Results The cases of bronchiectasis had different special HRCT manifestations:pillar 31,cystiform 25,varicose 14,mixed 19.

• 结果HRCT显示柱状型支气管扩张31例,囊状型支气管扩张25例,静脉曲张型支气管扩张14例,混合型支气管扩张19例。