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Well-differentiated peritoneal papillary mesothelioma located in the uterus of a menopausal patient

Well differentiated peritoneal papillary mesothelioma (WDPPM) was first described in 1979 by Mennemeyer and Smith. Since then, over 150 cases have been reported in the scientific literature (Cha et al. 2018). WDPPM is a very rare tumour, more common in women, especially in those at a reproductive age (Takemoto et al. 2012). Its finding is usually incidental, since most patients are asymptomatic (Myers and Babiker 2020). Its preoperative differential diagnosis with adnexal masses is very difficult, so it is usually confirmed after the surgery (Cha et al. 2018).