大连医科大学学报
大連醫科大學學報
대련의과대학학보
JOURNAL OF DALIAN MEDICAL UNIVERSITY
2015年
3期
289-292
,共4页
陈靖%郑邵微%苗延巍%刘爱连%刘义军
陳靖%鄭邵微%苗延巍%劉愛連%劉義軍
진정%정소미%묘연외%류애련%류의군
计算机断层成像%钙(水)密度%能谱成像%腰椎
計算機斷層成像%鈣(水)密度%能譜成像%腰椎
계산궤단층성상%개(수)밀도%능보성상%요추
computed tomography( CT)%calcium ( water) density%GSI%lumbar vertebra
目的:探讨受检者腰椎椎体内不同感兴趣区(ROI)的骨密度差异和L1~3椎体在不同年龄段间的骨密度差异,来完善能谱CT定量钙(水)密度技术在腰椎测量方面的方法,并了解各腰椎椎体骨密度随年龄变化的差异。方法筛选2013年1月—2014年12月期间行腰椎CT能谱GSI扫描的男性237例,按10岁为一个年龄段分为6组。由两位放射医师分别测量L1~3椎体上中下3个层面的钙(水)密度,应用方差分析组内差异;同时分别计算L1~3椎在不同年龄段的平均值,应用方差分析每个年龄段各椎体骨密度的组间差异。结果 L1~3椎体上中下3个层面骨密度分别为(mg/mL):L1:54.94±8.82,58.22±6.19,59.92±5.78;L2:55.38±7.67,56.66±8.48,60.23±6.80;L3:54.67±7.69,55.89±5.78,58.75±4.83;每个椎体内3个层面间比较,差异均有显著性意义,腰椎最上层面密度最低。50~59岁和60~69岁年龄段L3椎体骨密度(54.26±6.14) mg/mL,(45.2±9.88) mg/mL低于L1、2椎体骨密度为(57.24±6.93)mg/mL,(48.16±10.36)mg/mL,L2为(55.82±7.65)mg/mL,(47.81±10.23)mg/mL,70~79岁L1~3椎各椎体骨密度均略有回升。结论腰椎椎体内骨密度存在区域性差异,L3椎体可以作为老年骨质疏松筛查的首选椎体。
目的:探討受檢者腰椎椎體內不同感興趣區(ROI)的骨密度差異和L1~3椎體在不同年齡段間的骨密度差異,來完善能譜CT定量鈣(水)密度技術在腰椎測量方麵的方法,併瞭解各腰椎椎體骨密度隨年齡變化的差異。方法篩選2013年1月—2014年12月期間行腰椎CT能譜GSI掃描的男性237例,按10歲為一箇年齡段分為6組。由兩位放射醫師分彆測量L1~3椎體上中下3箇層麵的鈣(水)密度,應用方差分析組內差異;同時分彆計算L1~3椎在不同年齡段的平均值,應用方差分析每箇年齡段各椎體骨密度的組間差異。結果 L1~3椎體上中下3箇層麵骨密度分彆為(mg/mL):L1:54.94±8.82,58.22±6.19,59.92±5.78;L2:55.38±7.67,56.66±8.48,60.23±6.80;L3:54.67±7.69,55.89±5.78,58.75±4.83;每箇椎體內3箇層麵間比較,差異均有顯著性意義,腰椎最上層麵密度最低。50~59歲和60~69歲年齡段L3椎體骨密度(54.26±6.14) mg/mL,(45.2±9.88) mg/mL低于L1、2椎體骨密度為(57.24±6.93)mg/mL,(48.16±10.36)mg/mL,L2為(55.82±7.65)mg/mL,(47.81±10.23)mg/mL,70~79歲L1~3椎各椎體骨密度均略有迴升。結論腰椎椎體內骨密度存在區域性差異,L3椎體可以作為老年骨質疏鬆篩查的首選椎體。
목적:탐토수검자요추추체내불동감흥취구(ROI)적골밀도차이화L1~3추체재불동년령단간적골밀도차이,래완선능보CT정량개(수)밀도기술재요추측량방면적방법,병료해각요추추체골밀도수년령변화적차이。방법사선2013년1월—2014년12월기간행요추CT능보GSI소묘적남성237례,안10세위일개년령단분위6조。유량위방사의사분별측량L1~3추체상중하3개층면적개(수)밀도,응용방차분석조내차이;동시분별계산L1~3추재불동년령단적평균치,응용방차분석매개년령단각추체골밀도적조간차이。결과 L1~3추체상중하3개층면골밀도분별위(mg/mL):L1:54.94±8.82,58.22±6.19,59.92±5.78;L2:55.38±7.67,56.66±8.48,60.23±6.80;L3:54.67±7.69,55.89±5.78,58.75±4.83;매개추체내3개층면간비교,차이균유현저성의의,요추최상층면밀도최저。50~59세화60~69세년령단L3추체골밀도(54.26±6.14) mg/mL,(45.2±9.88) mg/mL저우L1、2추체골밀도위(57.24±6.93)mg/mL,(48.16±10.36)mg/mL,L2위(55.82±7.65)mg/mL,(47.81±10.23)mg/mL,70~79세L1~3추각추체골밀도균략유회승。결론요추추체내골밀도존재구역성차이,L3추체가이작위노년골질소송사사적수선추체。
Objective To discuss calcium (water) density [DCa(Wa)] variation of the same lumbar vertebral body (L1, L2 and L3) in different levels and evaluate correlation between L1-3 DCa(Wa) and age by gemstone spectral imaging(GSI). Methods This study included 237 male patients who underwent spinal GSI examination with spectral CT ( Discovery CT 750HD, GE).They had no trauma, surgery, tumor or other diseases affecting bone mineral density (such as metabolic or endocrine diseases, chronic renal failure, diseases of the spine, etc) .All patients were divided into six groups according to age (20-29, 30-39, 40-49, 50-50, 60-69, over 70).All patients were measured the DCa(Wa) in L1-3 vertebral bodies of different levels by two radiologists.ANOVA study was used to analyze the variance within the vertebra of three levels and the variance among vertebra (L1 -L3) in different ages.Results In every vertebra (L1 -L3), the DCa(Wa) val-ues in three levels were statistically significant;the upper level of vertebra ( L1 -L3 ) was the lowest.In age 50-69 group, the L3 vertebral body DCa(Wa) was the lowest;in age 70-79 group, all vertebra (L1 -L3) DCa(Wa)values increased slightly. Conclusion There are DCa(Wa) value differences in vertebral body (L1 -L3).L3 vertebral body can be used as the preferred senile osteoporosis screening vertebral body.