trivia Flashcards
Is nipple enhancement normal on MRI?
yes
What is the definition of ‘architectural distortion’?
straigtening and tethering of cooper ligament
Shrinking breast should make you think of what disease?
invasive, lobular
Where are level I nodes located?
I = lateral to pec MINOR
Where are level II nodes located?
posterior to pec minor
Where are level III nodes located?
medial to pec. minor
Where are rotter nodes located?
between pec minor and pec major
What view is the sternalis seen on?
CC only
Where is the most common location for ectopic breast tissue?
axilla
What days of the cycle is breast MRI and mammo performed?
days 7-14
How is a milk fistula treated?
stop breast feeding
What does the posterior nipple line need to touch?
pectoralis
On CC view, a nipple to chest wall line needs to be within what distance of similarity of the posterior nipple line?
within 1 cm
What are the three situations to obtain an LMO rather than MLO?
pectus
kypohosis
central line/pacemaker lines
Will medial lesions on the MLO rise or fall on the lateral view?
rise (muffins rise)
How many cancers are we trying to find per 1000 mammograms?
3-8
Will lateral lesions on the MLO rise or fall on the lateral view?
fall
When would a BR2 (multiple bilateral masses) be ultrasounded?
if palpable
What are the three categories for mass description?
shape
margin
density
What are the three acceptable terms for the shapes of a breast mass?
round
oval
irregular
What are the five acceptable terms for the margin of a breast mass?
circumscribed
obscured
microlobulated
indistinct
spiculated
What is an asymmetry?
density seen only in one view
What is a focal asymmetry? What does it need?
density seen in two views
spot compression
What is a global asymmetry?
“greater volume of breast tissue than the contralateral side”
When is ‘background parenchymal enhancement’ characterized?
“first post contrast sequence”
What is the size of foci for breast MRI?
< 5mm
What is the size of mass for breast MRI?
> 5mm
What ‘view’ for dermal calcs?
tangential
When do secretory calcs appear?
10-20 years after menopause
What type of calcification is lucent in the center?
egg shell
What type of calcification needs to be visualized with a polarized light?
milk of calcium
What is Mondor Disease? How is it treated?
superficial thrombophlebitis
NSAIDs and warm compress
Is enlargement of a lipoma grounds for biopsy?
yes
How does phyllodes metastisize?
hematogenous
What are the four subtypes of IDC?
- tubular
- mucinous
- medullary
- papillary
What subtype of IDC has a favorable prognosis?
tubular
What subtype of IDC can have large axillary nodes?
medullary
What subtype of IDC can be cystic and solid?
papillary
What subtype of IDC will have a cancer in the contra-lateral breast 10-15% of the time?
tubular
What subtype of DCIS is more aggressive, comedo or non-comedo?
comedo
Does skin involvement upstage pagets?
No
What type of breast cancer is associated with pagets? How other?
DCIS
96% of time
What type of breast cancer cells lose e-cadherin?
Lobular
How does ILC look like on US?
“shadowing without mass”
What are the FIVE high risk lesions that must come out after a positive biopsy?
ADH
radial scar
ALH
LCIS
papilloma
What imaging modality is used to diagnose saline implant rupture?
mammo
What imaging modality is used to diagnose silicone implant rupture?
MR
What is an excisional biopsy?
removal of an entire lesion
What is an incisional biopsy?
surgical removal of a portion of the lesion
What are the three criteria for stage of T4 breast cancer?
any size with :
skin involvement
chest wall involvement
inflammatory
What is the size of T1 breast cancer?
< 2 cm
What is the size of T2 breast cancer?
2-5cm
What is the size of T3 breast cancer?
> 5cm
What % likelihood does someone need to receive screening breast MRI?
> 20-25%
How much chest wall radiation to get screening breast MRI? Starting when? How often?
> 20 Gy
age 25 or 8 years after event
annual
What is the % likelihood screening model name?
Tyrer-Cuzick
What is a Type 1 curve plateau?
persistent
What is a Type 2 curve plateau?
plateau
What is a Type 3 curve plateau?
warshout
How does a fibroadenoma look on MR?
T2 bright with non-ehnancing septa
Are most T2 bright lesions benign?
yes
What two T2 bright lesions are NOT benign on breast MR?
colloid cancer
mucinous cancer
What are the four cancers that Cowden Syndrome increases the likelihood of?
breast
follicular thyroid
endometrial
Lhermitte-duclos
Do pts get copies or actual mammogram?
actual
What is the required line pair resolution?
- 13 line pair/mm in anode to cathode direction
- 11 line pair/mm in left to right
What three things are required to be shown to pass image quality?
four fibers
three micro-calcification clusters
three masses
What are the three characteristics of a phantom?
- 50% glandularity
- 4,2 cm thick
- dose of 3 mGy (with grid)
Who runs MQSA?
FDA
