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Tomography, Volume 11, Issue 12
2025 December - 13 articles
Cover Story: Chest CT scans are important for monitoring lung problems in people with cystic fibrosis (CF). However, repeated scans can expose patients to radiation, which is a concern as people with CF are now living longer due to improved treatment options. A newer type of CT technology, called photon-counting CT (PCCT), may help reduce this radiation. In this study, researchers compared two PCCT settings (low-dose and ultra-low-dose) in 72 people with CF. The results showed that the ultra-low-dose PCCT scans used about 65% less radiation than the low-dose version. Even though the image quality was slightly lower, doctors still rated the ultra-low-dose version as good enough for diagnosis. In fact, the radiation from the ultra-low-dose scan was only about twice that of a standard two-view chest X-ray, which is very low for a CT scan. View this paper
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Tomography - ISSN 2379-139X