A Case of Cholesteatoma of Maxillary Sinus

Bo-Mun Kim; Seung-Heon Shin; Mi-Kyung Ye

doi:10.18787/jr.2019.26.1.43

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Kim, Shin, and Ye: A Case of Cholesteatoma of Maxillary Sinus

Case Report

Journal of Rhinology 2019; 26(1): 43-46.

Published online: 31 May 2019

DOI: https://doi.org/10.18787/jr.2019.26.1.43

A Case of Cholesteatoma of Maxillary Sinus

Bo-Mun Kim, MD, Seung-Heon Shin, MD, PhD, Mi-Kyung Ye, MD, PhD

Department of Otolaryngology-Head and Neck Surgery, School of Medicine, Catholic University of Daegu, Daegu, Korea.

Corresponding author (miky@cu.ac.kr)

Received 19 March 2019 Revised 2 April 2019 Accepted 4 April 2019

Journal of Rhinology

Abstract

Cholesteatoma is common disease entity within the middle ear cavity but is rarely found in the paranasal sinuses, especially the maxillary sinus. We experienced a case of cholesteatoma of the maxillary sinus without history of previous trauma or operation. The patient was not improved by functional endoscopic sinus surgery. The mucosa of the maxillary sinus was removed through the Caldwell-Luc approach, and heavy saline irrigation was performed. After reoperation, the postoperative period was uneventful, and there was no sign of recurrence on endoscopic examination.

Keywords: Cholesteatoma, Maxillary sinus

Figures and Tables

Fig. 1

Preoperative PNS CT showing non-homogeneous soft tissue density in the left maxillary sinus without bony remodeling.

Fig. 2

Histopathological examination of specimen from maxillary sinus; Keratinous material (Hematoxylin and Eosin ×40).

Fig. 3

PNS CT finding after 1 year of endoscopic sinus surgery showing mucosal thickening in left maxillary sinus without bony remodeling.

Fig. 4

Endoscopic finding of left maxillary sinus opening showing whitish keratin material.

Fig. 5

PNS CT finding after 3 years of endoscopic sinus surgery showing worsened soft tissue density in maxillary sinus without bony remodeling.

Fig. 6

Histopathological finding of maxillary sinus mucosa; fully differentiated, stratified squamous epithelium with lamellar sheets of keratin materials on connective tissue infiltrated with inflammatory cell (Hematoxylin and Eosin ×40).

References

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