Breast Cysts

Question 1

What are Breast Cysts?

Answer 1

Benign fluid-filled sacs

Question 2

Describe the aetiology of Breast Cysts

Answer 2

Usually disappear after menopause; related to hormone changes
Exact cause unknown

Question 3

Describe the epidemiology of Breast Cysts

Answer 3

Common in >35 yrs esp perimenopausal

Question 4

Describe the appearance of Breast Cysts

Answer 4

Small lump
Rounded
Fluid-filled
Not fixed to surrounding tissue

Question 5

List 3 symptoms of Breast Cysts

Answer 5

Breast pain
Tenderness
Increased lump size + tenderness just before menstruation

Question 6

How are Breast Cysts investigated?

Answer 6

Triple assessment

Question 7

What is seen on imaging of Breast Cysts?

Answer 7

Simple cysts, well-circumscribed with sharp borders.
USS better for cystic masses
(Mammography can’t distinguish between cystic + solid masses)

Question 8

What investigation confirms Breast Cysts?

Answer 8

Aspiration

Cyst fluid not sent for cytology unless uniformly bloodstained

Question 9

How are Breast Cysts managed?

Answer 9

Can be safely left in situ
Best practice to aspirate the cyst at 1st presentation to confirm dx + relieve physical Sx + anxiety of having a breast lump.

Question 10

How are women with large numbers of breast cysts be managed?

Answer 10

Should not be subjected to repeated aspirations unless the cysts are causing intolerable symptoms or there is clinical concern.