Key result
A case of multiorgan angiosarcoma, including the scalp, initially presented with hydropneumothorax, with pleural invasion confirmed by immunohistochemistry.
Case Report (n=1)
Angiosarcoma should be considered in the differential diagnosis of advanced-aged patients presenting with hydropneumothorax and cystic lung lesions, with immunohistochemistry being crucial for confirming malignant pleural effusion.
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Alerts clinicians to consider angiosarcoma in elderly hydropneumothorax cases; hypothesis-generating and leaves broader validation open.
Angiosarcoma is a rare malignant tumor of soft tissue. Because angiosarcoma originates from endothelial cells, it can occur in any organ and shows aggressive clinical features. Most commonly, angiosarcoma initially presents as a cutaneous lesion. Lung metastasis from scalp angiosarcoma can develop pneumothorax. We report a case of multiorgan involvement of an angiosarcoma, including the scalp, initially presenting with hydropneumothorax. Immunohistochemistry analysis of the cells obtained from the study confirmed the pleural invasion of the angiosarcoma.
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Chang et al. (2014) conducted a case report in Angiosarcoma presenting with spontaneous hydropneumothorax (n=1). A case of multiorgan angiosarcoma, including the scalp, initially presented with hydropneumothorax, with pleural invasion confirmed by immunohistochemistry.
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