21-year-old with history of bilateral breast fibroadenomas. Interval follow up exam to assess for stability. History of breast cancer in the patient's mother diagnosed at age 51 and the patient's maternal grandmother. A whole breast ultrasound was performed for the palpable areas of concern. In the 11 o'clock position in the right breast 1 cm from the nipple is a 1.2 x 1.3 x 1.2 centimeters (previously 1.2 x 1.1 x 1.2 cm) round nearly isoechoic mass with circumscribed margins and through transmission. At the 9 o'clock position in the right breast 3 cm from the nipple a 1.1 x 0.6 x 1.6 cm (previously 1.2 x 0.6 x 1.7 cm) oval, parallel hypoechoic mass is present.At the 3 o'clock position of the left breast 1 cm from the nipple a 0.7 x 0.4 x 0.6 cm (previously 0.7 x 0.9 x 0.4 cm) parallel hypoechoic mass is present.No significant internal vascularity is noted in any lesion.
Stable bilateral masses most likely are presenting fibroadenomata. Continued follow-up with repeat bilateral breast ultrasound in one year is recommended.BIRADS: 2 - Benign finding.RECOMMENDATION: T - Take Appropriate Action - No Letter.