Acute sinusitis is inflammation of mucosa lining of one or more paranasal sinuses. In children, most cases begin as a viral infection that extends from nasal mucosa (rhinitis) onto the mucosal lining ...

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Retrospective single-surgeon interventional case series, including 196 consecutive patients undergoing 203 endonasal DCR, with clinical and radiological evidence of nasolacrimal duct or common ...