Ultrasound And MRI: The Two Essential Imaging Modalities
Radiology is a specialty or branch of medicine which uses imaging technologies such as Magnetic Resonance Imaging, Computed tomography scans and X-rays for diagnosis and treatment of diseases. Moreover, taking images of body’s internal organs helps in detection of diseases. A diagnostic radiologist is a physician who studies and interprets the results of a diagnostic radiology exam. Prior to the emergence of diagnostic imaging as a field of study, doctors were able to study internal body parts only after a patient’s death.
Conventionally, radiology was the field of medical imaging which utilized X-rays over flat sheets of photographic films to enable diagnosis of diseases. However, in the present scenario radiology is not limited to X-rays and encompasses various other techniques of diagnostic imaging like Magnetic Resonance Imaging (MRI), Ultrasound and Computed Tomography (CT). A diagnostic radiology exam usually involves the use of one or more radiology techniques for diagnosis of a disease. Unlike other fields of radiology, Ultrasound and Magnetic Resonance Imaging have become separate methods of diagnostic imaging which do not involve the utilization of ionizing radiations.
Magnetic Resonance Imaging is described as a non-invasive diagnostic technique which combines radio frequencies and a large effective magnetic field to study the internal organs of human body. This kind of emission imaging generates detailed images of soft tissues, organs, bone as well as other internal body structures. Similarly, ultrasound technology or ultrasound is an efficient diagnostic modality which makes use of high frequency sound waves for visualization of different organs as well as organ systems.
Imaging modalities like Ultrasound and Magnetic Resonance Imaging have decreased the gap between diagnosis and treatment of a disease.