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RAD fun > MG > Flashcards

MG Flashcards

1
Q

danger zone ?

A

med/inf FG tx. where ca hide

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2
Q

where does most BCA start

A

TDLU

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3
Q

MCL of ectopic Br tx

A

axilla

2nd: infamammary fold

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4
Q

modality of choice in pregnant or lactating lady ?

A

US

dense Br&raquo_space; low MG Sn

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5
Q

MCL of galactocele?

A

subareoloar

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6
Q

lactating adenoma

A
  • look like FA
  • estrogen dependent
  • FU 4-6 mo postpartum, post delivery
  • regress rapidly after you stop lactation
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7
Q

LMO done in ?

A

kyphosis/pectus exca

central line, pacemaker

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8
Q

NO BR-3 if ?

A

palablae
new/growing
on SG MG

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9
Q

shape on US, MG, MR?

A

Round
oval
irregular

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10
Q

MR margin

A

IRREGULAR
spiculated
circusm

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11
Q

enlarging Lipoma Mx?

A

Bx

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12
Q

PASH MX

A

FU annually

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13
Q

phylliod tum ca risk

A 
10% >> degenration
large > 3 cm
might harbour IDC, DCIS, ILC or sarcoma. 
mets > lung hematogenous
Rx: Sx with wide margin > 2 cm.
high rate of recurrance if < 2 cm. 
no CTx ot RTx 
FU every 6 month?3yr
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14
Q

Round IDC DDx

A

mucinous

medullary ( +calc, might have + Ax LAD, lymphiod infiltration on path, BRCA1)

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15
Q

ILC

A 
dark starolder pt > IDC
US: shadowing w/o a mass
washout is less common than IDC
Ax mets less common
1/5 missed on MG
1/3 b/l
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16
Q

MQSA physician req

A

240/6 mo/ last 2yr
960/24 mo
8 CME new
15 CME/36 mo

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17
Q

MG facility inspected by FDA each.

eval their physicians compliance

A

year

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18
Q

BRCA1

A

ADD
CH. 17 tumor supressor gene
life time risk of BCA: 50-85%

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19
Q

MG paddle

A
  • 18X24, 24X30 cm.
  • 25-45 Ib.
  • collimate to detector not br contour.
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20
Q

ab interpretation rate = recall rate

A

no. of BR 0, 4,5/ total SG MG

only count SG

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21
Q

DG interpretation rate

A

BR 4,5 on DG/ total DG

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22
Q

cancer detection rate?

A

+ve Bx/ total SG

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23
Q

PEG direction on MRI

A

Ax: LT > RT
Sag: Sup > inf

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24
Q

DAILY QC for screen film

A

darkroom cleaniness

processor QC

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25
Q

Weekly QC?

A

screen cleanliness
phantom
viewbox cleanliness

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26
Q

Montly?

A

Visual checklist

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27
Q

Quarterly

A

repeat analysis

analysis of fixer retention

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28
Q

Semi-annually

A

darkroom fog
screen-film contact
compression

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29
Q

ghost artifact on MG 2/2

A

low temp dtector&raquo_space; warm it up

30
Q

readout failure artifact 2/2

A

software failure.

31
Q

GAD Dose use in MRI Br

A

0.1 mmol/kg

32
Q

detector interface line on MG

A

2/2 Se based detector. slight differ in caliber of two halves of the detector

33
Q

SG MG

A 
cancer detection ra te > 2.5
recall rate: 5-12%
PPV1: 3-8%
PPV: 20-40%
Sn > 75%
Sp 88-95%
34
Q

malg risk in calc

A

coarse hetro: 13%
amorph: 21%
fine pleo 29%
fine branching > 80%

35
Q

HER2 +ve Px

A

more aggressive vs HER2 negative&raquo_space; rapid growth and spread
20% of BCA
less responsive to hormonal Rx.

36
Q

MCL of BCA in male

A

subarloar ( only 1% in F)

37
Q

Interval ca?

A

cancer detected between SG MG.

lobular or mucinous

38
Q

male w/ palable mass < 30 ?

