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Primary Thyroid-like Papillary Adenocarcinoma of the Nasopharynx-Case Report

類甲狀乳突鼻咽腺癌-病例報告

摘要


Primary thyroid-like low-grade nasopharyngeal papillary adenocarcinoma (TL-LGNPPA) is extremely rare, with only 13 cases having been reported. In contrast to nasopharyngeal cancer (NPC) or thyroid cancer, TL-LGNPPA is a low-grade adenocarcinoma that is immunopositive for thyroid transcription factor-1 (TTF-1). It is mostly treated by surgical resection, which has an excellent disease-free survival rate without reported recurrence. We describe a case of TL-LGNPPA in a 45-year-old male who was referred to our clinic for suspected NPC. The patient underwent potassium-titanyl- phosphate (KTP) laser-assisted endonasal endoscopic resection and remained free of recurrence or metastasis after 24 months of follow-up.

並列摘要


原發性類甲狀乳突鼻咽腺癌非常的罕見,有被文獻記載的僅13例。不同於鼻咽癌或是甲狀腺癌,此癌症是一種低惡性度的鼻咽腺癌,它在外型和病患症狀上很類似鼻咽癌,但在病理上很類似甲狀腺乳突癌,且能染上TTF-1這種甲狀腺癌免疫染色,卻又不像異位性甲狀腺能夠染上Thyroglobulin。文獻上建議以手術切除為主,目前尚未有復發的案例報告。本案例報告描述一45歲男子因血絲鼻涕與鼻咽腫瘤懷疑鼻咽癌而轉至門診,於診斷後接受內視鏡雷射切除手術,24個月後追蹤沒有復發及轉移的跡象。

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