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배철,김병수,Bae, C.,Kim, B.S. 대한영상의학회 1977 대한영상의학회지 Vol.13 No.1
There were a number of factors which influenced bone maturation and recently, the patterns and sequence of the times of ossifications were not similar with previous reports. So the author studied statistically the bone age of total 1092 children, by the roentgenograms of wrist, elbow, and foot, who had visited B.N.U. Hospital during 5 years dating from March, 1971 to March, 1976. The results obtained are summarized as follows: 1. The numbers of children, aged from 5 to 8 years old, were 853(80.2%) among total 1092 cases. The ratio between male and female children was about 1 : 1. 2. Some variations were observed in the time of appearance of each carpal bone in these age groups, but constantly visualized bones were capitate, hamate, triangular bones. 3. As compared with previous reports in Korea, 3-4 months were shortened at the view points of carpal bone ossification. But still noted delayed visualization as compared with that of American children more than one year. 4. The ag difference between chronological and bone age became pronounced as growing old in this age groups. 5. The sex difference of the time of appearance of ossification centers was less pronounced as compared with previous reports.