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A, Immediate postoperative sagittal T1-weighted image shows a C-shaped flap underlying the operative defect (white arrow). A, Immediate postoperative sagittal.

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Presentation on theme: "A, Immediate postoperative sagittal T1-weighted image shows a C-shaped flap underlying the operative defect (white arrow). A, Immediate postoperative sagittal."— Presentation transcript:

1 A, Immediate postoperative sagittal T1-weighted image shows a C-shaped flap underlying the operative defect (white arrow). A, Immediate postoperative sagittal T1-weighted image shows a C-shaped flap underlying the operative defect (white arrow). B, Immediate postoperative sagittal T1-weighted image postcontrast with fat suppression shows a C-shaped flap underlying the operative defect (white arrow). C, Follow-up postoperative MR imaging scan sagittal unenhanced T1-weighted MR imaging shows decreased debris and removal of Foley catheter balloon in the sinonasal cavity and a C-shaped configuration of the flap, which is isointense (white arrow). D, Follow-up MR imaging sagittal T1-weighted postcontrast with fat suppression shows robust and thicker enhancement of the flap (white arrow). M.D. Kang et al. AJNR Am J Neuroradiol 2009;30: ©2009 by American Society of Neuroradiology

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