1.Coexisting parotid cholesteatoma and temporal bone carcinoma: A case report.
Danzon John C. DE CASTRO ; Chris Robinson D. LAGANAO
Philippine Journal of Otolaryngology Head and Neck Surgery 2025;40(Supplement):4-8
OBJECTIVE
To report a case of parotid cholesteatoma and concurrent squamous cell carcinoma of the temporal bone in a 51-year-old woman.
METHODSDesign: Case Report
Setting: Tertiary Government Training Hospital
Patient: One
RESULTSA 51-year-old woman with a left parotid mass and ipsilateral external auditory canal mass and chronic bilateral otorrhea had parotid biopsy histological features of cholesteatoma and temporal bone imaging suggestive of middle ear cholesteatoma and possible parotid region abscess. She underwent subtotal petrosectomy, mastoid obliteration and excision of the parotid mass. Histopathological examination of the parotid mass was consistent with cholesteatoma but tissue from the middle ear cavity showed well-differentiated squamous cell carcinoma.
CONCLUSIONWhile cholesteatomas typically arise within the temporal bone, they may occasionally present in atypical or distant sites. In cases where a cholesteatoma demonstrates an unusual location, aggressive behavior, or atypical clinical progression, a high index of suspicion should be maintained for the possibility of an underlying or coexisting temporal bone squamous cell carcinoma.
Human ; Female ; Middle Aged: 45-64 Yrs Old ; Parotid Diseases ; Cholesteatoma ; Ear Neoplasms ; Cancer Of Ear ; Carcinoma, Squamous Cell ; Squamous Cell Carcinoma Of Head And Neck

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