Degenerative Spine
A 45-year-old woman presents with chronic low back pain and bilateral leg symptoms that worsen with standing and walking. She gets relief with sitting and forward flexion. Physical examination shows a palpable step-off at L4. MRI reveals L4/5 degenerative spondylolisthesis with central stenosis and facet hypertrophy. She has failed 6 months of conservative treatment including physiotherapy and epidural injections. Regarding spondylolisthesis:
Mark each as TRUE or FALSE
Wiltse classification identifies types: Type I (dysplastic/congenital, deficient posterior elements)...
The Meyerding classification grades slippage on lateral radiograph: Grade I (less than 25%), Grade I...
Degenerative spondylolisthesis most commonly occurs at L5/S1; isthmic spondylolisthesis most commonl...
Degenerative spondylolisthesis: more common in women, associated with facet arthropathy and ligament...
Isthmic spondylolisthesis: pars defect (stress fracture or elongation) allows forward slip; common i...
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Click T (True) or F (False) for each option