BackgroundOvarian sarcomas represent less than 1% of all ovary cancers and usually are frequent in adults. Primary angiosarcomas are exceptional in the ovaries within children.Case presentationWe reported a case of primary ovarian angiosarcoma in a 12-year-old girl in a resource-constrained context. Immunohistochemistry study showed the positivity of CD34, CD31, factor VIII, while S100 was negative. The diagnosis of primary non-metastatic angiosarcoma was retained. She was unable to undergo the CWS-2002P chemotherapy since her parents could not afford it.ConclusionThis case report described a rare type of a primary ovarian angiosarcoma within a child, diagnosed in a low-income country in a laboratory with limited resources.