Breast cancer features in women under the age of 40 years.

Objective:: To describe the clinical features, imaging findings and pathological aspects of breast cancer diagnosed in women under the age of 40 years.

Method:: A retrospective, descriptive study was performed through analysis of medical records between November 2008 and August 2012. One hundred and twenty (120) patients were included, of whom 112 underwent mammography, 113 underwent ultrasonography, and 105 underwent magnetic resonance imaging (MRI).