Kiryu T, Kawaguchi S, Matsui E, Hoshi H, Sano K, Takatsu H, Tanaka H, Shimokawa K
Department of Radiology, Gifu University School of Medicine, Japan.
Radiat Med. 1998 May-Jun;16(3):205-7.
Pleomorphic adenoma is the most common form of major salivary gland tumors,but it is exceedingly rare in the trachea. We present a case of pleomorphic adenoma of the trachea in an 80-years-old man. Chest three-dimensional CT demonstrated a bosselated mass with a lobulated surface arising from the membranous portion of the upper trachea. Transbronchoscopic biopsy from the mass showed a biphasic histologic appearance produced by a mixture of glandular structure and hyaline-like stroma. The pathological diagnosis was pleomorphic adenoma.
多形性腺瘤是大唾液腺肿瘤最常见的类型，但在气管中极为罕见。我们报告一例80岁男性气管多形性腺瘤病例。胸部三维CT显示一个表面呈分叶状的隆起肿块，起源于气管上段膜部。对该肿块进行经支气管活检显示，其组织学表现为双相性，由腺性结构和透明样间质混合而成。病理诊断为多形性腺瘤。
