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69-year-old female with low back pain (LBP) and a grade 2 spondylolisthesis.
Findings: Re-exam 2 x-ray after 45 weeks. LL projection demonstrates 2.4 mm anterior translation of L4 on L5 perpendicular from the posterior tangent of the L5 vertebral body to the posterior tangent of the L4 vertebral body. This measurement is WNL.
Technique: 200mAs, 200mA, 86kVp, 40″ FFD, CR at L4.
