researching literature on addiction and film, I chose the films for the study and viewed each one many times, specifically looking for socioeconomic representations of characters, treatment of different races, sexes, and sexual preferences, methods of production as they relate to addicted characters and drug usage, and the depiction of treatment/ self-help groups. I then outlined the narrative of each film and compared the uses and meanings brought to addicts, addiction, and substances. I found that these movies construct a fairly unified image of treatment.

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  • There have been a significant number of advances in the field of cancer research since the first edition of Cancer Biology, which was published in 1981. These include advances in defining the genetic and phenotypic changes in cancer cells, the genetic susceptibility to cancer, molecular imaging to detect smaller and smaller tumors, the regulation of gene expression, and the ‘‘-omics’’ techniquesofgenomics, proteomics,and metabolomics, among others.

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  • The real MR images were used for performance evaluation. They were acquired from ten patients with normal physiology. One example is shown in Fig. 2(a)-(e) with the same parameter values in Table 1. Band 1 is the PD-weighted spectral image acquired by the pulse sequence TR/TE = 2500ms/25ms. Bands 2, 3 and 4 are T2-weighted spectral images were acquired by the pulse sequences TR/TE = 2500ms/50ms, TR/TE = 2500ms/75ms and TR/TE =2500ms/100ms respectively. Band 5 is the T1-weighted spectral image acquired by the pulse sequence TR/TE = 500ms/11.9ms.

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  • PET-CT: A Case-Based Approach provides practical clinical examples of studies performed with FDG on a state-of-the-art dedicated PET-CT device. Detailed histories and correlative imaging findings are given in each case to demonstrate the level of detail required for image interpretation and the capabilities of this instrumentation.

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  • The structure of photosystem II (PSII) complex isolated from thylakoid membranes of the red alga Porphyridium cruentum was investigated using electron microscopy fol-lowed by single particle image analysis. The dimeric com-plexes observed contain all major PSII subunits (CP47, CP43, D1 and D2 proteins) as well as the extrinsic proteins (33 kDa, 12 kDa and the cytochromec550 ) of the oxygen-evolvingcomplex (OEC) of PSII, encodedby thepsbO,psbU andpsbVgenes, respectively.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài:Magnetic resonance imaging and mammographic appearance of dermatofibrosarcoma protuberans in a male breast: a case report and literature review

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  • Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học quốc tế đề tài : Optical imaging of the peri-tumoral inflammatory response in breast cancer

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  • The way in which a registry operates depends, inevitably, on local condi- tions and on the material resources available.

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