cranialfossa;willgofthelateralskullbaseandeventhesame;Palatesheathandnasopharyngealeventhesame;Daguanthepalateandsmallpalateofthesameevenwiththemouth.Oncoronalplane,foramenrotundumdemonstratedasaring-like5安徽医科大学硕士学位论文shadow,ountedfor96%(192/200),ountedfor4%(8/200).Thepterygoidcanalwascircularorovalshape,thepterygoidcanalbeneathtotally-separatedsphenoidalsinuswasseenin67%(134/200)ofcase,whilewithinthesphenoidalsinusin33%(66/200),lackofsuperiorroofofthecanalwasonlyseenin3%(6/200).pletelyabovethemiddleturbinateback-ountedfor75%(150/200),dividedintwobythemiddleturbinateback-ountedfor25%(50/200),pletelyundermiddleturbinateback-end.binedwithMPRcoronalandsagittalimagescouldintuitive,munications.Itisimportanttoimprovetheabilityofclinicaldiagnosisandsurgicalplan.KeywordsPPF;HRCT;MPR;Imaginganatomy6
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