目的应用多层螺旋CT和Advantage Windows 4.6影像工作站对改良Lothrop术式额窦引流通道进行影像学分析研究。方法采用16层螺旋CT对100例成人的额窦引流通道行水平位薄层扫描后用Advantage Windows 4.6影像工作站模拟改良Iothrop术式,进...目的应用多层螺旋CT和Advantage Windows 4.6影像工作站对改良Lothrop术式额窦引流通道进行影像学分析研究。方法采用16层螺旋CT对100例成人的额窦引流通道行水平位薄层扫描后用Advantage Windows 4.6影像工作站模拟改良Iothrop术式,进行冠状位、矢状位重建,观察和测量单侧额窦引流通道的左右径、前后径以及该术式术野能达到的引流通道的左右径及前后径。结果单侧额窦口前后径:两侧平均值(6.93±2.09)mm;两侧额窦贯通后术野前界达额鼻嵴皮下软组织,术野空间预期前后径:(10.26±2.38)mm;单侧额窦口左右径:两侧平均值(6.87±2.16)mm;两侧额窦贯通后的术野空间预期左右径:(21.6±2.55)mm。单侧额窦引流通道与改良的Lothrop术式引流通道前后径、左右径经配对t检验,差异有统计学意义(P<0.05)。结论改良Lothrop术式额窦引流通道明显拓宽了单侧额窦引流通道的术野,宽大的额窦引流通道是解决额窦炎术后复发的基本保障。展开更多
The DrafⅢprocedure involves the creation of a common frontal sinus cavity.The most common indication for the DrafⅢprocedure is chronic rhinosinusitis of the frontal sinuses despite the failure of more conservative i...The DrafⅢprocedure involves the creation of a common frontal sinus cavity.The most common indication for the DrafⅢprocedure is chronic rhinosinusitis of the frontal sinuses despite the failure of more conservative interventions such as bilateral DrafⅡa procedures.Primary DrafⅢmay be indicated in patients with a high risk of failures such as those with severe polyposis and those with a frontal sinus opening less than 4 mm on computed tomography imaging.Other indications for the DrafⅢinclude access for tumor removal and repair of traumatic fractures of the frontal sinus.The"inside-out"DrafⅢprocedure is the standard approach when the frontal recess anterior-posterior diameter is wide enough for instrument access,usually larger than 4-5 mm.The"outside-in"DrafⅢprocedure can be done when the frontal recess is too narrow to safely accommodate instruments.Regular follow-up with debridement should be done to prevent neo-ostium stenosis.展开更多
文摘目的应用多层螺旋CT和Advantage Windows 4.6影像工作站对改良Lothrop术式额窦引流通道进行影像学分析研究。方法采用16层螺旋CT对100例成人的额窦引流通道行水平位薄层扫描后用Advantage Windows 4.6影像工作站模拟改良Iothrop术式,进行冠状位、矢状位重建,观察和测量单侧额窦引流通道的左右径、前后径以及该术式术野能达到的引流通道的左右径及前后径。结果单侧额窦口前后径:两侧平均值(6.93±2.09)mm;两侧额窦贯通后术野前界达额鼻嵴皮下软组织,术野空间预期前后径:(10.26±2.38)mm;单侧额窦口左右径:两侧平均值(6.87±2.16)mm;两侧额窦贯通后的术野空间预期左右径:(21.6±2.55)mm。单侧额窦引流通道与改良的Lothrop术式引流通道前后径、左右径经配对t检验,差异有统计学意义(P<0.05)。结论改良Lothrop术式额窦引流通道明显拓宽了单侧额窦引流通道的术野,宽大的额窦引流通道是解决额窦炎术后复发的基本保障。
文摘The DrafⅢprocedure involves the creation of a common frontal sinus cavity.The most common indication for the DrafⅢprocedure is chronic rhinosinusitis of the frontal sinuses despite the failure of more conservative interventions such as bilateral DrafⅡa procedures.Primary DrafⅢmay be indicated in patients with a high risk of failures such as those with severe polyposis and those with a frontal sinus opening less than 4 mm on computed tomography imaging.Other indications for the DrafⅢinclude access for tumor removal and repair of traumatic fractures of the frontal sinus.The"inside-out"DrafⅢprocedure is the standard approach when the frontal recess anterior-posterior diameter is wide enough for instrument access,usually larger than 4-5 mm.The"outside-in"DrafⅢprocedure can be done when the frontal recess is too narrow to safely accommodate instruments.Regular follow-up with debridement should be done to prevent neo-ostium stenosis.
