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Surgery and other stuff > Breast CA bit > Flashcards

Breast CA bit Flashcards

1
Q

What are the two types of tissue that can develop into CA?

A

Ductal

Parenchymal

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2
Q

What happens with breast tissue with increasing age? What is the consequence of this for imaging?

A

Fatty increase, better for imaging

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3
Q

What are the five characteristics of imaging for breast tissue?

A
  1. Shape
  2. Margin
  3. Orientation
  4. Echo
  5. Posterior features
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4
Q

Black hole on a US mean white?

A

Hypoechoic = more likely to by cystic

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5
Q

Lot of whiteness on US signifies what?

A

Highly dense tissue–more likely to be cancerous

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6
Q

What is shadowing in the context of ultrasound?

A

dense structure interfering with the echo

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7
Q

What is isoechoic?

A

Equally hyper and hypoechoic

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8
Q

What are the classical findings of a cyst on US?

A

Black ball with shadowing posterior to it

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9
Q

Fibroadenoma looks like what on US?

A

Heterogenous circle

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10
Q

What are the characteristics of malignancies on US?

A

big mangled mas of stuff wwo small densities all up in it

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11
Q

Spiculation is what and is concerning for what?

A

Black lines that spew out all over the place

CA

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12
Q

What is the gold standard for breast CA prevention?

A

Mammography

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13
Q

What happens to the sensitivity of mammography with extremely dense breast tissue?

A

Lowers

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14
Q

What are the most worrisome findings on a mammography?

A

Microcalcifications

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15
Q

What are the clips used for in breast imaging?

A

mark the site of biopsy

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16
Q

When are microcalcifications particularly concerning?

A

When grouped together

17
Q

BIRADS score is sued for what?

A

How likely a pt is to have breast CA based on imaging

18
Q

What is a 0 on the BIRADs scoring?

A

Presence of a radiological finding requiring further evaluation

19
Q

What is a 1 on the BIRADs scoring?

A

No radiological finding is observed. The study is normal

20
Q

What is a 2 on the BIRADs scoring?

A

Normal, but has other features and should f/u later

21
Q

What is a 3 on the BIRADs scoring?

A

Probably normal, but there is 2% chance of CA. F/u in 6 mo

22
Q

What is a 4 on the BIRADs scoring?

A

Suspicious lesions that need biopsy

23
Q

What is a 5 on the BIRADs scoring?

A

Highly suspicious for breast CA. Biopsy again needed

24
Q

What is a 6 on the BIRADs scoring?

A

Confirmed breast CA by radiologist and pathologist

25
Q

What is a partial mastectomy?

A

taking out a portion of the breast tissue

26
Q

What is a sentinel lymph node?

A

First lymph node that will harbor CA

27
Q

What is the dye used for breast lymph node evaluation?

A

Technetium

28
Q

What is a faxitron?

A

machine used for visualizing breast tissue biopsy

Surgery and other stuff (25 decks)

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