INVASIVE DUCTAL CARCINOMA

• Invasive ductal carcinoma is the most common form of breast cancer in women and men.
• Invasive ductal carcinoma appears as an irregularly shaped mass with spiculated margins on mammogram. There may be associated architectural distortion or fine calcifications.
• On ultrasound, it appears as an irregular hypoechoic mass with an echogenic halo.
• Mammogram remains the screening test of choice in women 40 years or older. Ultrasound and MR are useful in further evaluating suspicious lesions on ultrasound and young patients with breast tissue too dense for mammogram.