2011年7月5日 星期二
bronchial dilatation, bronchial wall thickening
Tram tracks
DD: LAM, langerhans cell histiocytosis
Cylindrical bronchiectasis: failure of the involved airways to taper progressively in their distal course.Varicoid bronchiectasis: irregular dilation, narrowing, and outpouching of the airways
Saccular bronchiectasis: focal or cystic distortion of the distal airways
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