Eckstein F, Müller-Gerbl M, Putz R
Anatomische Anstalt, Ludwig-Maximilians-Universität München, Germany.
J Anat. 1992 Jun;180 ( Pt 3)(Pt 3):425-33.
Subchondral bone density (by means of CT osteoabsorptiometry), and cartilage thickness (directly measured on photocopies of frozen sections), were examined in 30 human patellae, with an age range from 47 to 90 y. A surface demonstration of the distribution was prepared, and representative pictures produced by summation with a computer. Subchondral bone-density maxima were found in the proximal part of the lateral facet, and the density pattern interpreted as the expression of the long-term distribution of stress in the joint. It is reasonable to assume that cartilage thickness, of which two-thirds of the maximum values occupy a lateral position, is also dependent on the local stress. The 2 distributions show correlation coefficients > 0.5 in approximately a third of the cases we examined. Displacement of the higher values of cartilage thickness relative to the subchondral density maxima is attributed to incongruence in the medial part of the joint.
对30例年龄在47至90岁之间的人髌骨进行了软骨下骨密度（通过CT骨吸收测量法）和软骨厚度（直接在冰冻切片的复印件上测量）检查。制备了分布的表面演示，并通过计算机求和生成了代表性图片。软骨下骨密度最大值出现在外侧小面的近端，密度模式被解释为关节中长期应力分布的表现。可以合理地假设，软骨厚度最大值的三分之二处于外侧位置，它也取决于局部应力。在我们检查的大约三分之一的病例中，这两种分布的相关系数>0.5。软骨厚度较高值相对于软骨下密度最大值的位移归因于关节内侧部分的不一致。
