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- Title
Nasopharyngeal Hyalinizing Clear Cell Carcinoma: A Case Report and Review of the Literature.
- Authors
Malfitano, Madison J.; Norris, Meghan N.; Stepp, Wesley H.; Santarelli, Griffin D.; Samulski, T. Danielle; Senior, Brent A.; Ebert, Charles S.; Thorp, Brian D.; Zanation, Adam M.; Kimple, Adam J.
- Abstract
Background: Hyalinizing clear cell carcinomas (HCCCs) are rare, low-grade, malignant tumors which most often arise from the minor salivary glands primarily in palate and tongue but can arise in any location with minor salivary glands including the nasopharynx. Methods: A case report of primary nasopharyngeal HCCC is presented. Because of the rarity of this tumor and location, a literature search was conducted to determine the most common presenting symptoms, treatment strategies, and outcomes. Results: A 48-year-old man underwent biopsy of a 4.5 cm mass of the right nasopharynx with pathology suggesting an intermediate grade mucoepidermoid carcinoma. After discussing management with the patient, an endoscopic resection was performed. Final pathology revealed an HCCC which was confirmed after negative Mastermind-like 2 (MAML2) and positive Ewing sarcoma breakpoint region 1 (ESWR1) gene rearrangements on fluorescence in situ hybridization (FISH) studies. Literature review of other nasopharyngeal HCCC cases shows diverse presentation and overall excellent prognosis through surgical and radiation therapy. Conclusion: HCCCs are rare, low-grade malignant tumors of the minor salivary glands and can present as a nasopharyngeal mass. Presenting symptoms are diverse but frequently involve otologic and sinonasal disturbances. HCCC is an indolent tumor with an excellent prognostic outcome when treated appropriately with surgical resection and adjuvant radiotherapy.
- Publication
Allergy & Rhinology, 2019, Vol 10, pN.PAG
- ISSN
2152-6567
- Publication type
Article
- DOI
10.1177/2152656719889030