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- W2394268568 abstract "【Objective】To explore the feasibility and safety of endonasal trans-middle nasal meatus transpalatinal approach to the pterygopalatine fossa and to establish a safe surgical model by identifying the reliable anatomical landmark during the procedure.【Methods】The Messerklinger procedure was performed to open the anterior and posterior ethmoid sinus in 8 adult head specimens.The ostium of maxillary sinus was identified and enlarged.The sphenopalatine foramen and artery were found posterior to the ethmoidal crest.The vascular and neural structures in the pterygopalatine fossa were dissected by following the sphenopalatine artery.【Results】The sphenopalatine artery was observed to emerge from the sphenopalatine foramen posterior to the ethmoidal crest.By following this artery,the internal maxillary artery and its branches were identified.After ligation and posterior-lateral shift of the sphenopalatine artery,the typical structure of Yshape was seen which was composed of the pterygopalatine ganglion,the branch of the maxillary nerve,vidian nerve and the greater palatine nerve.The vidian canal,round foramen and inferior orbital nerve could be tracked by following the Ystructure and well preserved.【Conclusion】 The endonasal trans-middle nasal meatus transpalatinal approach to the pterygopalatine fossa is safe.The ethmoidal crest,the sphenopalatine foramen and the Yshape structure centered by the pterygopalatine ganglion are reliable anatomical landmarks during the surgical procedure." @default.
- W2394268568 created "2016-06-24" @default.
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- W2394268568 date "2009-01-01" @default.
- W2394268568 modified "2023-09-23" @default.
- W2394268568 title "Research of endonasal trans-middle nasal meatus approach to the pterygopalatine fossa" @default.
- W2394268568 hasPublicationYear "2009" @default.
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