Objective To explore the regularity invading adjacent tissue of pyriformsinuscarcinoma.
目的探讨梨状窝癌侵犯邻近组织的规律。
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Conclusions Intralaryngeal invasion of pyriformsinuscarcinoma arose through paraglottic space first.
结论梨状窝癌对喉内的侵犯首先通过声门旁间隙；
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Methods The whole organ serial section of 68 total or partial laryngectomy and hypopharyngectomy specimen of pyriformsinuscarcinoma were histopathologically studied.