Finals > Breast > Flashcards

Breast Flashcards

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1
Q

Things to look for in breast exam

A
  • assymetry
  • scars
  • implants
  • tethering
  • nipple eversion/inversion
  • nipple discharge
  • colour
  • peau d’orange
  • paget’s disease of the nipple
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2
Q

what is peau d’orange

A

irregular patch of skin assoc with inflammatory breast cancer

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3
Q

what is paget’s disease of the nipple

A

erythematous, scaly rash of nipple

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4
Q

how to assess a breast lump

A
  • location
  • size
  • shape
  • consistency
  • margins
  • mobile or fixed
  • tenderness
  • skin colour
  • nipple discharge
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5
Q

what does assessment of a breast lump entail

A

triple assessment
- clinical
- imaging
- histology

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6
Q

signs suggestive of breast cancer

A
  • Lumps that are hard, irregular, painless or fixed in place
  • tethered lumps
  • Nipple retraction
  • Skin dimpling or oedema (peau d’orange)
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7
Q

what is fibroadenoma

A

common benign tumours of stromal/epithelial breast duct tissue
- smooth and mobile
- 20 to 40 yrs
- painless
- well circumscribed
- <3cm

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8
Q

what is fibrocystic breast changes

A
  • response to oestrogen and progesterone to become fibrous and cystic
  • benign
  • lumpiness
  • breast pain/tenderness
  • fluctuation of breast size
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9
Q

Mx of fibrocystic breast change

A
  • supportive bra
  • NSAIDs
  • avoid caffeine
  • apply heat to the area
  • hormonal treatments (danazol and tamoxifen)
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10
Q

What are breast cysts

A
  • benign individual fluid filled lumps
  • 30-50yrs
  • smooth, well circumscribed, mobile lump
  • possibly fluctuant
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11
Q

what is fat necrosis

A

benign lump formed by localised degeneration and scarring of fat tissue in the breast
can be assoc with oil cyst
no increased risk of cancer

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12
Q

trigger for fat necrosis

A

trauma
radiotherapy
surgery

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13
Q

presentation of fat necrosis

A

painless, firm, irregular, fixed in local structures, dimpling or nipple inversion

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14
Q

what is a lipoma

A

benign tumours of adipose tissue
soft, painless, mobile, no skin changes
conservative mx

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15
Q

what is a galactocele

A
  • in lactating women after stopping breastfeeding
  • breast milk filled cysts that occur when the lactiferous duct is blocked, preventing the gland from draining milk.
  • firm, mobile, painless lump, beneath the areola
  • benign
  • resolve without mx
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16
Q

what is a phyllodes tumour

A

rare tumours of connective tissue of the breast
40-50 yrs
large and fast growing
benign, borderline or malignant

Mx- surgical removal

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17
Q

what is mastalgia

A

breast pain
cyclical or non-cyclical

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18
Q

what is cyclical breast pain

A
  • related to hormonal fluctuations
  • more common
  • bilateral and generalised pain
  • heaviness
  • aching
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19
Q

what is non-cyclical breast pain

A
  • 40 to 50yrs
  • more localised
    can be caused by:
  • medications (contraceptives)
  • infection (mastitis)
  • pregnancy
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20
Q

what do you need to exclude with mastalgia presentation

A
  • cancer
  • infection (mastitis)
  • pregnancy
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21
Q

Mx of mastalgia

A
  • supportive bra
  • NSAIDs
  • avoid caffeine
  • heat
  • hormonal treatments (danazol and tamoxifen)
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22
Q

what is gynaecomastia

A

enlargement of the glandular breast tissue in males

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23
Q

causes of gynaecomastia

A
  • prolactinoma
  • dopamine antagonists (antipsychotics)
  • idiopathic
  • physiological
  • obesity
  • testicular cancer (leydig)
  • hyperthyroidism
  • hCG secreting tumour
  • testosterone deficiency
  • Klinefelter’s
  • anabolic steroids
  • spironolactone
  • alcohol, opiates & weed
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24
Q

