Case Report

Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium

Volume: 3 Number: 1 April 1, 2020
  • Joyce Pui Kiu Ho
  • Eugene Wong
  • Narinder Pal Singh
European Journal of Rhinology and Allergy Cover
European Journal of Rhinology and Allergy
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Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium

Abstract

Chronic maxillary atelectasis (CMA) is an underdiagnosed condition that can occur bilaterally and may lead to significant complications. An accessory maxillary ostium (AMO) is a defect in the posterior fontanelle that is associated with maxillary sinus pathology. We present a case of a 47-year-old man with sinonasal symptoms. Nasendoscopy demonstrated bilateral lateralized uncinate processes. Radiological findings were consistent with a diagnosis of bilateral stage II CMA, with the left side less atelectatic than the right and only partially opacified. The patient was treated surgically with bilateral uncinectomy and maxillary antrostomy. Intraoperatively, an AMO was visualized on the left. The main theory regarding the etiology of CMA is sustained obstruction of the ostiomeatal complex resulting in negative intra-sinus pressures and subsequent atelectatic remodeling of the antral walls. Our patient had an AMO on the left side, which was also the side of reduced severity of both symptoms and radiographic findings. We propose that the patient initially had bilateral CMA, with subsequent development of a left AMO, which halted further progression of the disease on this side. This case suggests that an AMO can develop or enlarge and supports the notion that CMA is caused by negative intra-sinus pressures. Further research is required to establish the detailed etiology of CMA.

Keywords

References

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Details

Primary Language

English

Subjects

Otorhinolaryngology

Journal Section

Case Report

Authors

Joyce Pui Kiu Ho This is me
0000-0002-4912-4704
Australia

Narinder Pal Singh This is me
0000-0002-7719-1832
Australia

Publication Date

April 1, 2020

Submission Date

October 7, 2019

Acceptance Date

December 6, 2019

Published in Issue

Year 2020 Volume: 3 Number: 1

DOI

https://doi.org/10.5152/ejra.2020.227

IZ

https://izlik.org/JA64JK22YD

Cite

RIS / Bibtex
APA
Ho, J. P. K., Wong, E., & Singh, N. P. (2020). Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium. European Journal of Rhinology and Allergy, 3(1), 23-25. https://doi.org/10.5152/ejra.2020.227
AMA
1.Ho JPK, Wong E, Singh NP. Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium. Eur J Rhinol Allergy. 2020;3(1):23-25. doi:10.5152/ejra.2020.227
Chicago
Ho, Joyce Pui Kiu, Eugene Wong, and Narinder Pal Singh. 2020. “Bilateral Chronic Maxillary Atelectasis With a Unilateral Accessory Ostium”. European Journal of Rhinology and Allergy 3 (1): 23-25. https://doi.org/10.5152/ejra.2020.227.
EndNote
Ho JPK, Wong E, Singh NP (April 1, 2020) Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium. European Journal of Rhinology and Allergy 3 1 23–25.
IEEE
[1]J. P. K. Ho, E. Wong, and N. P. Singh, “Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium”, Eur J Rhinol Allergy, vol. 3, no. 1, pp. 23–25, Apr. 2020, doi: 10.5152/ejra.2020.227.
ISNAD
Ho, Joyce Pui Kiu - Wong, Eugene - Singh, Narinder Pal. “Bilateral Chronic Maxillary Atelectasis With a Unilateral Accessory Ostium”. European Journal of Rhinology and Allergy 3/1 (April 1, 2020): 23-25. https://doi.org/10.5152/ejra.2020.227.
JAMA
1.Ho JPK, Wong E, Singh NP. Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium. Eur J Rhinol Allergy. 2020;3:23–25.
MLA
Ho, Joyce Pui Kiu, et al. “Bilateral Chronic Maxillary Atelectasis With a Unilateral Accessory Ostium”. European Journal of Rhinology and Allergy, vol. 3, no. 1, Apr. 2020, pp. 23-25, doi:10.5152/ejra.2020.227.
Vancouver
1.Joyce Pui Kiu Ho, Eugene Wong, Narinder Pal Singh. Bilateral Chronic Maxillary Atelectasis with a Unilateral Accessory Ostium. Eur J Rhinol Allergy. 2020 Apr. 1;3(1):23-5. doi:10.5152/ejra.2020.227

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