invasive hydatidiform mole invasive hydatidiform mole invasive hydatidiform mole is a type of neoplasia that grows into the muscular wall of the uterus. it is formed after conception (fertilization of an egg by a sperm). it may spread to other parts of the body, such as the vagina, vulva, and lung. invasive hydatidiform moleother namesinvasive mole and chorioadenoma destruensinvasive hydatidiform molespecialtyoncology