Nagata S
Department of Reconstructive Plastic Surgery, Tokyo Senbai Hospital, Japan.
Plast Reconstr Surg. 1994 Feb;93(2):231-42; discussion 267-8.
Among the microtic disorders, those with the remnant ear, ear lobule, concha, acoustic meatus, tragus, and incisura intertragica are classified as concha-type microtia. From these characteristic factors, concha-type microtia has been thought to be a milder form of microtic disorder in comparison with lobule-type microtia. The constructed modified three-dimensional costal cartilage framework is grafted to the superior portion of the auricle and fixed to the inferior remnant cartilage of the auricle (conchal portion). This may appear to be a simple procedure in comparison with the other microtic disorders, but it is extremely difficult to fix the modified three-dimensional framework to the remnant auricular cartilage so that a smooth configuration is attained at the seam. In this paper, the modification stages for total reconstruction of the auricle for concha-type microtia are discussed.
在小耳畸形中，那些保留有残余耳、耳垂、耳甲、外耳道、耳屏和耳屏间切迹的被归类为耳甲腔型小耳畸形。基于这些特征因素，与耳垂型小耳畸形相比，耳甲腔型小耳畸形被认为是小耳畸形中较轻的一种形式。构建的改良三维肋软骨支架被移植到耳廓上部，并固定于耳廓的下部残余软骨（耳甲腔部分）。与其他小耳畸形相比，这可能看似是一个简单的手术，但要将改良三维支架固定到残余耳廓软骨上，从而在缝合处获得平滑的形态极其困难。本文讨论了耳甲腔型小耳畸形耳廓全再造的改良阶段。
