患儿男,9岁9个月,因间断发热、咳嗽10个月于2006年2月13日入院。患儿为足月顺产,生后母乳喂养,智利发育正常,体力发育较差。生后至入院时反复呼吸道感染。本次发病主要表现为发热、咳嗽、咳痰,痰中带血丝。查体:体重24.5kg,身高133cm,体型偏瘦,双肺呼吸音粗,双下肺闻及中量细湿 Children, male, 9 years old and 9 months, due to intermittent fever, cough for 10 months on February 13, 2006 admission. Children with full-term follow-up, breastfeeding after birth, Chile developed normally, physical development is poor. After birth to recurrent respiratory tract infection. The incidence of the main manifestations of fever, cough, sputum, bloody sputum. Physical examination: weight 24.5kg, height 133cm, body size is thin, breath sounds coarse lungs, double lung smelling in the amount of fine wet