The influence of the lordotic projection on the interpretation of the chest radiograph
The advantages of the lordotic projection, particularly in elucidating suspected pathology at the lung apex, are well known. However, the distortion and artefact of the images of thoracic structures produced by this projection can lead to diagnostic errors. In order to determine the differences in t...
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| Veröffentlicht in: | Clinical radiology 1989-07, Vol.40 (4), p.360-364 |
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| creator | Hollman, A.S. Adams, F.G. |
| description | The advantages of the lordotic projection, particularly in elucidating suspected pathology at the lung apex, are well known. However, the distortion and artefact of the images of thoracic structures produced by this projection can lead to diagnostic errors. In order to determine the differences in the images produced we compared 14 pairs of lordotic and standard chest radiographs, taken within 24 h of each other, in the same patients. The main artefacts seen in the lordotic views were apparent elevation of the diaphragm, poor visualisation of the lung bases, loss of definition of the aortic knuckle, and apparent widening of the superior mediastinum. These artefacts were greatly exaggerated when lordosis coexisted with pathology, or technical factors such as patient rotation or inadequate respiration. Caution should be exercised to avoid misinterpretation of lordotic films. |
| doi_str_mv | 10.1016/S0009-9260(89)80119-9 |
| format | Article |
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However, the distortion and artefact of the images of thoracic structures produced by this projection can lead to diagnostic errors. In order to determine the differences in the images produced we compared 14 pairs of lordotic and standard chest radiographs, taken within 24 h of each other, in the same patients. The main artefacts seen in the lordotic views were apparent elevation of the diaphragm, poor visualisation of the lung bases, loss of definition of the aortic knuckle, and apparent widening of the superior mediastinum. These artefacts were greatly exaggerated when lordosis coexisted with pathology, or technical factors such as patient rotation or inadequate respiration. 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However, the distortion and artefact of the images of thoracic structures produced by this projection can lead to diagnostic errors. In order to determine the differences in the images produced we compared 14 pairs of lordotic and standard chest radiographs, taken within 24 h of each other, in the same patients. The main artefacts seen in the lordotic views were apparent elevation of the diaphragm, poor visualisation of the lung bases, loss of definition of the aortic knuckle, and apparent widening of the superior mediastinum. These artefacts were greatly exaggerated when lordosis coexisted with pathology, or technical factors such as patient rotation or inadequate respiration. Caution should be exercised to avoid misinterpretation of lordotic films.</description><subject>Biological and medical sciences</subject><subject>Diagnostic Errors</subject><subject>Humans</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Medical sciences</subject><subject>Posture</subject><subject>Radiodiagnosis. Nmr imagery. 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Nmr spectrometry</topic><topic>Radiography, Thoracic - methods</topic><topic>Respiratory system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hollman, A.S.</creatorcontrib><creatorcontrib>Adams, F.G.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Clinical radiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hollman, A.S.</au><au>Adams, F.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of the lordotic projection on the interpretation of the chest radiograph</atitle><jtitle>Clinical radiology</jtitle><addtitle>Clin Radiol</addtitle><date>1989-07-01</date><risdate>1989</risdate><volume>40</volume><issue>4</issue><spage>360</spage><epage>364</epage><pages>360-364</pages><issn>0009-9260</issn><eissn>1365-229X</eissn><coden>CLRAAG</coden><abstract>The advantages of the lordotic projection, particularly in elucidating suspected pathology at the lung apex, are well known. However, the distortion and artefact of the images of thoracic structures produced by this projection can lead to diagnostic errors. In order to determine the differences in the images produced we compared 14 pairs of lordotic and standard chest radiographs, taken within 24 h of each other, in the same patients. The main artefacts seen in the lordotic views were apparent elevation of the diaphragm, poor visualisation of the lung bases, loss of definition of the aortic knuckle, and apparent widening of the superior mediastinum. These artefacts were greatly exaggerated when lordosis coexisted with pathology, or technical factors such as patient rotation or inadequate respiration. Caution should be exercised to avoid misinterpretation of lordotic films.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><pmid>2758742</pmid><doi>10.1016/S0009-9260(89)80119-9</doi><tpages>5</tpages></addata></record> |
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| ispartof | Clinical radiology, 1989-07, Vol.40 (4), p.360-364 |
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| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Biological and medical sciences Diagnostic Errors Humans Investigative techniques, diagnostic techniques (general aspects) Medical sciences Posture Radiodiagnosis. Nmr imagery. Nmr spectrometry Radiography, Thoracic - methods Respiratory system |
| title | The influence of the lordotic projection on the interpretation of the chest radiograph |
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