Which form of bronchiectasis causes the greatest amount of damage to the tracheobronchial tree?
a. Triphasic
b. Varicose
c. Cystic
d. Fusiform
C
Cystic (saccular) bronchiectasis is more damaging than varicose (fusiform) or cylindrical (tubular) bronchiectasis because the bronchial walls are only composed of fibrous tissues. There is no such thing as triphasic bronchiectasis.
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