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Mammo > BI-RADS > Flashcards

BI-RADS Flashcards

1
Q

Category 0

A

Incomplete, needs additional imaging

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2
Q

Category 1

A

Negative; routine mammo screening

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3
Q

Category 2

A

Benign; routine mammo screening

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4
Q

Category 3

A

Probably benign; short interval 6 month f/u or continued surveillance

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5
Q

Category 4

A

Suspicious; tissue diagnosis

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6
Q

Category 4A

A

Low suspicion for malignancy

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7
Q

Cat. 4B

A

Moderate suspicion for malignancy

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8
Q

Cat 4C

A

High suspicion for malignancy

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9
Q

Category 5

A

Highly suggestive of malignancy; tissue diagnosis

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10
Q

Category 6

A

Known biopsy proven malignancy; surgical excision when clinically appropriate

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11
Q

How will a mass be described?

A

According to its shape, density, and margin

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12
Q

Different shapes of a mass

A

1) round (benign shape)
2) oval (benign shape)
3) irregular (malignant shape)

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13
Q

Different margins of a mass

A

1) circumscribed (well rounded)- benign
2) indistinct (not like any other)- malignant
3) speculated (fingers growing off)- malignant
4) obscured (see only part of it)- benign
5) micro-lobulated (bumpy)- benign or malignant

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14
Q

Diffused calcification

A

Random throughout breast

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15
Q

Regional calcification

A

Occupying a large portion of the breast

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16
Q

Grouped calcification

A

Few calcifications occupying a small portion of the breast

17
Q

Linear calcification

A

Arranged in a line

18
Q

Segmental calcification

A

Deposits in a duct or ducts and their branches

19
Q

Calcifications typically benign

A

-round
-dystrophic (calcs in scar tissue)
-skin calcs
-vascular cals
-rimed or halo
-milk of calc
-rod like
-popcorn shape

20
Q

Amorphous or indistinct calcs

A

Small and hazy, specific shape cannot be determined. 20% biopsied are malignant

21
Q

Coarse heterogeneous calcs

A

Irregular calcs clearly visible, (bright anf chunky) between 0.5 mm and 1 mm. About 15% biopsied are malignant

22
Q

Fine pleomorphic calcs

A

Have individual, separate, and distinct shapes; usually <0.5 mm about 25-40% chance of being malignant

23
Q

Fine linear branching calcs

A

Thin, linear irregular calcs, may be discontinuous, occasionally branching forms can be seen <0.5 mm

24
Q

Cyst

A

Mass with sac like pocket that contains fluid, air, or other substances. Often circumscribed and see through

25
Q

Simple cyst

A

-Fluid filled, smooth thin walls.
-always benign

26
Q

Complex cysts

A

-Contain something besides fluid
-f/u or biopsy

27
Q

Galactocele

A

-milk filled cyst
-occurs more after breastfeeding has stopped; milk is retained and becomes stagnant within breast ducts
-always benign, does not increase bc risk

28
Q

Fibroadenoma

A

-benign tumors composed of stromal and epithelial elements (multiple might indicate increased risk of bc)
-common in younger women

29
Q

Lipoma

A

-pocket of fat encapsulated by thin fibrous capsule (common)
-slow growing tumors more common in post menopausal women

30
Q

Hamartoma (fibroadenolipoma)

A

-benign proliferation of fibrous, glandular, and fatty tissue
-surrounded by thin capsule of connective tissue

31
Q

Ductal ectasia

A

-lactiferous duct widens, duct walls thicken and duct is filled with fluid
-milk duct may be blocked by thick, sticky substance
-can cause green or black discharge
-in peri or post menopausal women
-does not increase bc

32
Q

Hematoma

A

-blood filled swelling caused by trauma to the breast (common after biopsy)
-not cancerous
-may leave behind scar tissue

33
Q

Breast abscess and inflammation

A

-occur as complication of mastitis (bacterial infection that causes breast to become red and inflamed)
-usually in women breaststroke

34
Q

Fat necrosis (oil cyst)

A

-damaged or dead tissue
-can happen following needle biopsy, breast surgery
-feels like a firm lump, usually painless
-does not increase risk of bc
-usually goes away itself

35
Q

Lymph nodes

A

-small clumps of immune cells that act as filters for lymphatic system
-lymphatic system runs throughout entire body and carries fluid and cells
-axillary lymph nodes are first place bc is likely to spread

36
Q

Radial scar

A

-Area of hardening of breast tissue that can occur as breast ages
-stellate configuration (speculated); can mimic malignancy
-Self-limiting breast tumor that is a result of a new disorganized cell growth.

37
Q

Papilloma (benign and high risk)

A

-tumor growing in the ducts inside the nipple with finger like fronds
-may cause nipple discharge or bleeding
-surg. to remove

38
Q

Lobular Carcinoma (LCIS)

A

-not considered to be cancer
-having LCIS does increase risk of bc
-does not cause a lump and can’t be seen on mammo; found when biopsy is done for another problem in the breast

Mammo (16 decks)

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