[The application septonasal bidirectional mucoperiosteal flap in treatment of refractory choanal atresia in adults].

Abstract

OBJECTIVE To explore the effects of septonasal bidirectional mucoperiosteal flap in the treatment of refractory choanal atresia in adults. METHOD Analysis of 9 cases for choanal atresia was conducted. Two cases were of congenital origin and 7 cases of acquired origin, which was a complication of radiotherapy for nasopharyngeal carcinoma. The patients… (More)

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