Clear cell carcinoma of the ovary associated with increased risk of venous thrombosis.

Clear cell carcinoma of the ovary (CCCO) is an uncommon, clinically aggressive neoplasm that has a propensity for the development of venous thrombosis and embolization, especially when compared to other subtypes of ovarian malignancies. We present a fatal case of a 59-year-old woman with a clinical course complicated by venous thrombosis and pulmonary thromboembolism that was attributed to CCCO discovered initially at autopsy.