Fig. 1

The patient's preoperative eye appearance, CT images of the sinuses, and nasal endoscopic images. A The patient showed obvious tearing and purulent discharge in the right eye on admission. B Horizontal CT images showed high-density signals of the right dacryocyst and part of the nasolacrimal duct (blue arrowhead). C Horizontal CT images showed bone discontinuities in the right mandible (yellow arrowhead) and a soft-tissue-density shadow in the right nasal cavity with a high-density shadow (red arrowhead). D nasal endoscopy shows many yellow and white nasal stone-like foreign bodies filled the right common and inferior nasal passages (black arrowhead)