Febuary 04 News Headlines

These are radiology news updates from other sites

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Date this page was last updated: 01/07/2007 03:02:51 PM

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February 27, 2004
  Quality control of a laser camera with the SMPTE test pattern: optical density variations with printing format and frame position - British Journal of Radiology
Save This Article To My Filing Cabinet Email This Article The purpose of this study was to investigate the use of the Society of Motion Picture and Television Engineers (SMPTE) test pattern in the quality control of a modern laser camera and the variations in the optical density (OD) of the film when different formats are used...
February 26, 2004
  Predicting Radiosensitivity Using DNA End-Binding Complex Analysis - Clinical Cancer Research
Save This Article To My Filing Cabinet Email This Article Previous reports have suggested that measuring radiosensitivity of normal and tumor cells would have significant clinical relevance for the practice of radiation oncology. We hypothesized that radiosensitivity might be predicted by analyzing DNA end-binding complexes (DNA-EBCs), which form at DNA double-strand breaks, the most important cytotoxic lesion caused by radiation...
  T2 and T1-rho MRI in articular cartilage systems - Magnetic Resonance in Medicine
Save This Article To My Filing Cabinet Email This Article T2 and T1-rho have potential to nondestructively detect cartilage degeneration. However, reports in the literature regarding their diagnostic interpretation are conflicting. In this study, T2 and T1-rho were measured at 8.5 T in several systems: 1) Molecular suspensions of collagen and GAG (pure concentration effects): T2 and T1-rho demonstrated an exponential decrease with increasing [collagen] and [GAG], with [collagen] dominating...
  Sonographic detection of an isolated cuboid bone fracture not visualized on plain radiographs - Journal of Clinical Ultrasound
Save This Article To My Filing Cabinet Email This Article We report the case of an isolated cuboid bone fracture in a child that was missed on radiography but was diagnosed on sonography. Plain radiographs of the patient's right foot showed no fracture, whereas sonograms demonstrated a fracture of the cuboid bone that appeared as a steplike discontinuity in the cortical bone. The diagnosis was confirmed on MRI...
February 24, 2004
  A questionnaire survey of stress and bullying in doctors undertaking research - Postgraduate Medical Journal
Save This Article To My Filing Cabinet Email This Article Conclusions: Stress and bullying are common in doctors undertaking research. These findings have important implications for medical training and for doctors choosing research projects. Setting up systems of support may have important benefits...
  What Really Happens During the Lachman Test? A Dynamic MRI Analysis of Tibiofemoral Motion - American Journal of Sports Medicine
Save This Article To My Filing Cabinet Email This Article Conclusion: Rupture of the ACL leads to increased anterior tibial translation coupled with tibial internal rotation...

 

 

