Word parts
tom/o cut, slice-graphy process of recording
What it means
The best-known form is computed tomographykum-PYOO-tid toh-MOG-ruh-feeAn imaging test that uses x-rays and a computer to make cross-section pictures of the inside of the body.tom/o cut, slice-graphy process of recordingFull entry (CT), which builds slices from x-rays. Positron emission tomography (PET) uses a small amount of radioactive tracer to show how active tissues are and is used often in cancer care.
At a glance
| Spanish | tomografía |
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Related terms
computed tomography
An imaging test that uses x-rays and a computer to make cross-section pictures of the inside of the body.
magnetic resonance imaging
An imaging test that uses a strong magnet and radio waves to make detailed pictures of the inside of the body.
x-ray
A picture of the inside of the body made with a small dose of radiation; also called a radiograph.