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Two Cases of Middle Ear Adenoma with Neuroendocrine Differentiation (Carcinoid Tumor) / 대한이비인후과학회지
Korean Journal of Otolaryngology - Head and Neck Surgery ; : 573-577, 2011.
Artigo em Coreano | WPRIM | ID: wpr-650546
ABSTRACT
Middle ear adenoma with neuroendocrine differentiation (carcinoid tumor) is a rare benign tumor of the tympanic cavity. Carcinoid tumor is generally derived from primitive stem cells in the gut wall but can be seen in other organs, including the lungs, mediastinum, thymus, liver, pancreas, bronchus, ovaries, prostate, and kidneys. This is unusual considering neuroendocrine cells have not been identified in normal or inflamed middle ear mucosa. Carcinoid tumor of the middle ear represents a class within the spectrum of adenomatous neoplasms. Immunohistochemical techniques have helped clarify that these tumors all share elements of neuroendocrine differentiation. Although histologic and biological similarities with middle ear adenoma exist, carcinoid tumor of the middle ear should be classified as a well-differentiated neuroendocrine carcinoma because the carcinoid tumor has higher rate of recurrence and incidence of metastasis than middle ear adenoma. Surgical management is the recommended treatment and long-term observation is necessary.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Ovário / Pâncreas / Próstata / Recidiva / Células-Tronco / Timo / Brônquios / Tumor Carcinoide / Adenoma / Incidência Tipo de estudo: Estudo de incidência / Estudo prognóstico Idioma: Coreano Revista: Korean Journal of Otolaryngology - Head and Neck Surgery Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Ovário / Pâncreas / Próstata / Recidiva / Células-Tronco / Timo / Brônquios / Tumor Carcinoide / Adenoma / Incidência Tipo de estudo: Estudo de incidência / Estudo prognóstico Idioma: Coreano Revista: Korean Journal of Otolaryngology - Head and Neck Surgery Ano de publicação: 2011 Tipo de documento: Artigo