患者男,8岁。因咳嗽3天,呼吸困难半天就诊。CT平扫:右肺中间段支气管内侧壁见一细小支气管开口,呈圆锥形,其走行向心脏方向,开口直径约5 mm,长度约2.3 cm,显示有通气肺小叶相连,通气肺小叶平均最大直径32 mm。CT诊断:副心支气管(图1~3)。讨论副心支气管又称心支气管、肺底心段副支气管等,较为罕见。1946年Brock最先描述这一解剖变异,1956年Huzly将其命名为副 Patient male, 8 years old. Due to cough for 3 days, breathing difficulties half-day treatment. CT scan: the middle of the right lung bronchial wall see a small bronchial opening, was conical, and its direction to the heart, the opening diameter of about 5 mm, length of about 2.3 cm, showing ventilated lung lobes connected, the largest average ventilation lobe Diameter 32 mm. CT diagnosis: Deputy cardiac bronchus (Figure 1 ~ 3). Discussion Vice heart bronchus and bronchus heart, lung heart segment bronchus and other more common. Brock first described the anatomical variation in 1946, and in 1956 Huzly named it an associate