A 30-year-old woman presents with a 1 cm smooth, mobile, rubbery breast lump that is painless and has been present for 6 months. Ultrasound shows a well-circumscribed, hypoechoic lesion with posterior acoustic enhancement. What is the most likely diagnosis?
- A Phyllodes tumor
- B Invasive ductal carcinoma
- C Fibroadenoma ✓
- D Breast cyst
Correct answer: C. Fibroadenoma
Explanation
Fibroadenoma is the most common benign breast tumor in young women, presenting as a painless, mobile, well-circumscribed lump. Ultrasound typically shows a hypoechoic lesion with posterior enhancement. Phyllodes tumors are rarer and usually larger, while carcinoma is hard and irregular.
Reference: Bailey and Love's Short Practice of Surgery, 28th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.