Unknown Case 7

33 y/o F currently breastfeeding presents with a left breast palpable lump. What is the most likely diagnosis?


  • Most common benign pathology of lactation
  • Slowly growing painless lump
  • Usually develops after cessation of lactation
  • MG and US:
    • Fat-fluid level on mammo
    • Pseudohamartoma
    • Cystic/multicystic
  • Aspiration can reveal milk-like fluid within the mass
  • Does not require surgical excision