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題 名 | 氣管內異位甲狀腺--病例報告=Intratracheal Thyroid: A Case Report |
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作 者 | 謝芳傑; 杜思德; 蘇矢立; 林同森; 張惠媚; 楊光道; | 書刊名 | 內科學誌 |
卷 期 | 13:2 2002.04[民91.04] |
頁 次 | 頁99-103 |
分類號 | 415.931 |
關鍵詞 | 異位甲狀腺; 甲狀腺腫; 濾泡癌; 氣管; 呼吸道阻塞; Ectopic thyroid; Goiter; Follicular carcinoma; Trachea; Airway obstruction; |
語 文 | 中文(Chinese) |
中文摘要 | 一位 42 歲女性 , 在過去二十三年間因甲狀腺腫大 , 會接受三次的甲狀腺切除手 術。她從一個多月前就經常咳嗽 , 而且呼吸困難狀況惡化。身體檢查發現右側甲 狀腺腫大 , 吸氣時有峰鳴聲 (stridor) 。電腦斷層攝影發現右側甲狀腺腫 , 相鄰的氣管內腔亦有腫塊。組織病理切片顯示在氣管黏膜下層 (submucous layer) 有 異位甲狀腺組織 , 但無惡性的變化。氣管內異位甲狀腺 (intratracheal ectopic thyroid ) 很罕見 , 當它引起上呼吸道阻塞症狀時 , 可能被誤以為是甲狀腺腫導致 氣管外壓迫 (external compression oftrachea), 或者是甲狀腺癌侵犯氣管 (thyroid carcinoma with tracheal invasion ) 。有時從組織學上並不能完全排除惡性 腫瘤的可能性;尤其是甲狀腺濾泡腺瘤 (follicular adenoma ), 有些病例在長期追蹤後 , 才出現惡性腫瘤的特性。此外 , 異位甲狀腺亦有惡性變化的可能。外科 切除是主要的療法 , 但目前並無一致公認的手術方式。在治療上 , 除了根據病理 診斷外 , 亦須考慮臨床情況個別處理。因此我們對本病例採取較為積極的處理方式 : 先切除氣管內病灶、再切除甲狀腺 ,並進行放射碘治療 (radioiodine ablation therapy) 及甲狀腺素抑制療法 ( thyroxine suppression therapy) 。 |
英文摘要 | A 42 years old woman ever received thyroidectomy three times during the past two decades. She suffered from cough and progressive dyspnea for one more month. A goiter and the inspiratory stridor were found on the physical examination. The CT scan revealed a lobulated thyroid tumor within the right neck and an intratracheal mass just beneath the vocal cord, which were suspicious of the thyroid carcinoma with tracheal invasion. However, the pathology reported that there were no evidences of malignancy but ectopic thyroid tissue in the submucosal stroma. Intratracheal ectopic thyroid is a rare cause of upper airway obstruction, which may be mistaken for an external goiter with tracheal compression or a malignant tumor with tracheal invasion. There have been reports of the thyroid tumor especially follicular neoplasm without histologically malignant features that eventually behaved like the malignancy. Besides, the cases of malignant transformation of intratracheal ectopic thyroid were ever found. Management should primarily be surgical but is not clearly established. Considering the potential risk of malignancy and the overall clinical course, we elected a more aggressive approach including thyroidectomy, radioiodine ablation and thyroxine suppression therapy in addition to surgical removal of the histologically benign intratracheal lesion) (J Intern Med Taiwan 2002; 13: 99-103 ) |
本系統中英文摘要資訊取自各篇刊載內容。