Mx of gynaecomastia

A

treat underlying cause
if persistent
- tamoxifen
- surgery

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25
what is galactorrhoea
breast milk production not associated with pregnancy or breastfeeding. Breast milk is produced in response to the hormone prolactin
26
causes of hyperprolactinaemia
- idiopathic - prolactinoma - endocrine disorder: hypothyroidism and PCOS - antipsychotic meds
27
other sx assoc with galactorrhoea
Prolactin suppresses gonadotropin-releasing hormone (GnRH) by the hypothalamus, leading to reduced LH and FSH release. - Menstrual irregularities, particularly amenorrhoea - Reduced libido - Erectile dysfunction - Gynaecomastia
28
conditions that cause non milk nipple discharge
- Mammary duct ectasia - Duct papilloma - Pus from a breast abscess
29
what is mammary duct ectasia?
benign condition where there is dilation of the large ducts in the breasts inflammation --> intermitten discharge (white, grey, green)
30
demographic for mammary duct ectasia
perimenopausal smoking = RF
31
presentation of mamary duct ectasia
- Nipple discharge - Tenderness or pain - Nipple retraction or inversion - A breast lump (pressure on the lump may produce nipple discharge)
32
Mx of mammary duct ectasia
can self resolve - supportive bra - warm compress - abx if infection -surgical excision of affected duct
33
what is intraductal papilloma
warty lesion that grows within one of the ducts in the breast. It is the result of the proliferation of epithelial cells. benign can be assoc with hyperplasia/ breast cancer
34
presentation of intraductal papilloma
- 35-55 yrs - Nipple discharge (clear or blood-stained) - Tenderness or pain - A palpable lump
35
Mx of intraductal papilloma
complete surgical excision
36
what is lactational mastitis
inflammation of breast tissue and is a common complication of breastfeeding. It can occur with or without associated infection.
37
causes of mastitis
obstruction infection (staph A)
38
presentation of lactational mastitis
- Breast pain and tenderness (unilateral) - Erythema in a focal area of breast tissue - Local warmth and inflammation - Nipple discharge - Fever
39
Mx of lactational mastitis
- continue breastfeeding - heat pack and analgesia - flucloxacillin for infection
40
complication of lactational mastitis
breast abscess
41
what is candida of the nipple
Candidal infection of the nipple can occur, often after a course of antibiotics
42
presentation of candida of the nipple
- Sore nipples bilaterally, particularly after feeding - Nipple tenderness and itching - Cracked, flaky or shiny areola - Sx in the baby, such as white patches in the mouth and on the tongue (oral thrush), or candidal nappy rash
43
mx of candida of the nipple
Mother and baby need treatment: - Topical miconazole 2% to the nipple, after each breastfeed - Treatment for the baby (e.g., oral miconazole gel or nystatin)
44
what is a breast asbcess
collection of pus within an area of the breast, usually caused by a bacterial infection. This may be a: - Lactational abscess - Non-lactational abscess
45
what is pus
thick fluid produced by inflammation. It contains dead white blood cells of the immune system and other waste from the fight against the infection
46
causes of breast abscess
- Staph A (MC) - Streptococcal species - Enterococcal species - Anaerobic bacteria (such as Bacteroides species and anaerobic streptococci)
47
presentation of breast abscess
- acute - Nipple changes - Purulent nipple discharge - Localised pain - Tenderness - Warmth - Erythema - Hardening of the skin or breast tissue - Swelling - swollen fluctuant tender lump - fever
48
Mx of breast abscess
analgesia abx incision and drainage MC&S of fluid
49
most common cancer in the UK
breast
50
RFs for breast cancer
- increased oestrogen exposure - obesity - smoking - FH - female - more dense breast tissue - COCP - HRT
51
genes involved with breast cancer
BRCA 1(chr17) and 2 (chr13) also increases ovarian cancer more BRCA1. BRCA2 prostate cancer risk
52
types of breast cancer
- ductal carcinoma in situ - lobular carcinoma in situ - invasive ductal carcinoma - invasive lobular carcinoma - inflammatory breast cancer - paget's disease of the nipple - medullary - mucinous - tubular
