Seok Ki Lee

Chosun University, Gwangju, Gwangju, South Korea

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Publications (3)1.21 Total impact

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    ABSTRACT: ObjectiveThe purpose of this study was to evaluate the clinical and radiological results of instrumented posterior lumbar interbody fusion (PLIF) using an unilateral cage.MethodsSeventeen patients with unilateral radiculopathy who underwent bilateral percutaneous screw fixation with a single fusion cage inserted on the symptomatic side for treatment of focal degenerative lumbar spine disease were prospectively enrolled in this study. Their clinical results, radiological parameters, and related complications were assessed 10 days, 3 months, and 12 months postoperatively.ResultsThere was no pseudarthrosis, instrumented fusion failure, significant cage subsidence, or retropulsion in any patient. The surgery restored the disc space height and maintained it as of 12 months postoperatively and did not exacerbate the lumbar lordotic and scoliotic angles. All patients had excellent or good outcomes according to the modified MacNab's criteria. The mean pain score according to the visual analogue scale was 7.5 preoperatively but had improved to 2.5 when reassessed 3 months postoperatively. The improvement was maintained as of 12 months postoperatively.ConclusionIn cases of uncomplicated unilateral radiculopathy, PLIF using a single cage can be an effective and safe procedure with the advantage of preserving the posterior elements of the contralateral side. A shorter operative time and greater cost-effectiveness than for PLIF using bilateral cages can be expected.
    06/2014; 11(2):52-6. DOI:10.14245/kjs.2014.11.2.52
    This article is viewable in ResearchGate's enriched format
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    ABSTRACT: Chronic spinal epidural hematoma related to Kummell's disease is extremely rare. An 82-year-old woman who had been managed conservatively for seven weeks with the diagnosis of a multi-level osteoporotic compression fracture was transferred to our institute. Lumbar spine magnetic resonance images revealed vertebral body collapse with the formation of a cavitary lesion at L1, and a chronic spinal epidural hematoma extending from L1 to L3. Because of intractable back pain, a percutaneous vertebroplasty was performed. The pain improved dramatically and follow-up magnetic resonance imaging obtained three days after the procedure showed a nearly complete resolution of the hematoma. Here, we present the rare case of a chronic spinal epidural hematoma associated with Kummell's disease and discuss the possible mechanism.
    Journal of Korean Neurosurgical Society 04/2011; 49(4):231-3. DOI:10.3340/jkns.2011.49.4.231 · 0.60 Impact Factor
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    Seok Ki Lee, Seok Won Kim
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    ABSTRACT: Subdural empyema is a rare form of intracranial sepsis associated with high morbidity and mortality. The most frequent cause is extension of paranasal sinusitis through emissary veins or of mastoiditis through the mucosa, bone, and dura mater. Development of subdural empyema after pyogenic meningitis is known to be very unusual in adults. We report a rare case of fatal subdural empyema, an unusual complication of pyogenic meningitis. Our bitter experience suggests that subdural empyema should be borne in mind in patient with pyogenic meningitis who exhibit neurological deterioration.
    Journal of Korean Neurosurgical Society 03/2011; 49(3):175-7. DOI:10.3340/jkns.2011.49.3.175 · 0.60 Impact Factor