科研之友
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摘要
Sphenochoanal polyps originate from within the sphenoid sinus and extend into the choana. There are a few descriptions in the literature of an isolated choanal polyp arising from the external face of the sphenoid. These spheno-ostio-choanal polyps occur in the setting of an otherwise normal sphenoid sinus; they are a curious entity.
- 出版日期2010-8
