In-line PET-CT improves cancer diagnosis

Dear AuntMinnie.com member,

CT fans will appreciate a spate of good news this week in our CT Digital Community, at ct.auntminnie.com.

In the first of two featured articles, staff editor Eric Barnes discusses a study by Swiss researchers who were among the first to use a hardware-based PET-CT scanner. They examined 53 consecutive patients and 287 lesions, first analyzing images with PET alone, and then with CT images acquired at different mA settings.

The group found that PET-CT significantly improved diagnostic accuracy regarding lesion classification compared with PET alone. They also noted that using CT-based scatter and attenuation correction could reduce acquisition times significantly.

Mr. Barnes' second story reports the early results of a pilot CT lung cancer screening study in Colorado. The trial was designed to capitalize on new knowledge of lung cancer's most common precursors. Among other advantages, the group believes this knowledge will lead to better patient selection compared with that of the first lung screening trials conducted in the 1970s and 1980s.

For these articles and more on CT, just point your browser to ct.auntminnie.com.

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