放射学实践
放射學實踐
방사학실천
RADIOLOGIC PRACTICE
2014年
4期
428-432
,共5页
膝关节%髌骨%Hoffa病%运动轨迹%磁共振成像
膝關節%髕骨%Hoffa病%運動軌跡%磁共振成像
슬관절%빈골%Hoffa병%운동궤적%자공진성상
Knee joint%Patellar%Hoffa disease%Moving track%Magnetic resonance imaging
目的:探讨Hoffa病与髌骨运动轨迹异常的相关性。方法:回顾性分析46例经MRI证实为髌下脂肪垫水肿的 Hoffa病患者(病例组)及28例健康体检者(对照组)的MRI及临床资料。病例组中11例行关节镜治疗及病理学检查。在 MRI图像上测量5个髌骨运动轨迹参数,包括股骨滑车深度、股骨滑车与胫骨结节的水平距离(TTTG)、髌骨外移度、外侧髌股角(PFA)和Insall-Salvati指数。对这5个指标在病例组和正常组间的差异进行统计学分析。结果:Hoffa 病的髌下脂肪垫水肿在脂肪抑制T2 WI及PDWI序列上显示清晰,均呈高信号改变。病例组及对照组股骨滑车与胫骨结节的距离(TTTG)、外侧髌股角(PFA)和Insall-Salvati指数间的差异有统计学意义(Z值分别为-2.523、-2.261和-2.812, P值均<0.05),两组间滑车深度及髌骨外移度的差异无统计学意义(Z值分别为-1.025和-0.111,P值均>0.05)。病例组内出现髌骨外移度(>3mm)、外侧髌股角(PFA≤0°)和Insall-Salvati 指数(>1.2)异常者较对照组多,两组间差异有统计学意义(χ2值分别为6.917、5.572和9.582,P值均<0.05)。结论:Hoffa 病的主要 MRI 表现为髌下脂肪垫水肿, MRI是本病的首选检查方法;Hoffa病与髌骨运动轨迹异常间有相关性。
目的:探討Hoffa病與髕骨運動軌跡異常的相關性。方法:迴顧性分析46例經MRI證實為髕下脂肪墊水腫的 Hoffa病患者(病例組)及28例健康體檢者(對照組)的MRI及臨床資料。病例組中11例行關節鏡治療及病理學檢查。在 MRI圖像上測量5箇髕骨運動軌跡參數,包括股骨滑車深度、股骨滑車與脛骨結節的水平距離(TTTG)、髕骨外移度、外側髕股角(PFA)和Insall-Salvati指數。對這5箇指標在病例組和正常組間的差異進行統計學分析。結果:Hoffa 病的髕下脂肪墊水腫在脂肪抑製T2 WI及PDWI序列上顯示清晰,均呈高信號改變。病例組及對照組股骨滑車與脛骨結節的距離(TTTG)、外側髕股角(PFA)和Insall-Salvati指數間的差異有統計學意義(Z值分彆為-2.523、-2.261和-2.812, P值均<0.05),兩組間滑車深度及髕骨外移度的差異無統計學意義(Z值分彆為-1.025和-0.111,P值均>0.05)。病例組內齣現髕骨外移度(>3mm)、外側髕股角(PFA≤0°)和Insall-Salvati 指數(>1.2)異常者較對照組多,兩組間差異有統計學意義(χ2值分彆為6.917、5.572和9.582,P值均<0.05)。結論:Hoffa 病的主要 MRI 錶現為髕下脂肪墊水腫, MRI是本病的首選檢查方法;Hoffa病與髕骨運動軌跡異常間有相關性。
목적:탐토Hoffa병여빈골운동궤적이상적상관성。방법:회고성분석46례경MRI증실위빈하지방점수종적 Hoffa병환자(병례조)급28례건강체검자(대조조)적MRI급림상자료。병례조중11례행관절경치료급병이학검사。재 MRI도상상측량5개빈골운동궤적삼수,포괄고골활차심도、고골활차여경골결절적수평거리(TTTG)、빈골외이도、외측빈고각(PFA)화Insall-Salvati지수。대저5개지표재병례조화정상조간적차이진행통계학분석。결과:Hoffa 병적빈하지방점수종재지방억제T2 WI급PDWI서렬상현시청석,균정고신호개변。병례조급대조조고골활차여경골결절적거리(TTTG)、외측빈고각(PFA)화Insall-Salvati지수간적차이유통계학의의(Z치분별위-2.523、-2.261화-2.812, P치균<0.05),량조간활차심도급빈골외이도적차이무통계학의의(Z치분별위-1.025화-0.111,P치균>0.05)。병례조내출현빈골외이도(>3mm)、외측빈고각(PFA≤0°)화Insall-Salvati 지수(>1.2)이상자교대조조다,량조간차이유통계학의의(χ2치분별위6.917、5.572화9.582,P치균<0.05)。결론:Hoffa 병적주요 MRI 표현위빈하지방점수종, MRI시본병적수선검사방법;Hoffa병여빈골운동궤적이상간유상관성。
Objective:To investigate the correlation between Hoffa disease and patellar maltracking by MRI.Methods:The clinical and MRI data of 46 cases with Hoffa disease (patient group)and 28 healthy volunteers (contrast group)were retrospectively analyzed.In patient group,11 cases were performed arthroscopic treatment and pathological examination.On MRI images,the five patellar maltracking parameters were measured,including trochlear depth,tibial tuberosity-trochlear groove distance (TTTG),patellar translation,patellofemoral angle (PFA)and the Insall-Salvati index.The difference of these five parameters in patient group and contrast group were analyzed statistically.Results:The infrapatellar fat pad of Hoffa disease was showed clearly with hyperintensity on fat suppression T2 WI and PDWI.There was a statistical difference in the TTTG,PFA and Insall-Salvati index between the two groups (Z= -2.523,-2.261 and -2.812 respectively,P<0.05),and the difference of trochlear depth and patellar translation of two groups was not statistically significant (Z=-1.025 and -0.111 respectively,P>0.05).There was a higher prevalence of abnormal patellar translation(>3mm),pa-tellofemoral angle (PFA≤0°)and Insall-Salvati index (>1.2)in the patient group (χ2= 6.917,5.572 and 9.582 respec-tively,P<0.05).Conclusion:MRI is the first choice for diagnosis of Hoffa disease with the imaging features of infrapatellar fat pad oedema.Hoffa disease is correlated with patellar maltracking.