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The Korean Journal of Pathology 2004;38(2): 126-128.
Mucous Gland Adenoma Presenting as a Peripheral Lung Mass: A Brief Case Report.
Ji Eun Kwon, Gou Young Kim, Joungho Han, Tae Sung Kim, Kwanmien Kim
1Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. jhhan@smc.samsung.co.kr
2Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
3Department of Thoracic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
ABSTRACT
Mucous gland adenoma (MGA) of the lung is an uncommon, benign tumor that histologically resembles the mucus-secreting component of the tracheobronchial gland. The majority arises within the main, lobar or segmental bronchi. MGA presenting as a peripheral lung mass is extremely rare. We herein report a case of MGA that uniquely arose from the peripheral territory of the superior segmental bronchus of the left lower lobe in a 73-year-old male. Chest computed tomography showed a 13 mm-sized, subpleural nodule, which was easily enucleated by video-assisted thoracotomy. The mass was round and gray-tan in color with mucoid material. The tumor was composed of cysts, tubules, and glands lined by bland columnar, cuboidal or flattened, mucus secreting cells.
Key Words: Adenoma; Bronchi; Coin Lesion, Pulmonary; Respiratory Tract Neoplasm