Fibroadenoma

Question 1

Define:

Answer 1

Benign overgrowth of the collagenous mesenchyme of one of the breast lobules

Question 2

Aetiology/risk factors:

Answer 2

Formed from a mixture of collagenous mesenchyme of one breast lobule

Question 3

Epidemiology:

Answer 3

15-35 years most commonly

Question 4

Symptoms:

Answer 4

Firm, smooth, rubbery and mobile lump

Painless

Can come in multiples

Question 5

Signs:

Answer 5

Firm, smooth and mobile lump

Question 6

Investigations:

Answer 6

Triple assessment

imaging will show round or oval, circumscribed lumps which may have course calcifications

Biopsy will show epithelial and stromal elements

Question 7

Management:

Answer 7

Reassurance and observation

If unsure USS +/- FNA

If large/ causing pain/ patient prefers then surgical excision using excision biopsy

Question 8

Complications:

Answer 8

Rare

Question 9

Prognosis:

Answer 9

Benign and so usually treatment is not needed

1/3 regress, 1/3 stay the same, 1/3 get bigger