Width of the articular cartilage of the hip: quantification by using fat-suppression spin-echo MR imaging in cadavers.
Width of the articular cartilage of the hip: quantification by using fat-suppression spin-echo MR imaging in cadavers.
复制标题
髋关节软骨的宽度：使用尸体脂肪抑制旋转回波 MR 成像进行量化。
DOI：
10.2214/ajr.159.2.1632354
复制
发表时间：
1992
期刊：
影响因子：
--
通讯作者：
Donald Resnick
中科院分区：
文献类型：
--
作者：
Jürg Hodler;D. Trudell;Mini N. Pathria;Donald Resnick
目的
使用磁共振成像来测量关节软骨的宽度还没有得到彻底的研究。在尸体上研究了选择性脂肪抑制自旋回波序列在髋关节软骨定量评估中的价值。
材料和方法
在10个尸体髋关节（死亡时年龄范围为62-81岁）中采集了头颅和冠状面图像。在最靠近股骨头中心的冠状和矢状MR图像上，每隔30度放置标记，股骨头的中点用作参考。在123个位置测量了软骨厚度。63个位置包括股骨和髋臼软骨，60个位置包括股骨软骨而没有髋臼对应物。并与相应的解剖切片进行比较。
结果
对于仅包含股骨软骨的60个位置，发现MR和解剖切片之间存在显著相关性（Pearson相关系数= 0.34，p = 0.0089）。在63个同时含有股骨和髋臼软骨的位置中，50个位置的MRI图像可以区分两个软骨层。在这50例患者中，股骨软骨的MR和解剖学测量值显著相关（r = 0.58，p小于或等于0.0001）。在这50个位置的髋臼软骨的测量没有产生显著的相关性（r = 0.25，p = 0.08）。当在所有63个位置测量整个软骨（股骨加髋臼）时，MR和解剖测量值之间的相关性为0.29（p = 0.02）。在这项调查中获得的相关系数表明相当分散的数据。
结论
我们的研究结果表明，测量髋关节软骨厚度的脂肪抑制自旋回波磁共振图像是不够准确的临床价值。
OBJECTIVE
Use of MR imaging to measure the width of the articular cartilage has not been thoroughly investigated. The value of a selective fat-suppression spin-echo sequence in the quantitative assessment of articular cartilage of the hip was studied in cadavers.
MATERIALS AND METHODS
Sagittal and coronal images were acquired in 10 cadaveric hips (age range at time of death, 62-81 years). On the coronal and sagittal MR images that were closest to the center of the femoral head, marks were placed every 30 degrees, with the midpoint of the femoral head used as a reference. Cartilage thickness was measured in 123 resulting locations. Sixty-three positions included both femoral and acetabular cartilages, and 60 positions included femoral cartilage without an acetabular counterpart. The findings were compared with corresponding anatomic sections.
RESULTS
For the 60 locations containing only femoral cartilage, significant correlation between MR and anatomic sections was found (Pearson correlation coefficient = .34, p = .0089). Of the 63 locations containing both femoral and acetabular cartilages, the two cartilage layers could be differentiated on the MR images in 50 locations. In these 50, the MR and anatomic measurements of the femoral cartilage correlated significant (r = .58, p less than or equal to .0001). Measurements of the acetabular cartilage in these 50 locations yielded no significant correlation (r = .25, p = .08). When the entire cartilage (femoral plus acetabular) was measured in all 63 locations, the correlation between MR and anatomic measurements was .29 (p = .02). The correlation coefficients obtained in this investigation indicate considerable scattering of the data.
CONCLUSION
Our results show that measurements of articular cartilage thickness of the hip on fat-suppression spin-echo MR images are not sufficiently accurate to be of clinical value.