A

US

39
Q

MBI

A

whole body radiation
Br density does not matter Sn for all
During active phase: b/l patchy GH tX uptake is expected

40
Q

B/l Br edema

A 
LAD
SVC obstruction 
Psoriasis 
Scleroderma 
Dermatocytitis
41
Q

Poland synd ass cn?

A

Lung
bCA
Lymphoma leukemia

ARD

42
Q

CI to B RTx

A

Preg
Hx of Rad
Multi centric or diffuse disease
CVD

43
Q

Focal fibrosis in Post-M

A

HRT

Usually seen in pre-M

44
Q

When post Sx or RTx C+ subsides ?

A

String until 9 No

Starts to subside 10-18 months

Very low more than 24 mo

45
Q

Milk fistula risk w/ percut Bx?

A

Low
Higher with Sx Bx

Start w/ percut one. Should not preclude you from Bx high risk lesion

46
Q

Percentage of Contralateral detected BR cancer ?in MR

A

3-5%

47
Q

MBI

A

Small FOV
Rad dose higher than MG
Not affected by density

48
Q

Cysts in men

A

Men don’t undergo lobular development so no B9 FCC

Concerning finding

49
Q

Round lesion in US BIRAD?

A

4

3» oval

50
Q

Fetal dose from SG MG is

A

<50 mGy

Risk of organ mal and mental retardation > 100mGy if done 3-8 wk

51
Q

MC mets to BR

A

1st: BCA
2nd: Melanoma

52
Q

RF of gynecomastia

A 
Liver failure
thyriod dis ( high and low)
meds: TCA, pred
hypogonadism
testicular failure
mump
KF
COPD
DM

Uni: 45%

53
Q

PASH growing next?

A

excitional Bx because risk of low grade angiosarcoma. they look alike

54
Q

ADH upgrade rate?

A

1 in5

11-50%

55
Q

Inflam BCA

A

!% only
skin thickening
T4

56
Q

Intraductal pap MX

A

Consevative

if atypical or atypia detected&raquo_space; Sx excitional Bx

57
Q

compression?

A
  • decreased dynamic range
  • decreased dose
  • increased resolution, contrast.
  • decreased
58
Q

is ASA or AC safe with breast Bx?

A

yes

not for colipdegrol

59
Q

MC compl of Br Sx

A

seroma

60
Q

absolute CI of breast conservative Rx ( lump + RTx)

A

1st, 2nd tri preg
Hx of RTx
multicentric diz or diffuse malg calc
positive margin despite wide resection

61
Q

relative CI of breast conservative Sx

A

CVD

poor cosomtic outcome.

62
Q

next step if there is imaging-histo discordance follwoing stero or MR Bx>

A

SX

dont repeat stearo or MR Bx

63
Q

Max lidocaine dose w/ epi?

A

7mg/kg, not > 500 mg total

ratio: 1:100,000

64
Q

Max lido w/o epi?

A

4.5 mg/kg, not > 300 mg total

65
Q

T/F ALH has to get Sx Bx ?

A

FALSE

66
Q

compl of percutanous US guided Bx includes?

A

pseudoaneyrsm

67
Q

ghalactography dose ?

A

0.2-0.3 ml, dont exceed 1.0 ml
30 G needle
if the pore duct is not identified >> dont do it
only for single, Unilat, spontanous duct.
only bloody, serous, or yellow discharge.

WHITE or GREEN discahrge&raquo_space;» B9
if there is ab&raquo_space; loc w/ Bx marker or wire during ductoram, not straightforward to sX

DOnt Bx based on stero, you cant see the ab

68
Q

superficial tx lido buffered with NaHCO4 w/ ratio of?

A

1:9

69
Q

flat epitheleal atypia upgrade rate?

A

1/3 to high risk lesion or DCIS OR IDC

70
Q

ICL FN rate?

A

21%

71
Q

Electronic mag results in ?

A

Same dose and SR
But more noise

Vs geometric mag

72
Q

MBI detector

A

Cadmium zinc tellirude

RAD fun (17 decks)

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