Observational analysis compares radiographic changes in nasolacrimal duct anatomy in silent sinus syndrome before and after surgery, indicating significant distortion.
Purpose Silent sinus syndrome (SSS), known as chronic maxillary atelectasis, is characterized by inward collapse of the maxillary sinus walls with resultant bowing of the maxillary sinus bones due to negative antral pressures. Functional endoscopic sinus surgery (ESS) is an important first step to normalize pressures. The impact of SSS on nasolacrimal duct (NLD) anatomy remains unclear. The study hypothesized that SSS may distort NLD anatomy, since the duct sits within the maxillary bone, and aimed to compare the radiographic changes on the affected and unaffected sides, as well as pre- and post-ESS.
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Lin et al. (2025) studied this question.
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