Tuberc Respir Dis > Volume 64(5); 2008 > Article
Tuberculosis and Respiratory Diseases 2008;64(5):374-378.
DOI:    Published online May 1, 2008.
A Case of Pneumothorax Caused by Cystic Lung Metastasis of Angiosarcoma.
Chan Joo Lee, Jun Jeong Choi, Han Ho Jeon, Kyung Soo Jung, Byung Hoon Park, Seon Cheol Park, Sang Yun Shin, Wou Young Chung, Min Kwang Byun, Ji Ae Moon, Young Sam Kim, Se Kyu Kim, Joon Chang, Sung Kyu Kim, Moo Suk Park
1Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
2Department of Patholgy, Yonsei University College of Medicine, Seoul, Korea.
3The Institute of Chest Diseases, Yonsei University College of Medicine, Seoul, Korea.
Angiosarcoma is a rare but highly malignant tumorthat usually arises in the scalp or face of elderly males. Distant metastases favor the lung, liver, lymph nodes and skin. Metastatic pulmonary angiosarcoma commonly takes the form of a nodule but can sometimes appear as a thin-walled cyst. We report a case of 65 years-old male with a spontaneous pneumothorax, who underwent excision and radiotherapy for an angiosarcoma of the scalp 2 years ago. A chest CT scan revealed multiple cysts in the lung. The video-assisted thoracoscopic lung biopsy demonstrated subpleural cysts without tumor cells. A skin biopsy of the scalp showed an angiosarcoma. This case was diagnosed as a recurrence of an angiosarcoma with a supposed lung metastasis. This case suggests that a spontaneous pneumothorax in elderly people may be secondary to a pulmonary metastasis from an angiosarcoma of the scalp.
Key Words: Angiosarcoma, Cyst, Lung metastasis, Pneumothorax

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