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Radiographic and Clinical Outcomes From the Use of S2 Alar Screws in Surgery for Adult Spinal Deformity.

Toshiyuki NakazawaGen InoueTakayuki ImuraMasayuki MiyagiWataru SaitoEiki ShirasawaKentaro UchidaNaonobu TakahiraMasashi Takaso
Published in: Global spine journal (2018)
Use of S2 alar screws as anchors for instrumentation in ASD surgery should be restricted. Their use might be an option for patients with low PI, and without severe osteoporosis, in whom efficient surgical correction can be obtained.
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