February 23, 2004
  Single-Payer National Health Insurance - Archives of Internal Medicine
Save This Article To My Filing Cabinet Email This Article Conclusion: Most physicians in Massachusetts, a state with a high managed care penetration, believe that single-payer financing of health care with universal coverage would provide the best care for the most people, compared with a managed care or fee-for-service system. Physicians' advocacy of single-payer national health insurance could catalyze a renewed push for its adoption...
February 20, 2004
  Breaking the magnetic resonance imaging acquisition speed barrier: Clinical implications of parallel imaging - Applied Radiology
Save This Article To My Filing Cabinet Email This Article Parallel imaging is a relatively new class of techniques capable of significantly increasing the speed of magnetic resonance imaging acquisitions by taking advantage of the spatial information inherent in an array of radiofrequency coils... This Journal Requires Registration to Access Full TextThe Full Text of This Article Is Available
  Surgeons introduce computer assisted, minimally invasive surgery for hip replacement - British Medical Journal
Save This Article To My Filing Cabinet Email This Article A team of surgeons in Jerusalem have introduced the use of computer assisted, minimally invasive surgery for hip replacement—a technology that eliminates the need to cut muscles and tendons and results in optimally accurate preparation and insertion, less pain, quicker recovery, and shorter hospitalisation... The Full Text of This Article Is Available
February 19, 2004
  T1-rho weighted magnetic resonance imaging: Principles and diagnostic application - Applied Radiology
Save This Article To My Filing Cabinet Email This Article T1r is a magnetic relaxation time with the potential to provide important information about tissues that is not available from T1 and T2. This review deals with the recent developments and applications of T1-rho weighted imaging in the early detection of osteoarthritis, the characterization of tumors and monitoring of their response to therapy, the detection of cerebral ischemia, and the quantification of T1-rho contrast agents with unique capabilities for perfusion and metabolic imaging... This Journal Requires Registration to Access Full TextThe Full Text of This Article Is Available
  High-field, high-performance magnetic resonance: Technical challenges and clinical applications - Applied Radiology
Save This Article To My Filing Cabinet Email This Article The majority of existing clinical magnetic resonance (MR) systems operate in the range of 1.0T to 1.5T. The desire to perform human studies at higher field strengths is related to the higher signal-to-noise ratio, contrast-to-noise ratio, and spectral resolution. Challenges in operating at higher fields include increase in field inhomogeneity and radiofrequency energy deposition... This Journal Requires Registration to Access Full TextThe Full Text of This Article Is Available
February 18, 2004
  Evaluation of an accident and emergency teleconsultation service for north-east Scotland - Journal of Telemedicine and Telecare
Save This Article To My Filing Cabinet Email This Article We evaluated an accident and emergency teleconsultation service provided to 14 community hospitals in north-east Scotland. Each community hospital was equipped with a videoconferencing system and a document camera to allow transmission of radiographs...The majority (95%) of teleconsultations were conducted on weekdays, and 90% of these occurred between the hours of 09:00 and 16:00. The mean delay in contacting a doctor was 9 min and the mean consultation time was 10 min. The majority of patients were suffering from fractures or suspected fractures of the limbs...

 

 

February 17, 2004
  99mTc-Labeled UBI 29-41 Peptide for Monitoring the Efficacy of Antibacterial Agents in Mice Infected with Staphylococcus aureus - The Journal of Nuclear Medicine
Save This Article To My Filing Cabinet Email This Article Conclusion: 99mTc-UBI 29-41 allows the monitoring of the efficacy of antibacterial agents in mice and rats with S. aureus infections...
  The Not-So-Peripheral PACS Plug-ins - Decisions in Imaging Economics
Save This Article To My Filing Cabinet Email This Article Under the best of circumstances, a picture archiving and communications system (PACS) will not eliminate 100% of film. Film printers will still be needed to get hard-copy images to those physicians who demand them. Patients may need film too, although a much cheaper way to give patients images is on computer disks. CD burners thus become PACS attachments. Digitizers to convert images for PACS compatibility are another example of plug-in devices that must be accounted for when putting in place an imaging system. All these devices have to be planned for and their expense allocated...
  Driving Revenues, Lowering Costs Through Design - Decisions in Imaging Economics
Save This Article To My Filing Cabinet Email This Article The competitive health care market continually is challenging facility owners and managers to upgrade, expand, and renovate their facilities to provide state-of-the-art medicine. Imaging departments tend to experience change most frequently because of constantly changing technologies and the potential for increased revenues from increased capacity. Institutions cannot build new facilities each time they change out technology, so the obvious choice is to renovate and retool existing spaces as efficiently as possible. Interior hospital renovation projects, particularly for imaging departments, demand a knowledgeable and senior design team that knows how to approach the project to help the owner obtain multiple returns with the same investment. The design team can help the owner manage costs, time, and future flexibility...
  AMA Says Physician Shortage Increasing, Announces Initiatives - Decisions in Imaging Economics
Save This Article To My Filing Cabinet Email This Article Several prominent medical associations, including the American Medical Association (AMA), are officially acknowledging a likely shortage of physicians in some areas of the United States, with the expectation that the problem will continue to worsen...
  Nights No Longer - Decisions in Imaging Economics
Save This Article To My Filing Cabinet Email This Article International travel is one of life's exotic pleasures. Until 9/11, most radiologists hoping to combine career and travel signed work contracts in the Middle East. Now, thanks to information technology (IT) developments, a staggering new world of career travel opportunities exist...
February 13, 2004
  High-field MR bolsters musculoskeletal imaging - Diagnostic Imaging
Save This Article To My Filing Cabinet Email This Article Conclusion: Although the interactions between field strength, relaxation times, receiver bandwidth, artifacts, and power deposition should be considered for optimal clinical utilization, 3T MR showed it can improve both resolution and scanning speed...
February 10, 2004
  Magnetic resonance evaluation of the interrelationship between articular cartilage and trabecular bone of the osteoarthritic knee - Osteoarthritis and Cartilage
Save This Article To My Filing Cabinet Email This Article Conclusion: Degradation of articular cartilage within a compartment correlates with a loss of bone structure in the opposite compartment. The correlation between the (L-M) differences corroborates this relationship. Malalignment of the knee due to cartilage degeneration is associated with bone formation in the diseased condyle and bone resorption in the opposite compartment...
  X-ray detection of structural orientation in human articular cartilage - Osteoarthritis and Cartilage
Save This Article To My Filing Cabinet Email This Article Conclusion: Our diffraction enhanced images represent the first radiographic detection of the structural orientation in cartilage. Our data are in line with previous studies on the structural organization of joint cartilage. They confirm the model of a vaulting system of collagen fiber bundles interrupted by proteoglycan aggregates...
  Pain-Related Fear, Lumbar Flexion, and Dynamic EMG Among Persons With Chronic Musculoskeletal Low Back Pain - The Clinical Journal of Pain
Save This Article To My Filing Cabinet Email This Article Conclusion: Pain-related fear is significantly associated with reduced lumbar flexion, greater EMG in full flexion, and a smaller FRR. The relationship between pain-related fear and EMG during flexion and extension appears to be mediated by reduced lumbar flexion. These results suggest that pain-related fear is directly associated with musculoskeletal abnormalities observed among persons with chronic low back pain, as well as indirectly through limited lumbar flexion...

