Malignant Malignant Mesothelioma Tunica Mesothelioma Tunica Malignant Mesothelioma Tunica piyatikegowis Wednesday, January 1, 2014 What is testicular mesothelioma?. Malignant mesothelioma of the tunica vaginalis testis is an extremely rare tumor representing 0.3% to 5% o...