Radiologists are medical doctors that specialize in diagnosing and treating injuries and diseases using medical imaging (radiology) procedures (exams/tests) such as X-rays, computed tomography (CT), magnetic resonance imaging (MRI), nuclear medicine, positron emission tomography (PET) and ultrasound.
Diagnostic radiologists, through extensive clinical work and related research, may also specialize in these radiology subspecialties:
Breast imaging (mammograms)
Cardiovascular radiology (heart and circulatory system)
Chest radiology (heart and lungs)
Emergency radiology
Gastrointestinal radiology (stomach, intestines and abdomen)
Genitourinary radiology (reproductive and urinary systems)
Head and neck radiology
Musculoskeletal radiology (muscles and skeleton)
Neuroradiology (brain and nervous system; head, neck and spine)
