Occult Breast Cancer with Axillary Involvment in Breast with Scattered Fibroglandular Densities – It Just May Not Appear as It Used to Do: Case Report

Abstract

Occult breast cancer (OBC), which is defined as clinically recognizable axillary metastatic carcinoma from an undetectable primary breast tumor, occult from conventional breast cancer screening imaging methods. This case reveals an unexpected OBC in a patient with predominantly adipose breasts, with only a few scattered areas of fibroglandular density tissue (BI-RADS® breast composition B), in which the mammographic sensitivity is approximately 90% for the diagnosis of primary breast câncer.