概述Overview) (一)概念(Definition) Pect us ex c a v a t u m P E)is a congenital deformity of the anterior thoracicwallinwhich t h e s t e r n u m a n d ri b c a ge g r o w abnormally.This produces a caved-in or sunken appearance of the chest. (漏斗胸是指前胸壁胸骨中下部及相应肋 软骨向脊柱方向凹陷，形成以胸骨剑突为 中心的前胸壁漏斗状下陷畸形。)
一 、 概述(Overview) （一）概念(Definition） a c o n g e n i t a l d e f o r m i t y o f P e c t u s e x c a v a t u m ( P E ) i s t he a n t e r i o r t h o r a c i c wa l l i n wh i c h t h e s t e r n u m a n d r i b c a g e g r o w abnormally. This produces a caved-in or sunken appearance of the chest. （漏斗胸是指前胸壁胸骨中下部及相应肋 软骨向脊柱方向凹陷，形成以胸骨剑突为 中心的前胸壁漏斗状下陷畸形。）
(二)流行病学(Epidemiology) Funnel chest is the most common congenital chest wall deformity with an incidence rate of 0.1%to 0.4%.The ratio between men and women is about 4-5:1
（二）流行病学 (Epidemiology) Funnel chest is the most common congenital chest wall deformity with an incidence rate of 0.1% to 0.4%. The ratio between men and women is about 4-5:1
(三)自然病程Natural history) The deformity often aggravates gradually,rarely subsides by itself. (四)治疗(Treatment): “Comprehensive treatment based on operation.”以手术为主 的综合治)
（三）自然病程 (Natural history) The deformity often aggravates gradually, rarely subsidesby itself. （四）治疗(Treatment)： “Comprehensive treatmentbased on operation.”(以手术为主 的综合治疗)
二、病因 (Etiopathogenisis) (-)Funnel chest is a congenital developmental abnormality,the cause of which is unsure but assume that there is a genetic component for at least some of the cases.Approximately 10%-20%ofindividuals with PE have a first degree family member with the condition
二、病因 (Etiopathogenisis) （一） Funnel chest is a congenital developmental abnormality,the cause of which is unsure but assume that there is a genetic component for at least some of the cases. Approximately 10%-20% of individuals with PE have a first degree family member with the condition
()Relevant theories of pathogenesis: >Overgrowth of Lower thoracic costal cartilage. Shortage of central tendon of diaphragm. Long-term inspiratory dyspnea. （三)Pe is irrelevant to calcium deficiency 缺扔！
（二）Relevant theories of pathogenesis： ➢ Overgrowth of Lower thoracic costal cartilage. ➢ Shortage of central tendon of diaphragm. ➢ Long-term inspiratorydyspnea. （三）PE is irrelevant to calcium deficiency