failure of conservative therapy Migration of disc fragment completely below the level of the disc space Stereotactic lumbar microdiscectomy Radiculopathy with corresponding imaging studies ...

Describes the nature of a clinical study. Types include: Observational study — observes people and measures outcomes without affecting results. Interventional study (clinical trial) — studies new ...

Fifty-two days previously, the patient underwent bilateral L4-L5 decompression laminotomies and a left L4-L5 discectomy for excision of a large herniated intervertebral disc. Subarachnoid haemorrhage ...