Middle Ear Primary Oncocytic Schneiderian Papilloma: A Case Report

Document Type : Case Report

Authors

1 Sinus and Surgical Endoscopic Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

2 Cutaneous Leishmaniosis Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.

3 Department of Pathology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

Abstract

Introduction:
Chronic otitis media is a significant health problem, but middle ear and mastoid neoplasms, either benign or malignant, are extremely rare.
Case Report:
Here is a report from a 51-year-old female who presented persistent otorrhea with an aural polyp. The patient was operated on with the probable diagnosis of cholesteatoma. During surgery, a fragile mass was discovered, and histopathologic examination reported the diagnosis of a primary oncocytic Schneiderian papilloma. Microscopically it has pseudostratified epithelium of columnar cell epithelium with eosinophilic granular cytoplasm and hyperchromatic nuclei. The treatment of choice for Schneiderian papillomas is complete surgical removal.
Conclusions:
Although very rare, oncocytic Schneiderian papilloma should be considered a differential diagnosis of ear neoplasms such as auditory canal polyps.

Keywords

References

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Iranian Journal of Otorhinolaryngology
Volume 34, Issue 5
September and October 2022
Pages 271-274

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