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英文誌(2004-)

Journal of Medical Ultrasonics

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1991 - Vol.18

Vol.18 No.05

Case Report(症例報告)

(0511 - 0517)

頸部奇形腫の1例

A Case of Cervical Teratoma

鈴木 規之, 中澤 英樹, 秋山 洋

Noriyuki SUZUKI, Hideki NAKAZAWA, Hiroshi AKIYAMA

虎の門病院内分泌外科

Department of Endocrine Surgery, Toranomon Hospital

キーワード : Cervical teratoma, Ultrasonography

Teratoma is occasionally observed in the ovary, testicle, sacrococcygeal region, retroperitoneal region, and anterior mediastinum. However, teratoma in the cervical region is very rare. We report a pediatric case of cervical teratoma causing upper airway obstruction.
A 10-year-old girl was admitted to our hospital with complaints of dyspnea and a left cervical mass. The chest X-ray demonstrated severe deviation and stenosis of the trachea. An ultrasonographic examination showed a cystic tumor approximately 5.0 cm in diameter, in which several solid polypoid lesions were detected. Upon operation the tumor was located in the lower pole of the left thyroid lobe and was adhesive to the trachea. The tumor was completely excised. The histology revealed a benign cystic teratoma. The complaint of dyspnea disappeared after the operation.
One of the important characteristics of ultrasonography in cervical teratoma is a complex mass with cystic and solid components.