目的通过CT研究低位筛前动脉(low-lying anterior ethmoidal artery,LAEA)与周围结构的解剖影像学关系,明确其定位,避免术中损伤。方法回顾研究2018年5月~2021年5月于上海交通大学医学院附属第六人民医院确诊的126例慢性鼻窦炎(chronic ...目的通过CT研究低位筛前动脉(low-lying anterior ethmoidal artery,LAEA)与周围结构的解剖影像学关系,明确其定位,避免术中损伤。方法回顾研究2018年5月~2021年5月于上海交通大学医学院附属第六人民医院确诊的126例慢性鼻窦炎(chronic rhinosinusitis,CRS)患者,所有患者均行鼻窦CT检查,通过Horos软件重建,测量筛前动脉(anterior ethmoidal artery,AEA)与颅底的距离、额窦前壁到颅底水平部与垂直部相交点的最大水平距离(longest horizontal diameter from the anterior wall of the frontal sinus to the skull base at which point the slope turns vertical to horizontal,APF)、包含LAEA的骨板与颅底向前的夹角(forward angle between the lamella containing the low anterior ethmoid artery and the skull base,FALS),测量筛板外侧板(lateral lamella of the cribriform plate,LLCP)高度并按Keros分型分类,按国际额窦解剖分类方法(international frontal sinus anatomy classification,IFAC)定义患者气房类型。t检验、χ^(2)检验做差异性分析,Spearman、Pearson分析比较其相关性。结果在126例(252侧)患者中,有、无眶上筛房(supraorbital ethmoid cell,SOEC)及有、无筛泡上气房(supra bulla cell,SBC)患者的AEA低位走行率比较,差异均有统计学意义(χ^(2)=141.40,P<0.001;χ^(2)=138.05,P<0.001);KerosⅠ型、Ⅱ型、Ⅲ型与LAEA分别呈负相关(r=-0.592,P<0.001)、正相关(r=0.531,P<0.001)、正相关(r=0.172,P<0.001);LAEA与颅底之间的距离和APF之间呈正相关(r=0.25,P<0.001);当存在SOEC、SBC,KerosⅡ型、KerosⅢ型及更大的APF,AEA低位走行率明显升高。在FALS中,91.5%为锐角,7.8%为直角,0.7%为钝角。结论SOEC、SBC、高级别Keros分型、APF长度及FALS是术前定位LAEA的可靠标志。通过术前阅片,明确其解剖关系,对于内镜手术时减少AEA损伤有重要临床意义。展开更多
目的 探讨术前解剖特征分类(preoperative aspects and dimensions used for an anatomical,PADUA)评分系统在T1期肾肿瘤术式选择中的应用价值. 方法 回顾性分析2010年1月至2012年12月122例行手术治疗的T1期肾肿瘤患者的临床资料.男84...目的 探讨术前解剖特征分类(preoperative aspects and dimensions used for an anatomical,PADUA)评分系统在T1期肾肿瘤术式选择中的应用价值. 方法 回顾性分析2010年1月至2012年12月122例行手术治疗的T1期肾肿瘤患者的临床资料.男84例,女38例.年龄21~81岁,平均51岁.体质指数(22.8±3.9) kg/m2.肿瘤位于左肾63例,右肾59例;直径为(3.6±1.3)cm.T1a期78例,T1b期44例.行保留肾单位手术77例,根治性肾切除术45例.T1a期患者中行保留肾单位手术56例,根治性肾切除术22例;T1b期行保留肾单位手术21例,根治性肾切除术23例.将患者术前CT检查的肾解剖学特征行PADUA系统评分,分析其与术式的关系. 结果 本组122例的PADUA评分低、中、高度复杂肿瘤分别为24、62、36例.在PADUA评分低、中、高复杂程度中根治性肾切除术例数分别为2例(8.3%)、19例(30.6%)、24例(66.7%),保留肾单位手术例数分别为22例(91.7%)、43例(69.4%)、12例(33.3%).77例保留肾单位手术中,PADUA评分低、中、高复杂程度的腹腔镜下手术分别为18、25、2例,开放手术分别为4、18、10例.不同PADUA评分程度下的保留肾单位手术和根治行肾切除术例数(x2 =23.16,P<0.01)及开放式和腹腔镜下保留肾单位手术例数(x2=13.57,P<0.01)比较差异均有统计学意义.PADUA评分中的肿瘤直径(HR=2.79;95% CI,1.29 ~6.02;P<0.01)、外凸率(HR=3.82;95%CI,1.77~8.09;P<0.01)、沿纵轴位置(HR=4.00; 95% CI,1.83~8.72;P<0.01)、与集合系统关系(HR=15.11;95% CI,5.95 ~ 38.35;P<0.01)、与肾窦关系(HR=103.13;95% CI,21.85 ~486.81;P<0.01)、内外侧(HR=3.50;95%CI,1.61~7.59;P<0.01)均与术式有相关性,其中肿瘤与肾窦关系的相关系数最高(r-0.70). 结论 PADUA评分系统对指导T1期肾肿瘤手术方式的选择有重要意义,低度复杂肿瘤首选保留肾单位手术,中度复杂肿瘤应尽可能行保留肾单位手术,但要结合单项解剖学特征进行个体化选择,高度复杂肿瘤应选择根治性肾切除术.展开更多
[Objective] To utilize the germplasm resources,new systematic evidence for the classification of sect.Paracamellia,genus Camellia is found in this article.[Method] Fruit anatomy of 10 species representing sect.Paracam...[Objective] To utilize the germplasm resources,new systematic evidence for the classification of sect.Paracamellia,genus Camellia is found in this article.[Method] Fruit anatomy of 10 species representing sect.Paracamellia was investigated.And the main component of sect.Paracamellia in the genus Camellia was studied by MVSP software.