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R1 > Mamm > Flashcards

Mamm Flashcards

1
Q

What findings can get a BI-RADS 3? (6)

A
  • noncalcified circumscribed solid mass
  • focal asymmetry
  • solitary grp of punctate calcifications
  • typical fibroadenoma
  • isolated complicated cyst
  • clustered microcysts
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2
Q

What is the recommendation for BI-RADS 3?

A
  • unilat short term 6mo fu
  • if stable, bilat 12 mo fu (from time of screening)
  • if stable, another 24 mo fu (from time of screening)
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3
Q

BI-RADS 3 lesion –> followed for 2 years –> stable –> then what?

A

categorized as BI-RADS 2 –> back to routine screening

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4
Q

BI-RADS 3 –> likelihood of cancer (%)?

A

<2%

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5
Q

BI-RADS 3 –> what category is it?

A

probably benign

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6
Q

BI-RADS 4 –> what category is it?

A

suspicious

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7
Q

What is the recommendation for BI-RADS 4?

A

biopsy should be considered

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8
Q

BI-RADS 4 –> likelihood of cancer (%)?

A

2-95%

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9
Q

what are the subcategories of BI-RADS 4? What are their % likelihood of cancer?

A
  • 4A: low suspicion for malignancy (2-10%)
  • 4B: mod (10-50%)
  • 4C: high (50-95%)
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10
Q

What findings can get a BI-RADS 4A? (3)

A
  • partially circumscribed mass, suggestive of (atypical) fibroadenoma
  • palpable, solitary, complex cystic and solid cyst
  • probable abscess
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11
Q

What findings can get a BI-RADS 4B? (3)

A
  • grp amorphous or fine pleomorphic calcifications

- nondescript solid mass w indistinct margins

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12
Q

What findings can get a BI-RADS 4C? (2)

A
  • new grp of fine linear calcifications

- new indistinct, irregular solitary mass

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13
Q

What category is BI-RADS 5?

A

highly suggestive of malignancy

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14
Q

BI-RADS 5 –> % likelihood of cancer?

A

> 95%

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15
Q

What findings can get a BI-RADS 5? (3)

A
  • spiculated, irregular high density mass
  • segmental or linear arrangement of fine linear calcifications
  • irregular spiculated mass w assoc pleomorphic calcifications
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16
Q

80F –> screening –> new circumscribed mass –> ddx? (3)

A

since new –> most likely malignancy:

  • mucinous CA
  • papillary
  • medullary
17
Q

inflammatory breast cancer –> histologic pathognomonic finding?

A

dermal lymphatic invasion

18
Q

DCIS –> classic MRI pattern of enhancement?

A

clumped non-mass enhancement in ductal distribution

19
Q

fibrocystic change –> MRI pattern of enhancement?

A

diffuse stippled background enhancement

20
Q

core needle bx –> LCIS –> next step?

A

surgical excision

21
Q

male –> palpable breast mass –> most likely dx?

A

gynecomastia

22
Q

diabetic mastopathy –> classic sonographic findings

A

irreg hypoechoic mass –> marked posterior acoustic shadowing

23
Q

pseudoangiomatous stromal hyperplasia –> what is it? etiology?

A

benign stromal overgrowth derived from possible hormonal etiology

24
Q

BI-RADS 3 category lesion –> next step would be bx in what situation?

A

patient not able to comply with followup

25
Q

breast MRI –> kinetic curve enhancement pattern –> which has highest PPV for CA?

A

wash out

26
Q

ruptured implant –> MRI noncontrast or MRI with/wo?

A

noncontrast

27
Q

last 6mo of residency –> how many mammo studies needed?

A

240

28
Q

what are the 3 types of kinetic curves for breast MRI? what is their significance?

A

I persistent: benign
II plateau: concerning for malig
III washout: strongly suggestive of malignancy

29
Q

MQSA –> phantom testing –> how often?

A

wkly

30
Q

MQSA) requirements state that a facility must send each patient a summary of the mammography report within how many days?

A

30day

31
Q

Approximately what percentage of breast cancers occur in men?

A

1%

32
Q

invasive lobular CA –> accounts for 20% of all breast CA cases –> T/F?

A

F

10%

33
Q

invasive lobular CA –> typical US appearance –> ill-defined hypoechoic mass –> T/F?

A

T

R1 (15 decks)

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