Foreign body mimicking malignancy in acquired dacryocystocele.

A featured malignant-like granulation tissue can be the only preoperative clinical clue of a concealed foreign body in the nasal cavity. Thus, endoscopic Dacryocystorhinostomy (DCR) should be completed with intraoperative nasal exploration to reveal non-apparent foreign bodies that might be the underlying etiology of chronic dacryocystocele.