Abstract
A 52-year-old man with burn injuries and prolonged intubation developed PGS with hoarseness, dyspnea, and bilateral vocal cord immobility. On CT, a calcified interarytenoid scar band was identified, corresponding to an interarytenoid scar on laryngoscopy. Endoscopic laser lysis of the calcified scar band relieved the symptoms. We present laryngoscopic and CT findings of PGS with interarytenoid calcification along with the postlysis findings. The classification, clinical findings, imaging, and management of PGS are reviewed.
Highlights
We present a case of PGS with a calcified interarytenoid scar band, demonstrating the value of identifying this band for surgical planning
Definitive treatment of the calcified interarytenoid scar band and PGS was performed via microsuspension laryngoscopy with CO2 laser division of this interarytenoid bridge and soft-tissue adhesions (Fig 2A, -B)
PGS is usually due to soft-tissue adhesions in the interarytenoid region and/or the posterior commissure.[1,2,3]
Summary
It results from scarring of the mucosa of the interarytenoid region or the cricoarytenoid joints, usually secondary to intubation trauma.[1,2,3] The impaired vocal cord mobility presents with dyspnea or the inability to decannulate patients in whom tracheostomy has already been performed. We present a case of PGS with a calcified interarytenoid scar band, demonstrating the value of identifying this band for surgical planning.
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