Fig. 21From: Multimodality approach to the nipple-areolar complex: a pictorial review and diagnostic algorithmPeriductal mastitis. Photograph of a 59-year-old smoker with a painful erythematous area in the upper outer quadrant of her right breast (a). Ultrasound shows skin thickening and retroareolar ductal ectasia with echogenic contents (b) and increased periductal Doppler signal (c). Fine-needle aspiration obtained purulent material (pus) (d, e)Back to article page