Your scan may reveal a nodule on your lungs, but that doesn’t mean that you have cancer. Nodules are found in up to half of adults who have a chest X-ray or CT scan of the lungs. [3] But, less ...

Medical imaging scans that create detailed images of the body’s internal structures are widely used in medicine. Doctors need them to detect and manage certain types of cancer, assess the extent of ...

Magnetic resonance (MRI) may be used instead of computed tomography (CT) in situations where organs or soft tissue are being studied, because MRI is better at telling the difference between normal and ...

Computed tomography (CT) examinations (known more commonly as a “ CT scan ” or “CAT scan”) incorporate a series of x-ray images taken of areas inside the body and use a computer to create a ...

Adults, however, may face a greater risk since most scans are performed on them. The most common cancers linked to CT scan exposure include lung, colon, bladder cancer, and leukemia.

According to a 2008 study, the average radiation dose from a CT scan ranges from 10-20 millisieverts (mSv), which corresponds to a lifetime risk of fatal cancer estimated at one in 2,000 scans.

A CT scan is a type of imaging test that lets your doctor look inside your body. Remember, your doctor wants you to feel “prepared and comfortable for your exam,” Smith-Bindman said.

TOI Lifestyle Desk / etimes.in / Updated: Apr 30, 2025, 14:53 IST ...

The study itself is basically a modeling exercise. The authors took an estimate of the number of CT scans done every year in the U.S., based on research from 2023. Next, they estimated the dose of ...

According to the study, the largest number of cancers in adults was due to CT scans of the pelvis and abdomen. Children face a higher risk of cancer following CT scans of the head. “Given the ...

CT scans performed in the US in 2023 alone could eventually lead to over 100,000 extra cancer cases, a new study claims.

In 2023 alone, Americans underwent 93 million CT scans, a figure that researchers say could result in nearly 103,000 new cancer cases – three to four times higher than previous estimates.