Introduction: Giant juvenile breast fibroadenoma can cause deformity and should be excised. Cosmesis is an important consideration in young patients.
Patient concerns: The patient was admitted to our hospital for a mass of 6 × 6 cm in her left breast.
Diagnose: A giant juvenile fibroadenoma.
Interventions: With the help of Mammotome, we translated the larger mass to smaller one and removed it via a small circumareolar incision with no residual tumor.
Outcomes: There was no recurrence of disease after 2 years.
Conclusion: Mammotome-combined resection is a new approach that can be used to excise giant fibroadenomas with a minimal incision, and provides a favorable contour to the breast.