PMC5493813_01
XXX.
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PMC5493813_01_gr1.jpg
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Endoscopic examination and paranasal sinus tomography revealed bilateral choanal atresia (Fig. 1, Fig. 2)
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PMC5493813_01_gr3.jpg
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Follow-up evaluation at postoperative 12th month showed that her symptoms improved significantly and, on endoscopic examination, both choanae remained patent (Fig. 3).