British Journal of Radiology (2005) 78, 398-404
© 2005 British Institute of Radiology
doi: 10.1259/bjr/20497987
Normal radiographic anatomy of thoracic structures: analysis of 1000 chest radiographs in Japanese population
H Abiru, MD
K Ashizawa, MD
R Hashmi, MD
and
K Hayashi, MD
Division of Radiological Science, Department of Radiology and Radiation Biology, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki 852-8501, Japan
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Figure 1. A bar graph showing distribution of patient's age.
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Figure 2. Schematic drawing of fissure lines. 1: Minor fissure. 2: Superolateral major fissure. 3: Superomedial major fissure. 4: Vertical fissure line. 5: Superior accessory fissure. 6: Inferior accessory fissure.
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Figure 3. Schematic drawing of vascular and other structures. 1: Normal apical opacity. 2: Aortic nipple. 3: Descending thoracic aortic interface. 4: Air in the oesophagus. 5: Aortic pulmonary stripe. 6: Diaphragm.
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Figure 4. Posteroanterior chest radiographs showing minor fissures in (a) a 67-year-old man and (b) a 54-year-old woman. (a) The minor fissure with shape of convexity upward is visible as one line (arrows). Medial side of it is higher than lateral and its length is more than two-thirds. Focal obliteration of the fissure is seen medially but outside of the pulmonary artery. (b) The minor fissure is seen as two lines running parallel to each other (arrows).
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Figure 5. Posteroanterior chest radiographs showing superolateral major fissures in a 25-year-old man. Fissures are seen as curving contours with lateral opacity and medial lucency bilaterally (arrows). The left superolateral major fissure extends higher than the right.
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Figure 6. Posteroanterior chest radiograph showing superomedial major fissure in a 68-year-old man. Fissures appear as short straight lines bilaterally (arrows).
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Figure 7. Posteroanterior chest radiograph showing vertical fissure line in a 30-year-old man (arrows).
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Figure 8. Posteroanterior chest radiograph showing right superior accessory fissure in a 28-year-old woman. The fissure lies inferior to and parallel to minor fissure (arrows).
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Figure 9. Posteroanterior chest radiograph showing right inferior accessory fissure in a 64-year-old man as a thin line extending from the diaphragm obliquely upward toward hilum (arrows).
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Figure 10. Posteroanterior chest radiograph showing normal apical opacity in a 41-year-old man. This opacity is seen above the clavicle and between the lateral margin of the spine and the inner margin of the first anterior rib (arrows).
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Figure 11. Posteroanterior chest radiograph showing aortic nipple in a 28-year-old man. A small nipple around the aortic knob is seen (arrow).
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Figure 12. Posteroanterior chest radiograph showing focal obliteration of the descending aortic interface at inferior portion in a 50-year-old man (arrows).
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Figure 13. Posteroanterior chest radiograph showing air in the oesophagus in a 60-year-old woman. Segmental air in the oesophagus is visible as a triangular lucency below aortic knob (arrowheads). Right and left pleuroesophageal stripe are also seen (arrows).
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Figure 14. Posteroanterior chest radiograph showing aortic pulmonary stripe in a 23-year-old man. This stripe is seen as an oblique contour extending across the outline of the aortic knob from superior medium to the left hilum (arrows).
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Figure 15. Posteroanterior chest radiograph showing the right diaphragm in a 77-year-old woman. The right diaphragm with two smooth arcuate elevations is seen.
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Copyright © 2005 by the British Institute of Radiology.
