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Fig. 4 | Journal of Orthopaedic Surgery and Research

Fig. 4

From: The comparison of clinical outcome of fresh type II odontoid fracture treatment between anterior cannulated screws fixation and posterior instrumentation of C1-2 without fusion: a retrospective cohort study

Fig. 4

A failure case of PIWF. a, b Preoperative X-rays: white arrows indicate the fracture line. c Preoperative CT scans: the fracture line (white arrow) is clear in sagittal plane and the extensive fusion (black arrow)of C3-7 confirms the diagnosis of diffuse idiopathic skeletal hyperostosis (DISH). d Preoperative CT scans: fracture of anterior arch of atlas (white arrow). e, f Postoperative X-rays immediately after operation demonstrate ideal fragment reduction after PIWF. g, h Postoperative CT scans 3 years after operation shows the fracture failed to unite and the screws are loose

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X