CT Scans Linked to Surprising Number of Cancer Cases, Study Finds

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00:00CT scans linked to surprising number of cancer cases, study finds.

00:06A computed tomography scan and imaging test helps detect diseases.

00:10These non-invasive x-rays reveal detailed internal views.

00:14However, researchers warn about potential CT scan risks, including a heightened chance

00:20of developing cancer despite their painless nature.

00:24According to a new study, CT scans may account for around 5% of cancer diagnoses every year

00:30in the future.

00:32While some damage from CT scans can be repaired, some remains, leading to cancer.

00:37This overlooked issue prompted research by a team led by Dr. Rebecca Smith Bindman, professor

00:43at the University of California, San Francisco, examining these effects.

00:49To achieve a more accurate estimate, researchers analyzed data from approximately 93 million

00:55CT scans conducted on 61 million Americans in 2023.

01:01The team employed diverse data sources to determine patient demographics, scan types, and radiation

01:07doses administered.

01:09A National Cancer Institute risk calculator estimated future cancer diagnoses from CT scans.

01:16It predicts 103,000 cases affecting organs like bladder, breasts, and lungs, and anticipates

01:235% of annual cancer cases.

01:27Wynn stated that, like other medical procedures, CT scans carry risks.

01:33Patients and doctors must assess whether the benefits outweigh the side effects.

01:38If a radiation-free alternative is not available, then a CT scan may be required.

01:45The study's author added that one way to reduce the risk of cancer is to reduce unnecessary

01:51tests.

01:52The second way is to reduce the radiation doses for each scan.

01:57If the patient is a child, it's important for the parents to ask questions on their behalf.

02:02The study reveals that younger patients face a higher cancer risk post-CT scan.

02:09They may be scanned before their first birthdays are 10 times likelier to develop cancer.

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