孔某某,女,35岁,病志号 103804。主诉呼吸困难五年,加重半个月。既往按哮喘病治疗,病情无好转。入院后查体:一般状态,神志清楚,吸气性呼吸困难二度伴吸气性喉鸣,无声嘶,间接喉镜下见双侧声带边缘光滑,运动正常,声门下气管后壁可见一红色、表面光滑、广基半球状肿物(图1),约占总气管截面积的2/3,气管狭窄为半月形间隙。颈侧位片可见声门下区约 Kong Moumou, female, 35 years old, pathology No. 103804. Chief complaint breathing difficulties for five years, increased by half a month. Past treatment of asthma, the condition did not improve. After admission, physical examination: general state, conscious, aspiration breathing difficulty second with aspiration throat, silent hoarseness, indirect laryngoscope see bilateral vocal cord edge smooth, normal motion, subglottic trachea visible a red , Smooth surface, wide hemispherical tumor (Figure 1), accounting for about 2/3 of the total tracheal cross-sectional area, tracheal stenosis half-moon-shaped gap. Cervical flank film can be seen under the glottis area