Secondary malignant tumours of the vulva are far less common than primary ones. In the series of Dehner (1973), secondaries constituted the third largest group of vulval malignant tumours. Cervical cancer was the most frequent primary. Burgess and Waymont (1987) noted metastatic deposits of a cervical carcinoma in an epid-iotomy scar. Endometrial carcinoma, uterine malignant mixed mesodermal tumours (Dehner 1973), choriocarcinoma, carcinomas of the rectum and lung — all can metastasise to the vulva (Janovski and Douglas 1972). There are also reports of metastases from hypernephroma (Taussig 1938) and carcinoma of the breast (Mader and Friedrich 1982). Carcinoma of the vagina and urethra can involve the vulva by direct extension.