Diagnostic imaging: Difference between revisions
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'''Diagnostic imaging''' also called '''medical imaging''', refers to the ensemble of methods used to generate visual representations of objects of clinical interest.<ref>{{MeSH}}</ref> These include [[x-ray]]s, [[Computed tomography|computed tomography (CT)]], [[Magnetic resonance imaging|magnetic resonance imaging (MRI)]], [[Positron emission tomography|Positron emission tomography (PET)]], [[Radionuclide angiography]], [[Single photon emission computed tompography|Single Photon Emission Computed Tompography (SPECT)]] and [[ultrasonography]]. They are usually used to provide supplementary diagnostic information as well as to monitor the progress of disease and/ or therapy. | '''Diagnostic imaging''' also called '''medical imaging''', refers to the ensemble of methods used to generate visual representations of objects of clinical interest.<ref>{{MeSH}}</ref> These include [[x-ray]]s, [[Computed tomography|computed tomography (CT)]], [[Magnetic resonance imaging|magnetic resonance imaging (MRI)]], [[Positron emission tomography|Positron emission tomography (PET)]], [[Radionuclide angiography]], [[Single photon emission computed tompography|Single Photon Emission Computed Tompography (SPECT)]] and [[ultrasonography]]. They are usually used to provide supplementary diagnostic information as well as to monitor the progress of disease and/or therapy. | ||
Physicians who devote their careers in the interpretation of these methods are [[radiology|radiologist]]s or [[nuclear medicine]] specialists. Both specialties do other work besides imaging, but, in general, radiologists are concerned with images produced by directing an electromagnetic or ultrasound signal through the body to a receiver, where nuclear medicine is concerned with obtaining images from radioactive substances inside the body. | Physicians who devote their careers in the interpretation of these methods are [[radiology|radiologist]]s or [[nuclear medicine]] specialists. Both specialties do other work besides imaging, but, in general, radiologists are concerned with images produced by directing an electromagnetic or ultrasound signal through the body to a receiver, where nuclear medicine is concerned with obtaining images from radioactive substances inside the body. | ||
Not all of these methods, such as ultrasonography, use [[radioactivity]]. There are evolving methods that look at heat distribution at the skin surface. A Wood's Light, which emits [[ultraviolet]] light, is commonly used in [[dermatology]]; some skin lesions exhibit [[ fluorescence]] under this illumination. | |||
The interpretation of radiographs may be improved by: | The interpretation of radiographs may be improved by: | ||
Revision as of 14:55, 26 September 2008
Diagnostic imaging also called medical imaging, refers to the ensemble of methods used to generate visual representations of objects of clinical interest.[1] These include x-rays, computed tomography (CT), magnetic resonance imaging (MRI), Positron emission tomography (PET), Radionuclide angiography, Single Photon Emission Computed Tompography (SPECT) and ultrasonography. They are usually used to provide supplementary diagnostic information as well as to monitor the progress of disease and/or therapy.
Physicians who devote their careers in the interpretation of these methods are radiologists or nuclear medicine specialists. Both specialties do other work besides imaging, but, in general, radiologists are concerned with images produced by directing an electromagnetic or ultrasound signal through the body to a receiver, where nuclear medicine is concerned with obtaining images from radioactive substances inside the body.
Not all of these methods, such as ultrasonography, use radioactivity. There are evolving methods that look at heat distribution at the skin surface. A Wood's Light, which emits ultraviolet light, is commonly used in dermatology; some skin lesions exhibit fluorescence under this illumination.
The interpretation of radiographs may be improved by:
References
- ↑ Anonymous (2024), Diagnostic imaging (English). Medical Subject Headings. U.S. National Library of Medicine.
- ↑ Aideyan UO, Berbaum K, Smith WL (March 1995). "Influence of prior radiologic information on the interpretation of radiographic examinations". Acad Radiol 2 (3): 205–8. PMID 9419549. [e]
- ↑ Taylor P, Potts HW (April 2008). "Computer aids and human second reading as interventions in screening mammography: two systematic reviews to compare effects on cancer detection and recall rate". Eur. J. Cancer 44 (6): 798–807. DOI:10.1016/j.ejca.2008.02.016. PMID 18353630. Research Blogging.