Date of Presentation:10/20/2018

Attending pathologist: Rongqin Ren, MD, PhD

Presented by: Vidya Arole, MD

Prepared by: Vidya Arole, MD



A 41 y/o female found to have suspicious lesion on screening mammogram and ultrasound evaluation of the left breast demonstrated an irregular predominantly hypoechoic mass with minimal internal vascularity measuring approximately 1.4 x 0.8 x 4.0 cm.

What is the most likely diagnosis?

  1. Invasive ductal carcinoma NOS
  2. Micropapillary carcinoma
  3. Invasive lobular carcinoma
  4. Mucinous carcinoma
  5. Metaplastic carcinoma
Mucinous carcinoma (Pure)