scrotum Paget disease (MONDO_0002649, a Monarch Disease Ontology id) is a mammary Paget's disease that involves the scrotum. Also known as: Paget disease of the scrotum, Paget's disease of scrotum, Paget's disease of the scrotum, scrotal Paget's disease, scrotum Paget's disease, scrotum mammary Paget's disease.