The congenital lumbosacral anomalies include spondylolisthesis, sacralization, lumbarization, spina .bifida and others, and it has been reprted in the relevant literature that low back pain does not necessary to be complicated with these congenial anomalies of lumbo-sacral region. The incidence of this congenital anomalies in this country seems to be as rare as that other literatures.
27 cases of congenital lumbosacral anomalies treated at the Department of Orthopedic Surgery National Medical Center through the year of 1958 to 1969 were analyzed and reported in this paper.
1. Out of 27 cases, eight cases were sacralization, five were lumbarization, 11 were spondylolisthesis and three were spondylolysis.
2. Nine were treated by operation anb 18 were treated without operation. Out of nine operations, six cases were operated by transversectomy, among them sacralization and lumbarization were three respectively, and three cases were operated by anterior lumbo-sacral fusion in spondylolithesis.
3. The result of the cases treated by operation was superior to the result of the cases treated without operation in this series. Eight cases out of nine had good results in the group of operation, while five cases out of 18 had good results in the group of without operation.
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