Ceruminous adenoma mimicking otitis externa

We describe a right external auditory canal (EAC) recurrent ceruminous pleomorphic adenoma (CPA) accompanied by itching and review the clinical features and histopathology of this disease. A female in her 70s presented with a right EAC mass accompanied by itching. We initially diagnosed the mass as a ceruminous gland adenoma (CGA) following excisional biopsy. Two years and nine months later, the tumor recurred at the same site. A preoperative computed tomography (CT) scan demonstrated no bone destruction, and magnetic resonance imaging (MRI) showed a 1 × 1 cm mass with a clearly defined margin in the right EAC. We completely excised the recurrent tumor using a transmeatal approach under general anesthesia. Histopathology demonstrated haphazard proliferation of tubule-glandular structures lined by two layers of the epithelium in the hypocellular stroma composed of a mucoid matrix. The recurring tumor was diagnosed as a CPA. Here, an EAC tumor—originally diagnosed as a CGA following excisional biopsy—recurred and was subsequently diagnosed as a CPA. CPA can be considered an unusual variant of CGA.

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Ceruminous adenoma of external auditory canal

MESOLELLA,

CAPRIGLIONE,

MOTTA

et al. 2024

Otorhinolaryngology

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Ceruminous adenoma mimicking otitis externa

Cited by 3 publications

References 9 publications

Otoendoscopy aids diagnosis of a rare ear canal tumour

Otoendoscopy aids diagnosis of a rare ear canal tumour

Pleomorphic Adenoma of the External Auditory Canal From Ceruminous Gland Adenoma: Case Report and Review of the Literature

Ceruminous adenoma of external auditory canal

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