[CT-scanning of the lumbar spine (author's transl)].

Computertomography of the lumbar spine shows exactly shape and size of the spinal canal. CAT of Patient with chronic nerve root compression syndrom revealed mostly bony narrowness of the intervetebral notch, - foraminal entrapment -, and thickening of the laminae - laminar compression -. Following alterations were vissible by CT scanning Bony entrapment of the notch by degenerative hypertrophy of the facets. Idiopathic stenosis of the spinal canal. Developed stenosis of the spinal canal. Unilateral idiopathic narrowness of the recessus lateralis Spondylolysis. Postoperative calcification in the notch area. Prolapsed disc with and without contrastmedium Metastasis within L4 vertebra. Spondylitis tuberculosa.