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KMID : 0386119920280040541
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Journal of the Korean Radiological Society
1992 Volume.28 No. 4 p.541 ~ p.544
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The Comparison of the Diameter of Anterior Segmental Bronchus and that of Anterior Segmental Artery
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Abstract
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It is thought to be reliable roentgenologic sign of pulmonary plethora that the diameter of anterior segmental artery(d-ASA) is larger than that of anterior segmental bronchus(d-ASB). To evaluate the reliability of this sign, we compared d-ASA
with
d-ASB on chest rentgenograms of 100 normal adults. Of the total 105 cases. d-ASA was larger than d-ASB in 40 cases (38.1%), smaller than d-ASB in 34 cases(32.4%) and equal to (d-ASA and) d-ASB in 31 cases(29.5%).
The ratio(ABR) and difference between d-ASA and d-ASB ranged from 0.70 to 1.58(mean, 1.05±0.30) and from -1.85mm to +2.45mm(mean of absolute value, 0.75mm±0.57). These results showed that the relationships between d-ASA and d-ASB were variable.
Conclusively, d-ASA may be larger than d-ASB in even normal adults and mild degree of pulmonary plethora cannot exectly evaluated with this findings only.
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KEYWORD
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