縱隔腔許旺氏細胞瘤或神經纖維瘤爲起源於周邊神經的良性神經性腫瘤。一般表現爲後縱隔腔腫塊,通常爲意外發現。而腫瘤起源於胸內膈神經是罕見的。我們提出一個案例報告,位於前縱隔腔的良性許旺氏細胞瘤,起源於左側膈神經,並且臨床表徵爲分葉狀腫塊及聲音沙啞,之後行正中開胸手術切除此前縱隔腔腫瘤後,病人癒後良好,聲音沙啞問題也於術後六個月改善。
Benign neurogenic tumors originating from the peripheral nervous system usually appear as schwannomas or neurofibromas. They represent one of the common causes of a posterior mediastinal mass and are usually found incidentally. However, tumors originating from the intrathoracic phrenic nerve are rare. We therefore report a case of schwannoma of the left phrenic nerve presenting as a lobulated mass causing hoarseness.