 

 

February 02, 2004
  Technology Assessment for Radiologists - Radiology
Save This Article To My Filing Cabinet Email This Article Health technology assessment is the systematic and quantitative evaluation of the safety, efficacy, and cost of health care interventions. This article outlines aspects of technology assessment of diagnostic imaging. First, it presents a conceptual framework of a hierarchy of levels of efficacy that should guide thinking about imaging test evaluation...
  Variations in Calcaneonavicular Morphology Demonstrated with Radiography - Radiology
Save This Article To My Filing Cabinet Email This Article Conclusion: The general prevalence of calcaneonavicular coalition (synchondrosis and syndesmosis) may be greater than previously reported, but further research is needed to prove the validity of this hypothesis...
  Noninvasive Magnetic Resonance to Three-Dimensional Rotational X-Ray Registration of Vertebral Bodies for Image-Guided Spine Surgery - Spine
Save This Article To My Filing Cabinet Email This Article Conclusion: Noninvasive MMI registration of intraoperative 3DRX images to preoperative MR images is more accurate than point-based registration in cadaveric spine segments. It is therefore a promising technique for replacing the invasive landmark-based registration that is currently used in image-guided spine surgery ...
  Intervertebral Disk Calcification of the Spine in an Elderly Population: Radiographic Prevalence, Location, and Distribution and Correlation with Spinal Degeneration - Radiology
Save This Article To My Filing Cabinet Email This Article Conclusion: IDC is common in elderly persons, especially in the annulus fibrosus and lower thoracic spine. The prevalence of IDC increases with age and extent of disk space loss...
  An Analysis of Chest Wall and Diaphragm Motions in Patients With Idiopathic Scoliosis Using Dynamic Breathing MRI - Spine
Save This Article To My Filing Cabinet Email This Article Conclusion: The present technique is useful for assessing respiratory mechanisms dynamically and noninvasively. One of the distinguishing features of respiratory dysfunction in patients with scoliosis is their limited chest wall motion...