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J Korean Soc Emerg Med > Volume 20(2); 2009 > Article
Journal of The Korean Society of Emergency Medicine 2009;20(2): 231-234.
Spontaneous Rupture of Mediastinal Teratoma
Hui Dong Kang, Boo Soo Lee, Jong Uk Kim, Gil Hyun Kang, Dae Sick Ryui, Se Hyun Oh
1Department of Emergency Medicine, Ulsan University, Gangneung Asan Hospital, Gangneung, Korea. boos@gnah.co.kr
2Department of Thoracic and Cardiovascular Surgery, Ulsan University, Gangneung Asan Hospital, Gangneung, Korea.
3Department of Diagnostic Pathology, Ulsan University, Gangneung Asan Hospital, Gangneung, Korea.
4Department of Diagnostic Radiology, Ulsan University, Gangneung Asan Hospital, Gangneung, Korea.
ABSTRACT
Mediastinal teratoma is a rare mediastinal tumor. Patients with mediastinal teratoma are usually asymptomatic and are diagnosed incidentally with chest radiography or CT, but they may develop symptoms via a rupture into adjacent structures, which results in chemical pneumonia, massive hemoptysis, hemothorax, pericardial effusion, or respiratory distress. We report a case of a ruptured teratoma in a 31-year-old female presenting with cough and brown-colored sputum. Chest radiography and computed tomography of the chest showed an inhomogenous anterior mediastinal mass with fat and fluid component. It was successfully treated by surgical resection. Although mature teratomas are rare, we should be familiar with the unique CT features of a ruptured teratoma to make sure of a correct diagnosis.
Key words: Teratoma, Mediastinum, Rupture
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