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Review
. 2023 Feb;280(2):743-756.
doi: 10.1007/s00405-022-07564-8. Epub 2022 Jul 28.

Nasal sinuses cholesteatoma: case series and review of the English literature

Ahmed Nabil Abdelhamid Ahmed  1 , Mohamed M Elsharnouby  2 , Marwa Mohamed Elbegermy  2
Affiliations
Review

Nasal sinuses cholesteatoma: case series and review of the English literature

Ahmed Nabil Abdelhamid Ahmed et al. Eur Arch Otorhinolaryngol. 2023 Feb.

Abstract

Background: Nasal sinus cholesteatomas are uncommon slow-growing lesions that are frequently misdiagnosed preoperatively. They can develop due to embryologic remnants or iatrogenic factors (surgical trauma or nasal sinus trauma). In addition, they can cause bone destruction resulting in intracranial or intraorbital complications as well as malignant change if neglected. Complete surgical removal is a must with strict postoperative follow-up.

Materials and methods: Three cases of nasal sinus cholesteatoma are reported. The first case was found inside the ethmoidal sinus, the second in the frontal sinus, and the third was found inside a concha bullosa. In all three cases, a wide endoscopic surgical excision was performed. Due to the lateral extension of the lesion, frontal sinus trephine was also used in the case of frontal sinus nasal cholesteatoma. In addition, a review of the English literature for the reported cases of nasal sinus cholesteatomas was conducted.

Results: There were no reported recurrence or residual during strict postoperative follow-up for 2 years (by endoscopic examination and diffusion-weighted MRI with delayed postcontrast T1 images). A review of the English literature revealed 42 cases of nasal sinuses cholesteatomas (including the present three cases) (17 in the frontal sinus, 15 in the maxillary sinus, 5 in the ethmoid sinus, 3 in the sphenoid sinus, and 2 in a concha bullosa).

Conclusions: Although nasal sinus cholesteatomas are uncommon, they must be considered in the differential diagnosis of slow-growing nasal sinuses lesions. Preoperative CT scan and diffusion-weighted MRI are essential for proper diagnosis and to exclude other similar lesions, such as nasal sinus mucoceles, cholesterol granuloma, or neoplastic lesions. Wide complete surgical excision is necessary to avoid recurrence and facilitate postoperative follow-up. As with ear cholesteatoma, strict postoperative follow-up is required to detect recurrence or residual early and is performed by endoscopic examination, diffusion-weighted MRI, and delayed post-gadolinium T1 images.

Keywords: Diffusion-weighted imaging; Nasal sinus neoplasms; Sinus cholesteatoma; Sinus epidermoid; Sinus keratoma; Sinus mucocele.

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References

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