用显微镜确定骨龄的初步研究

作者对在广西地区收集的年龄从5岁至86岁的35副完整骨骼的右股骨中点横断磨片的骨单位数、骨间板数、非哈弗氏管数及外环骨板平均相对厚度进行了观测和计算。这些指标与年龄之间均存在非常显著的相关,并建立了相应的回归方程。这些回归方程的估计年龄与实际年龄的误差在±5岁以内的,达80％左右;在±10岁以内的,达90％左右。与用Kerley法所作的对比检验表明,本文方法较适用于国人材料。

PRELIMINARY STUDY ON DETERMINATION OF BONE AGE BY MICROSCOPIC METHOD

The histological age changes that occur in the cortex of human long bones were measured by counting the number of osteon, osteon fragments, non-Haversian canal and the average of the relative thickness of lamellae in four selected 100 power visual fields in the peripheral part of the cortex in ground cross sections of the mid-shaft of the femur. Bar charts of age and bi-logarithmic line charts of age were derived from 35 specimens covering an age range from 5 years through 86 years. Significant correlations were found between the actual age and estimated age. About 80% of the estimated ages calculated from the regression formulas derived from these factors are within ±5 years of the actual ages and nearly 90% are within ±10 years of the actual ages. Synthetic method is used to estimate age by data of all of the 4 items. When this method was checked on 24 specimens, about 80% of the estimates fall within ±5 years of actual ages, the results are better than those by Kerley's method for Chinese specimens.