Aging on X-ray film of bone.

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The authors have been tried to study aging changes on X-ray films which were collected randomly from some clinics except for the orthopaedic clinic in our university hospital. Four items, that is, spur formation, narrowing, subchondral sclerosis and osteoporosis, in each bone were checked always by two doctors of the authors and numerical expression, which was classified as follows, no changes; O, some changes; 1, and prominent changes; 2, of each item was summed up in each bone. In each decade, these summed-up numbers were divided by numbers of patients in each bone.Of these data, correlations between these numerical data and ages in lumbar spines were reported and discussed in this paper.Of total 1274 films on the acromio-clavicular joints, the sacro-iliac joints, the lumbar spines and the hip joints, 226 films of lumber spines were studied and analyzed. Prominent aging changes were detected in lower lumbar spines of both sexes after the fifth decade. On the other hand, osteoporotic changes were remarkable after the sixth decade of female.These methods studying for aging are concluded as useful maneuvers.
西日本整形・災害外科学会の論文