Isis W Gayed
Nuclear Medicine Section, Department of Diagnostic and Interventional imaging, University of Texas Health Science Center at Houston, TX, USA
The field of nuclear medicine has witnessed major advances in imaging technology and radiopharmaceuticals development in a relatively short time interval. An impressive leap has occurred between the invention of the first gamma camera by Anger in 19571 to the presently widely available hybrid technology of positron emission tomography - computed tomography (PET-CT) and single-photon emission computed tomography - computer tomography (SPECT-CT).2 The field is yet to witness the impact of the emerging PET-magnetic resonance imaging (MRI) scanners. The variability of available radiopharmaceuticals to evaluate various body functions adds to the uniqueness of this field of functional imaging.
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