Tunica vaginalis testis mesothelioma
Tunica vaginalis testis mesothelioma refers to mesothelioma arising from the tunica vaginalis.
Epidemiology
Malignant mesothelioma originating from the tunica vaginalis is extremely rare.
Clinical presentation
Patients usually present with enlarging or recurrent hydrocele, or less frequently, scrotal mass and inguinal hernia .
Pathology
Associations
Although the exact pathophysiology is unclear, exposure to asbestos and long-standing hydrocele are considered risk factors for malignant mesothelioma of the tunica vaginalis. A history of asbestos exposure is present in <50% of patients .
Radiographic features
it can present as single or multiple paratesticular masses, diffuse disease, or as papillary excrescences on the inner surface of a hydrocele