Laryngeal oncocytic cystadenomas masquerading as laryngoceles.

Laryngeal oncocytic cystadenomas masquerading as laryngoceles.

Am J Otolaryngol. 2016 Jan-Feb;37(1):17-21

Authors: Feinstein AJ, Peng KA, Bhuta SM, Abemayor E, Mendelsohn AH

Abstract
OBJECTIVE: To describe an experience with laryngeal oncocytic cystadenomas and review the published literature regarding this uncommon diagnosis.
METHODS AND RESULTS: A clinical review of patients presenting with cystic laryngeal masses in an urban academic medical center between January and December 2013 was performed. Three patients, two female and one male, with a mean age of 68years, were diagnosed with oncocytic cystadenomata of the larynx. Major presenting symptoms included dysphonia, globus, and ipsilateral otalgia. Endoscopic examinations revealed a cystic structure arising from varied subsites of the larynx: laryngeal ventricle, aryepiglottic fold, and pre-epiglottic space. Cross-sectional radiographic imaging was obtained in each case. The patients were treated with transoral (CO2) laser microsurgery (TLM). In all three cases, pathological analysis revealed oncocytic cystadenoma with clear margins.
CONCLUSIONS: Oncocytic cystadenoma is a rare entity of the larynx predominantly affecting elderly patients. Clinical presentation and imaging may suggest the diagnosis of an internal laryngocele. Complete excision is both diagnostic and therapeutic, and typically can be achieved using TLM. When clear margins are obtained, no adjuvant therapy is indicated. Although laryngoceles and malignancies are more commonly encountered, oncocytic cystadenomas should remain in the differential of cystic laryngeal masses.

PMID: 26700253 [PubMed - in process]

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