Eighty-three cases of lumbar disc herniation in the teenager were clinically investigated, classifying into 8 cases under 15 years of age (A) and 75 cases over 16 years of age (B). Results were as follows:
1) Induced factors were more commonly encountered in A (50%) than in B (22.6%).
2) Low back pain as a chief complaint was more commonly found in B (98.7%) thann in A (62.5%). On the other hand, leg pain was more commonly seen in A (100%) than in B (89.3%).
3) As a whole, physical signs were more prominently encountered in A.
4) As a matter of course, disc degeneration and disc narrowiing progressed with aging.
5) Postoperative course was mostly satisfactory and accounted for “excellent” (77.7%), “good” (5.6%), “fair” (11.2%) and “poor” (5.6%). Particularly in A, all cases were excellent.