Epidemiology/common features

  • Common (17% of women); usually solitary masses (90%)
  • More common in women of afro-caribbean descent
  • Peak incidence in mid-late 30s
    • commonly 2-3cm (up to 8cm)
    • well-circumscribed but not encapsulated
    • lobulated, grey-white myxoid (stromal/connective tissue)


  • Presents as a painless, firm, discrete, mobile mass
    • ‘breast mouse’
    • solid on USS (not cystic)


  • Exclude malignancy
  • Reassure
  • Excise if problematic (most will involute and regress after the menopause)

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: