[Examination of any part of the body for diagnostic purposes by means of various medical imaging modalities such as ionizing radiation, radionuclides, nuclear magnetic resonance, and ultrasound. Some of the methods produce an image of the anatomy; others (most of the nuclear medicine techniques) produce an image of functionality. The concept encompasses among other methods: conventional X-ray, computer tomography, single photon emission computed tomography, positron emission tomography. ( NCI )]
UMLS (NCI) C0043299