ELI5: Explain Like I'm 5

X-ray computed tomography

Okay kiddo, have you ever played with a puzzle that has many pieces and to see what the picture on the puzzle looks like, you have to put all the pieces together?

Well, x-ray computed tomography (CT) is just like that! But instead of a puzzle, we are looking at the inside of your body if a doctor needs to see what's going on in there.

When you go for a CT scan, a special machine takes lots and lots of pictures of the inside of your body. The machine looks like a big doughnut with a table that you lie down on.

It's like a camera that takes many pictures of your body as you slide slowly through the doughnut hole. But instead of taking pictures of the outside of your body, it takes pictures of your insides.

The machine uses X-rays, which are like special rays of light. The X-rays are so powerful that they can go through your body and show us what's going on inside. The machine takes pictures of all different angles and puts them all together to create a 3D picture.

Think of it like taking a bunch of pictures of a toy car from different angles and putting them together so we can see the whole thing.

The doctor will use the 3D picture to see if anything is wrong inside your body, like a broken bone or a tumor. It's kind of like the doctor is doing a puzzle too, but with your insides!

After the CT scan is done, the doctor will look at the pictures and figure out what's going on inside your body. If they need more information, they might ask you to come back for more pictures, or they might use other tests to get more information.

And that, my little friend, is x-ray computed tomography!