医学影像英语每日读丨93.Normal left lateral chest radiograph

每天朗读一段医学影像学英语文章

朗读者： Aimee

Normal left lateral chest radiograph.

A clear space is present behind the sternum (solid white arrow). The hila produce no discrete shadow (white circle). The vertebral bodies are approximately of equal height and their endplates are parallel to each other (double white arrows). The posterior costophrenic angles (solid black arrow) are sharp. Notice how the thoracic spine appears to become blacker (darker) from the shoulder girdle (black star) to the diaphragm because there is less dense tissue for the x-ray beam to traverse at the level of the diaphragm. The heart normally touches the anterior aspect of the left hemidiaphragm and usually obscures (silhouettes) it. The superior surface of the right hemidiaphragm is frequently seen continuously from back to front (dotted black arrow) because it is not obscured by the heart. Notice the normal space posterior to the heart and anterior to the spine; this will be important in assessing cardiomegaly (Chapter 9). The black line represents the approximate location of the major or oblique fissure; the white line is the approximate location of the minor or horizontal fissure. Both are visible because they are seen en face on the lateral view.

来源：每天朗读一段医学影像学英语文章

圈主

深圳市人民医院放射科副主任医师杨敏洁

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