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Human Eye Inspires Advance In Computer Vision From Boston College Researchers
Inspired by the behavior of the human eye, Boston College computer scientists have developed a technique that lets computers see objects as fleeting as a butterfly or tropical fish with nearly double the accuracy and 10 times the speed of earlier methods.
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Denosumab Demonstrates Superiority Over Zometa(R) In Pivotal Phase 3 Head-to-Head Trial In Breast Cancer Patients With Bone Metastases
Amgen (Nasdaq: AMGN) announced that a pivotal, Phase 3, head-to-head trial evaluating denosumab versus Zometa(R) (zoledronic acid) in the treatment of bone metastases in 2,049 patients with advanced breast cancer met its primary and secondary endpoints and demonstrated superior efficacy compared to Zometa. Superiority was demonstrated for both delaying the time to the first on-study Skeletal Related Events (SREs)(fracture, radiation to bone, surgery to bone, or spinal cord compression) (hazard ratio 0.82, 95 percent CI: 0.71, 0.95), and delaying the time to the first-and-subsequent SREs (hazard ratio 0.77, 95 percent CI: 0.66, 0.89). Both results were statistically significant.
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Is There Any Association Between COX2 And Colon Cancer?
Non-steroidal anti-inflammatory drugs (NSAIDs), which are known to reduce the risk of colon cancer, act directly on cyclooxygenase-2 (COX2) and reduce its activity. Population studies have found an association of inherited variations in the COX2 gene with colon cancer risk, but others were unable to replicate this finding. Similarly, variations in the uridine diphosphate glucuronosyltransferase 1A6 (UGT1A6) gene, which is also known to be key in the metabolism of NSAIDs, have been shown to modify the effect of NSAIDs on developing colon polyps, a precursor of colon cancer, but these modifications of NSAID effects have not been observed in risk of colon cancer.
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Comparison Of Medical Imaging Choices Finds Ultrasound To Be The Most Cost Efficient

In comparing ultrasound with other medical imaging methods such as MRI and CT scans, a literature review of published studies in the May/June issue of Journal of Diagnostic Medical Sonography (JDMS) describes the use of ultrasound to provide an accurate diagnosis more cost effectively than the alternatives. Since its first uses in the 1950s, ultrasound has been utilized mostly in hospital settings. But with the development of less costly, portable equipment, its use has expanded to doctor"s offices, trauma settings, and even to outer space. The article compares the use of ultrasound to magnetic resonance (MR) imaging, computed tomography (CT), contrast angiography (CA), and single-photon emission computed tomography (SPECT). In addition to evaluating the accuracy and cost effectiveness of ultrasound as compared to other medical imaging techniques, the study reviewed the use of ultrasound in the following applications: * Obstetric and Gynecological * Abdominal * Vascular * Cardiac * Emergency * Disease Diagnosis "Ultrasound provides the ability to rapidly evaluate and diagnose abnormalities throughout the spectrum of clinical medicine," write the authors S. Michelle Bierig, MPH, RDCS, RDMS, FASE, FSDMS and Anne Jones, RN, BSN, RVT, RDMS, FSVU. "Its accuracy and cost-effectiveness in a variety of applications has led to its widespread adoption and use. The utilization of ultrasound compared to the use of alternative imaging methods leads to increased cost efficiency in the diagnosis and management of patients." "Accuracy and cost comparison of ultrasound versus alternative imaging modalities including CT, MR, PET and Angiography" in the May/June issue of Journal of Diagnostic Medical Sonography is available free for a limited time at: http://jdm.sagepub.com/cgi/rapidpdf/8756479309336240v1. Jim Gilden SAGE Publications


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