Radiology

Article Abstract:

Radiology celebrated its 100th anniversary in 1995 with a series of worldwide lectures and exhibits. Magnetic resonance imaging (MRI) is being adapted to monitor blood flow, a technique called magnetic resonance angiography, or MRA. MRA is as accurate as standard angiography, which normally uses contrast dyes injected into blood vessels to make them stand out on X-rays. MRA requires no injections or dangerous dyes. However, it can not detect very small blood vessels. Image-guided therapy involves using an imaging technique such as fluoroscopy, ultrasound, CT or MRI to guide surgeons who are taking a biopsy or performing a surgical procedure. Radiological societies and researchers have a substantial presence on the World Wide Web, as revealed by a search that found 51 sites as of Dec 1995. Radiological images can be transmitted over fiberoptic lines but this procedure, called teleradiology, is expensive.

Internet, Information services, Magnetic resonance imaging, Angiography

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Radiology

Article Abstract:

Radiologists are evaluating diagnostic imaging techniques for new uses and for cost effectiveness. Spiral computed tomography (CT) now can provide three-dimensional images from a spiral image of tissue studied during a patient examination. CT's expanded uses may include the identification of pulmonary emboli and vascular problems. Radiologists may chose CT over magnetic resonance imaging because it is more easily available and less costly. Digital electronic radiology is a promising new technology that can convert a radiographic image to digital form that can be stored, interpreted and transmitted. Physicians and radiologists would benefit from learning how to use the Internet.

Health aspects, CT imaging, CAT scans, Digital electronics, Diagnostic imaging, Radiology, Medical

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Radiology

Article Abstract:

Interventional radiology is a rapidly growing subspecialty. It often involves using angiography to select the most appropriate patients for a therapeutic procedure. Many procedures are performed while the patient is being monitored by an imaging process. New contrast agents have been developed that are taken up by a specific organ. One of the most important developments in radiology is the transmission of digital images between sites. The Digital Imaging and Communication in Medicine (DICOM) standard allows digital images to be shared between diverse computer systems and platforms.

Care and treatment, Standards, Contrast media, Contrast media (Chemicals), Image transmission, Image transmission technologies, Intracranial aneurysms, Cerebral aneurysm

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