Malignant mesothelioma of the tunica vaginalis: a case with an unusually indolent course following radical orchidectomy and radiotherapy

Malignant mesothelioma (malignant adenomatoid tumour) of the tunica vaginal is testis is a very rare neoplasm with highly aggressive biological behavio ur. Treatment is difficult, and widespread local invasion and/or metastatic disease at presentation are associated with a poor prognosis. In this case report we describe for the first time a patient who, despite presenting wi th locally advanced disease, remains well 10 years after diagnosis and trea tment with radical orchidectomy and high dose radiotherapy.