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Case Reports
. 2024 May-Jun;90(3):101408.
doi: 10.1016/j.bjorl.2024.101408. Epub 2024 Feb 22.

Squamous cell carcinoma arising from a cholesteatoma of the maxillary sinus: a case report⋆

Tae-Gyun Kim  1 , Chang-Ho Whangbo  1 , Jae-Ho Yoo  1 , Hee-Jun Park  1 , Sang-Yen Geum  1 , Seung-Heon Shin  1 , Mi Kyung Ye  2
Affiliations
Case Reports

Squamous cell carcinoma arising from a cholesteatoma of the maxillary sinus: a case report⋆

Tae-Gyun Kim et al. Braz J Otorhinolaryngol. 2024 May-Jun.
No abstract available

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Figures

Fig. 1
Fig. 1
Radiology findings at the first visit, the paranasal sinus computed tomography coronal view revealed a nonhomogeneous soft tissue density in the left maxillary and ethmoid sinuses without bony remodeling.
Fig. 2
Fig. 2
Nasal endoscopic findings 3-years after the endoscopic sinus surgery (1st surgery). Whitish keratinous material observed around the left maxillary sinus opening.
Fig. 3
Fig. 3
Histopathologic findings from Caldwell-Luc operation (2nd surgery). Microscopic examination revealed benign keratinized squamous lining with hyperkeratosis, parakeratosis (Hematoxylin and Eosin stain ×50).
Fig. 4
Fig. 4
Histopathologic findings from the wide local excision (3rd surgery). Microscopic examination revealed irregularities in the basement membrane contour, along with the loss of cellular polarity, indicating well-differentiated squamous cell carcinoma (Hematoxylin and Eosin stain ×50).
Fig. 5
Fig. 5
Radiology findings after the wide local excision (3rd surgery). The paranasal sinus magnetic resonance imaging axial T1-weight contrast-enhanced view revealed a thickened contrast-enhanced mass along the mucosa of the maxillary sinus and nasolacrimal duct.
See this image and copyright information in PMC

References

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