Relationship between the weight of resected disc and radiological changes of the lumbar spine.

概要

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From May 1977 to March 1982, 81 cases of lumbar disc herniation were operated with Love's method in Isahaya General Hospital. In these operations it was intended to resect the degenerated disc as much as posible.This paper reports the radiological changes resulted from resection of the lumbar disc, especially paying attention to the narrowing of the intervertebral space and decrease of the mobility in lumber spine in relation to the weight of resected disc.As the weight of resected disc increased the intervertebral space narrowed, however the mobility of lumbar spine operated was independent on the weight of resected disc.In conclusion, it is not always necessary for Love's operation to combine with postero-lateral fusion, as the narrowing of the intervertebral space centributed to the stability of the spine.