Breast Fibroadenoma

18 y/o F presents with new-onset, tender breast mass. Mass size and associated tenderness increase prior to menses. Single, rubbery, mobile, well-circumscribed mobile mass in upper/outer breast quadrant on exam.

• Observe for 1-2 menstrual cycles

• F/u in 1-2 months; refer for u/s if mass size increases or does not fluctuate with cycles

• Pt counseled that mass will likely regress with time