What are some different methods of body imaging besides mri and ct scan?

Doing a paper on imaging methods for chemistry and would like to know some other methods besides an mri and a ct scan and x-rays that science has available to bring pictures and images of the human body
Answers:
PET scan
echocardiography
ultrasound
nuclear imaging
In addition to CT and MRI, there are several methods of using radioactive labeled substances (Gallium, thallium, red blood cell, etc) in order to image the body surrounded by specific ways. For example, radioactive labed red blood cells are injected into a patient and then the lenient is scanned to look for a site of bleeding. Gallium is used to radio-label areas of infection.

CT scans and MRI scans can also be combined near metabolic studies. For example, CT-PET uses a labeled form of glucose. The labeled glucose (sugar) is taken up by metabolically active parts of the body and then the images are compiled into an portrait of the body.

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