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The data suggest that some combinations of 2 relatively sensitive clinical tests and 1 relatively specific clinical test increase the diagnostic efficacy of superior labrum anterior and posterior lesions. Requiring 1 of the 3 chosen tests to be positive will result in a sensitivity of about 75%, whereas requiring all 3 to be positive will result in a specificity of about 90%.

-AbstractStudy Design: A retrospective study.Objectives: To compare the efficacy of demineralized bone matrix as a bone graft extender in lumbar posterolateral fusion with cases using an autogenous iliac bone graft.Summary of Literature Review: Since demineralized bone grafts were introduced for bone graft extension in 1995, many types of demineralized bone matrices have been used with improved fusion rates. Results: Group I had Lenke A in 7 cases (14.3%), B in 21 cases (42.9%), C in 15 cases (30.6%), and D in 6 cases (12.2%). Group II had Lenke A in 9 cases (18.0%), B in 26 cases (52.0%), C in 12 cases (24.0%), and D in 3 cases (6.0%). There was no statistical difference in fusion rate.Conclusion: Demineralized bone matrix could be used as a bone graft extender in lumbar posterolateral fusion.

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