Angiosarcoma of the breast. Two cases following breast conserving treatment for invasive carcinoma.

Angiosarcoma of the breast is a rare malignant tumour. It can be primary or secondary in women who have been treated of a ductal carcinoma of the breast. There are some differences between both them. We present two clinical cases secondary to radiotherapy and a review of the literature, discussing about aetiology, incidence, diagnostic, treatment and prognostic of this tumours.