Presentation
Driving instructor involved in a car accident with large breast bruising from a seat belt injury 1 year prior to presentation. Now presents with a firm breast mass increasing in size over the last 10 months
Patient Data
Age: 35
Gender: Male
From the case:
Focal fibrosis of the breast

From the case:
Focal fibrosis of the breast

Dense, low reflective mass with no significant vascularity
Case Discussion
At histology there is benign post traumatic fibrosis with a similar pattern to retroperitoneal fibrosis
Focal fibrosis may appear as a either a well circumscribed mass, an irregular mass or as focal asymmetry at mammography.
It is composed of dense collagenous stroma with sparse glandular and vascular elements