Middle ear adenoma with neuroendocrine differentiation: relate of two cases and literature review

AUTOR(ES)

Bittencourt, Aline Gomes, Tsuji, Robinson Koji, Cabral Junior, Francisco, Pereira, Larissa Vilela, Fonseca, Anna Carolina de Oliveira, Alves, Venâncio, Bento, Ricardo Ferreira

FONTE

Int. Arch. Otorhinolaryngol.

DATA DE PUBLICAÇÃO

2013-09

RESUMO

INTRODUCTION: Adenomas with neuroendocrine differentiation are defined as neuroendocrine neoplasms, and they are rarely found in the head and neck. OBJECTIVE: To describe two cases of a middle ear adenoma with neuroendocrine differentiation, with a literature review. CASE REPORT: Patient 1 was a 41-year-old woman who presented with a 3-year history of left aural fullness associated with ipsilateral "hammer beating" tinnitus. Patient 2 was a 41-year-old male who presented with unilateral conductive hearing loss. CONCLUSION: Adenoma with neuroendocrine differentiation of the middle ear is a rare entity, but it should be considered in patients with tinnitus, aural fullness, and a retrotympanic mass and remembered as a diferential diagnosis of tympanic paraganglioma.

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