Friday, 12/5/03 -- 3:10 PM PST CE-CTA appears ready for routine internal carotid artery
imaging Taiwanese researchers have found that contrasted-enhanced multidetector CT
angiography is a perfect match for conventional angiography in differentiating
between total and near-total occlusive disease and mapping the architectural
landmarks of the internal carotid artery (ICA) Dr. Hui-Ling Hsu and colleagues
at
The RSNA meeting is changing. This one is obviously the biggest; I'm just not
sure whether, for the majority of the members, it's the best. In years past,
one of the fun things about this event was seeing old friends.
At least 44 vendors are offering some type of PACS this year, requiring an
investment from millions of dollars to as little as $5000, an entry price
heralded by a banner hanging in one vendor's booth. Twenty vendors are selling a
German interventionalists, having previously used MR guidance during laser-induced interstitial thermotherapy (LITT) of liver tumors, continued the practice when they began ablating lung tumors with laser. The ablated tumor experiences an increase in the T1 relaxation time, which manifests as a decrease in signal. Although this allows interventionalists to see the ablated tissue, they could not visualize the safety margin. Switching to CT guidance, they discovered they could observe the ablation nicely because of an air-trapping process that occurs in the surrounding ablated area. (Provided by Dr. Martin Mack, University of Frankfurt)
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