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Representative case of a 65-year-old women with spondylolysis. Radiological assessment showed L5 spondylolysis with adjacent segment disorder at L4-5 with decreased disc height with impaired local lordosis with no central canal stenosis. (a, b) Plain X-ray (c) Sagittal and parasagittal CT reconstruction. Dotted circle indicates the impaired left L5-S1 foramen.
