Result of operative treatment for 100 cases of herniated disc in the lumbar spine treated in the years 1959 through 1968 were reviewed and analyzed.
1. Of the 100 cases 86 were found in the age of 20 to 50 years and the frequency was higher in male than in female as 64 males and 36 females.
2. Sixty eight cases had, predisposing trauma before they stated to have one or more symptoms, and 32` cases had no history of trauma.
3. Forty five cases had symptoms for more than one year and 31 cases had symptoms for less than six months before the operation.
4. Plain X-ray and myelogram were taken in all the cases. Among them 72 cases showed narrowing of the intervertebral space in plain X-ray, while 91 cases showed indentation on the corresponding space by myelogram.
5. Archotomy alone was performed in six cases and total removal of degenerated disc material was performed in addition to archotomy in 94 cases.
6. Seventy five cases had hospitalization within ´two weeks, while 24 cases had three to four weeks
hospitalization after operation.
7. Observation time after operation was within six months in 85 cases and seven months to two years in 14 cases, and one had more than two years observation.
8.. Result of the treatment was assessed according to Murphey´ s scheme, and 53 cases had excellent, 19 cases had good, 14 cases had fair and 14 cases had poor results.
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