Decomposition of secretion produces tracheal "ozena," while the accumulated crusts give rise to the sensation of a foreign body and may seriously interfere with respiration, making bronchoscopic removal imperative.    From Wordnik.com.  [Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery] Reference

Wiesman, in 1893, reported a rhinolith, which was composed of a cherry-stone enveloped in chalk, that had been removed after a sojourn of sixty years, with intense ozena as a consequence of its lodgment.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference