Unusual presentation of metastatic scalp angiosarcoma: diagnosis by transbronchial lung biopsy.

Angiosarcoma of the skin and soft tissue is a rare, highly malignant tumor of the blood vessels. This case report describes a patient with two unusual manifestations of the tumor; cavitary pulmonary metastases and bilateral hydropneumothoraces. In addition, diagnosis of lung involvement was made by transbronchial lung biopsy which has not been previously reported.