Wednesday, December 1 | 10:40 a.m.-10:50 a.m. | SSK05-02 | Room S404CD
What are the effects of running a computer-aided detection (CAD) algorithm concurrently during the reading process for low-dose CT studies? A group from Kobe University in Japan sought answers in this study.The group previously found that using CAD concurrently in the reading process can offer comparable observer performance -- and with less reading time -- to CAD as a second reader in evaluating lung nodules on MDCT studies.
That study, however, only employed standard-dose CT studies, said presenter Sumiaki Matsumoto, MD, PhD.
"This year's paper substantiates the same statement based on a new study using both low-dose CT and standard-dose CT," he said.
The authors found that concurrent CAD on low-dose CT offered the same level of accuracy and shorter reading time compared to second-read CAD on both low-dose and standard-dose CT.
![Axial images from unenhanced calcium score cardiac CT (left) and curved planar reformation images from CT angiography (right) show that higher long-term exposure to air pollution is associated with greater coronary artery calcium and more obstructive coronary artery disease (CAD). Top row: Images in a 68-year-old male patient with higher 10-year mean ambient air pollution exposure (7.9 μg/m3 for particulate matter measuring ≤2.5 μm in diameter [PM2.5] and 17.4 parts per billion [ppb] for NO2) with extensive CAD (coronary artery calcium score [CACS] >1,000 and obstructive CAD [≥70% diameter stenosis]). Bottom row: Images in a 57-year-old female patient with lower 10-year mean ambient air pollution exposure (6.3 μg/m3 for PM2.5 and 4.6 ppb for NO2) with no CAD (CACS = 0 and no obstructive stenosis).](https://img.auntminnie.com/mindful/smg/workspaces/default/uploads/2026/06/hanneman.r6SMLzkezo.png?auto=format%2Ccompress&dpr=2&fit=crop&h=167&q=70&w=250)
