Thursday - breast diseas clinical - Onello Flashcards
(30 cards)
why do men have nipples
until week 6, development is about the same in m/f.
gland development is due to placental hormones
polythelia polymastia athelia amastia thelarche
too many nips too many boobs no nips no boobs onset of secondary breast development ~12yo
tanner staging 1-5
breast
1 - preadolecent - elevated, no glandular tissue or increased pigmentation
2 - glandular tissue. nip and breast are single mound
3 - increased glandular. increased diameter and pigmentation
4 - nipple and areola form mound above breast
5 - nipple protrudes more
tanner staging 1-5
female genitals
1 - no pubic hair 2 - strait hair between labia 3 - more hair, gets darker 4 - hair is dense and curled 5 - more abundant - may go to thigh
tanner staging 1-5
male
1 - no hair
2 - light hair, scrotum becomes more textured
3 - hair goes to penis. testes and penis larger
4 - more hair, curling. glans gets bigger
5 - hair goes to thighs
gynecomastia causes
normal development usually
kleinfelters testicular feminization hormone tumor hyper/o thyroid cirrhosis drugs obesity
breast feeding is more common in:
weathy
eductaed
white
non-smoker
continuing breastfeeding
less than 35% are exclusively breast feeding @ 4 mo
recommended for 6mo
choosing treatment for sore breast
lactMed website
- says Dicloxacillin is safe
history q’s on breast exam
duration (pain/discharge) change over time relationship to menses fam hx gyn/endo hx
breast exam
good/bad findings
inspect supine skin changes discharge? clavicular and axillary nodes masses?
fine - smooth, mobile, well demarcated
bad - firm, irregular, fixed, skin thethering, ulceration, edema, nipple scaling, contour change
bi-rads
breast imaging reporting and data system category 0-6 0- incomplete 1 - negative routine 2 - benign finding 3 - probably benign finding - short f/u 4 - suspicious --> biopsy 23-33% risk 5 - highly suggestive - biopsy, 95% risk 6 - known malignancy
Ultrasound for breast screening
best for 30 yo or younger
fibroadenoma vs cyst
cyst is anechoic
- lots of through transmission behind cyst
MRI for breast advantages
disadvantages
sensitive for small changes
good for dense breasts
used to determine if need surgery/type
takes long time
expensive
non-specific
can’t see calcifications
SCINTIMAMMOGRAPHY
uses Tc99m - concentrates in mitochondria
best for palpable lesions
not used for screening
PET scan
metabolic activity
shows vascularization/ox consumption
expensive
race differences in breast cancer
highest in whites
lowest in hispanics
Fibroadenoma
benign. 20-30 y/olds
smooth round, mobile, affects by menses, usuall painless
hyperplastic of single duct
10% go away spontaneously
cystadenoma phylloides
painless. cellular stroma, nuclear atypis, mitotic figures
excise with wide margins
Abcess
usually staph or strep
cyst
fluid filled, mobile round, non-tender
watch for 2-3 mo. aspiration
trauma
usually cant recall
fibrotic scar/calcification - need tissue diagnosis
tx = watch it
fibrocystic changes
common
usually bilateral
increase size and pain near menses