Maxillary fractures are common traumas in facial lesions, frequently involving the thin bony anterior wall. Minimally invasive operations have been tried in these maxillofacial areas; for example, the Foley balloon inflation technique guided by nasal endoscopy in orbital blow-out fractures have been recently reported with a high success rate. However, in maxillary anterior wall fractures, these minimally invasive surgical procedures have seldom been reported. This report presents the case of a

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... 4-year-old man with an anterior maxillary wall fracture. The fracture was treated with a minimally invasive method that uses an endoscopic approach to the maxillary antrum with a Foley catheter ballooning, which was monitored by real-time ultrasonography. This report presents the imaging studies and a description of the endoscopic procedure.