53
describe DCIS
- Pre-cancerous or cancerous epithelial cells of the breast ducts - Localised to a single area - Often picked up by mammogram screening - Potential to spread locally over years - Potential to become an invasive breast cancer (around 30%) - Good prognosis if full excised and adjuvant treatment is used
54
describe LCIS
- A pre-cancerous condition occurring typically in pre-menopausal women - Usually asymptomatic and undetectable on a mammogram - Usually diagnosed incidentally on a breast biopsy - Represents an increased risk of invasive breast cancer in the future (around 30%) - Often managed with close monitoring (e.g., 6 monthly examination and yearly mammograms)
55
describe invasive ductal carcinoma
- Originate in cells from the breast ducts - 80% of invasive breast cancers fall into this category - Can be seen on mammograms
56
Describe invasive lobular carcinomas
- Around 10% of invasive breast cancers - Originate in cells from the breast lobules - Not always visible on mammograms
57
describe inflammatory breast cancer
- 1-3% of breast cancers - Presents similarly to a breast abscess or mastitis - Swollen, warm, tender breast with pitting skin (peau d’orange) - Does not respond to antibiotics - Worse prognosis than other breast cancers
58
describe paget's disease of the nipple
- Looks like eczema of the nipple/areolar - Erythematous, scaly rash - Indicates breast cancer involving the nipple - May represent DCIS or invasive breast cancer - Requires biopsy, staging and treatment, as with any other invasive breast cancer
59
what is breast cancer screening
mammogram every 3 years 50-70yrs
60
presentation of breast cancer
- Lumps that are hard, irregular, painless or fixed in place - Lumps may be tethered to the skin or the chest wall - Nipple retraction - Skin dimpling or oedema (peau d’orange) - Lymphadenopathy, particularly in the axilla
61
referral criteria for suspected breast cancer
- An unexplained breast lump in patients aged 30 or above - Unilateral nipple changes in patients aged 50 or above (discharge, retraction or other changes) - An unexplained lump in the axilla in patients aged 30 or above - Skin changes suggestive of breast cancer
62
breast imaging modalities
- USS in <40s - mammograms >40
63
breast cancer receptors
- Oestrogen receptors (ER) - Progesterone receptors (PR) - Human epidermal growth factor (HER2) Triple-negative breast cancer is where the breast cancer cells do not express any of these three receptors. This carries a worse prognosis, as it limits the treatment options for targeting the cancer.
64
most common sites of metastasis in breast cancer
2Ls and 2Bs - L: lungs - L: liver - B: bones - B: brain
65
Mx of breast cancer
- surgery (mastectomy or breast-conserving +radiotherapy)
66
hormone treatments for breast cancer
ER positive - tamoxifen for premenopausal - aromatase inhibitors (post menopausal)
67
Mechanism of aromatase inhibitors
Reducing peripheral synthesis of oestrogen
68
Mechanism of selective oestrogen receptor modulators (tamoxifen)
Partial antagonism of the oestrogen receptor
69
mx for HER2 positive BC
Herceptin (trastuzumab) Perjet NERATINIB
70
when don't you use monoclonal antibodies
HER2 negative
71
which hormonal therapy is used for oestrogen receptor positive breast cancer
Tamoxifen- premenopausal (TAMPON) Anastrazole- postmenopausal (ANCIENT)
72
inheritance pattern of BRCA gene
autosomal dominant, therefore children have 50% chance of inheritance so do siblings
73
People who get called for earlier breast screening
- one 1st degree female relative diagnosed <40 y/o or one 1st degree male relative with breast cancer at any age, or one 1st degree relative with bilateral breast cancer where the first primary was diagnosed <50 years - two 1st degree relatives, or one 1st degree + one 2nd degree relative, with breast cancer at any age - one 1st degree or 2nd degree relative diagnosed with breast cancer at any age and one 1st/2nd degree relative with ovarian cancer at any age (one of these should be a first-degree relative) - three 1st/2nd degree relatives with breast cancer at any age
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