Clinical Rhinology

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VOLUME 15 , ISSUE 1 ( January-April, 2024 ) > List of Articles

CASE REPORT

Bilateral Antrochoanal Polyp in an Adult, a Rare Cause of Bilateral Nasal Blockage: Report of a Case and Review of the Literature—A Case Report

Clara Espina, Felip Ferrer Baixauli, María Aragonés Redó, Tomàs Pérez-Carbonell, Jaime Marco-Algarra

Keywords : Bilateral antrochoanal polyp, Bilateral nasal blockage, Case report, Functional endoscopic sinus surgery, Nasal cavity

Citation Information : Espina C, Baixauli FF, Redó MA, Pérez-Carbonell T, Marco-Algarra J. Bilateral Antrochoanal Polyp in an Adult, a Rare Cause of Bilateral Nasal Blockage: Report of a Case and Review of the Literature—A Case Report. Clin Rhinol An Int J 2024; 15 (1):48-50.

DOI: 10.5005/jp-journals-10013-1401

License: CC BY-NC 4.0

Published Online: 16-11-2024

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Aim: To present a clinical case of bilateral antrochoanal polyps (ACPs) in a 38-year-old patient without history of asthma or allergy. Background: Antrochoanal polyps are benign tumors that originate from the maxillary sinus mucosa and emerge from the nasal cavity, arriving at the nasopharynx. The bilateral form of this entity is extremely rare and frequently appears as a bilateral nasal blockage, as we report in our review of the literature. Case description: We report a case of a 38-year-old male with no antecedents of asthma nor allergy diagnosed with bilateral ACPs removed by functional endoscopic sinus surgery (FESS). We present the clinical and therapeutic approach as well as the outcome and possible causes of appearance. Conclusion: Antrochoanal bilateral polyps are an extremely infrequent entity. Its diagnostic confirmation must be performed by histology, and its management is surgical. The present article recommends keeping the differential diagnosis of bilateral ACPs in cases of chronic bilateral nasal blockage. Clinical significance: The patient that we present did not have a previous history of asthma, allergy, or any anatomical alteration. Given this fact, as well as the low prevalence of bilateral ACPs, we must take into consideration that this form can be caused by another physiopathological mechanism, yet to be determined, and that is why we consider it important to report this type of case.


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