[Result] The exocarp was thin;mesocarp was broad,having a large number of stone cells;endocarp was lignified,and separated easily from seed.The principle components analysis suggested that the distance between species was far,showing far relation;the current study did not support the formation of Camellia grijsii(C.grijsii)and Camellia yuhsienensis(C.yuhsienensis),Camellia shensiensis(C.shensiensis)should not be recognized as a variety of C.yuhsienensis.In addition,it also proved Ming's combining of Camellia confusa(C.confusa)and Camellia kissi(C.kissi)was unnatural.[Conclusion] The study provided theoretical basis for the development and application of sect.Paracamellia in the genus Camellia.展开更多
文摘目的通过CT研究低位筛前动脉(low-lying anterior ethmoidal artery,LAEA)与周围结构的解剖影像学关系,明确其定位,避免术中损伤。方法回顾研究2018年5月~2021年5月于上海交通大学医学院附属第六人民医院确诊的126例慢性鼻窦炎(chronic rhinosinusitis,CRS)患者,所有患者均行鼻窦CT检查,通过Horos软件重建,测量筛前动脉(anterior ethmoidal artery,AEA)与颅底的距离、额窦前壁到颅底水平部与垂直部相交点的最大水平距离(longest horizontal diameter from the anterior wall of the frontal sinus to the skull base at which point the slope turns vertical to horizontal,APF)、包含LAEA的骨板与颅底向前的夹角(forward angle between the lamella containing the low anterior ethmoid artery and the skull base,FALS),测量筛板外侧板(lateral lamella of the cribriform plate,LLCP)高度并按Keros分型分类,按国际额窦解剖分类方法(international frontal sinus anatomy classification,IFAC)定义患者气房类型。t检验、χ^(2)检验做差异性分析,Spearman、Pearson分析比较其相关性。结果在126例(252侧)患者中,有、无眶上筛房(supraorbital ethmoid cell,SOEC)及有、无筛泡上气房(supra bulla cell,SBC)患者的AEA低位走行率比较,差异均有统计学意义(χ^(2)=141.40,P<0.001;χ^(2)=138.05,P<0.001);KerosⅠ型、Ⅱ型、Ⅲ型与LAEA分别呈负相关(r=-0.592,P<0.001)、正相关(r=0.531,P<0.001)、正相关(r=0.172,P<0.001);LAEA与颅底之间的距离和APF之间呈正相关(r=0.25,P<0.001);当存在SOEC、SBC,KerosⅡ型、KerosⅢ型及更大的APF,AEA低位走行率明显升高。在FALS中,91.5%为锐角,7.8%为直角,0.7%为钝角。结论SOEC、SBC、高级别Keros分型、APF长度及FALS是术前定位LAEA的可靠标志。通过术前阅片,明确其解剖关系,对于内镜手术时减少AEA损伤有重要临床意义。
基金Supported by General Program of Jinhua City Science and Technology Bureau(2009-2-020)~~
文摘[Objective] To utilize the germplasm resources,new systematic evidence for the classification of sect.Paracamellia,genus Camellia is found in this article.[Method] Fruit anatomy of 10 species representing sect.Paracamellia was investigated.And the main component of sect.Paracamellia in the genus Camellia was studied by MVSP software.[Result] The exocarp was thin;mesocarp was broad,having a large number of stone cells;endocarp was lignified,and separated easily from seed.The principle components analysis suggested that the distance between species was far,showing far relation;the current study did not support the formation of Camellia grijsii(C.grijsii)and Camellia yuhsienensis(C.yuhsienensis),Camellia shensiensis(C.shensiensis)should not be recognized as a variety of C.yuhsienensis.In addition,it also proved Ming's combining of Camellia confusa(C.confusa)and Camellia kissi(C.kissi)was unnatural.[Conclusion] The study provided theoretical basis for the development and application of sect.Paracamellia in the genus Camellia.