The Journal of the Japanese Association for Chest Surgery
Online ISSN : 1881-4158
Print ISSN : 0919-0945
ISSN-L : 0919-0945
A case of mucoepidermoid carcinoma originating from peripheral bronchiole distinguished from radiographically diagnosed pulmonary hamartoma
Daiki MasuyaJun NakanoMasashi GotohTakashi NakashimaTaku OkamotoDage LiuKotarou KameyamaShinya IshikawaYasumichi YamamotoCheng-long HuangHiroyasu Yokomise
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2004 Volume 18 Issue 1 Pages 83-86


A 28-year-old man was admitted to our hospital with abnormal shadow on chest X-ray. A mass was detected between 1t. B8a and 1t. B8b on chest CT with a clear margin, and was evaluated as pulmonary hamartoma radiographically. During operation, the tumor was enucleated and diagnosed as mucoepidermoid carcinoma histologically. Left lower lobectomy was additionally performed. Mucoepidermoid carcinoma is a low-grade malignant tumor, usually located in the central bronchus. This case is interesting because radiographicallydiagnosed distinction from pulmonary hamartoma was needed, and because it originated in the peripheral bronchus.

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