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HA Ch.21-24 Summer2013 > Chapter 21 The breast > Flashcards

Chapter 21 The breast Flashcards

1
Q

Glandular (milk-producing) component of the breast lobule

A

Acinus (acini)

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2
Q

The pigmented skin surrounding the breast nipple

A

Areola

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3
Q

Armpit

A

Axilla

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4
Q

Differentiated apocrine sweat gland with a functional purpose of secreting milk during lactation

A

Breast

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5
Q

Connective tissue septa that connect perpendicularly to the breast lobules and extend out to the skin

A

Cooper’s ligaments

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6
Q

Middle layer of the breast tissue that contains the ductal, glandular, and stromal portion of the breast

A

Mammary layer

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7
Q

Deepest of the three layers of the breast noted on breast ultrasound

A

Retromammary layer

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8
Q

Most superficial of the three layers of the breast identified on breast ultrasound

A

Subcutaneous layer

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9
Q

Normal extension of the breast tissue into the axillary region

A

Tail of Spence

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10
Q

Smallest functional portion of the breast involving the terminal duct and its associated lobule containing at least one acinus

A

Terminal ductal lobular unit (TDLU)

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11
Q

Plane of imaging on ultrasound of the breast that is perpendicular to the radial plane of imaging

A

Antiradial

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12
Q

Without symptoms

A

Asymptomatic

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13
Q

Trademark system created by the American College of Radiology (ACR) to standardize mammographic reporting terminology, categorize breast abnormalities according to the level of suspicion for malignancy, and facilitate outcome monitoring

A

Breast imaging reporting and data system

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14
Q

Part of breast cancer screening best done at the end of menses each month

A

Breast self examination

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15
Q

Part of breast cancer screening done by a health care provider

A

Clinical breast examination

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16
Q

Type of breast imaging examination that is more extensive than routine screening mammography

A

Diagnostic breast imaging

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17
Q

Refers to vibrations produced by phonation and felt through the chest wall during palpation

A

Fremitus

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18
Q

Near the chest wall

A

Juxtathoracic

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19
Q

Echo texture that is more echogenic than the surrounding tissue

A

Hyperechoic

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20
Q

Can be felt on clinical examination

A

Palpable

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21
Q

Echo texture that resembles the surrounding tissue

A

Isoechoic

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22
Q

Plane of imaging on ultrasound of the breast

A

Radial

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23
Q

Represents the first lymph node along the axillary node chain

A

Sentinel node

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24
Q

Finger like extension of a malignant tumor

A

Spiculation

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25
Q

Cannot be felt on clinical examination

A

Nonpalpable

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26
Q

Without echoes

A

Anechoic

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27
Q

Having relatively weak echoes

A

Hypoechoic

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28
Q

Common diagnostic and interventional procedure that involves placing a needle through the skin of the breast into a cystic mass and pulling fluid out of the cyst through the needle

A

Cyst aspiration

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29
Q

Preventive care that includes annual screening mammography, (starting at age 40), monthly self-examination, and regular clinical breast examination

A

Breast cancer screening

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30
Q

Overgrowth of the stromal and epithelial elements of the acini within terminal ductal lobular unit (TDLU) of the breast

A

Adenosis

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31
Q

Form of fibrocystic change in which the epithelial cells at the acini undergo alteration

A

Apocrine metaplasia

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32
Q

The pathologist recognizes some, but not all features of ductal carcinoma in situ

A

Atypical ductal hyperplasia

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33
Q

Abnormal proliferation of cells with atypical features involving the TDLU, with an increased likelihood of evolving into breast cancer

A

Atypical hyperplasia

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34
Q

Shows some, but not all, of the features of lobular carcinoma in situ

A

Atypical lobular hyperplasia

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35
Q

Fluid-filled sac of variable size

A

Cyst

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36
Q

Proliferation (hyperplasia) of epithelial cells lining the terminal duct-lobular unit

A

Epithelial hyperplasia

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37
Q

Most common benign solid tumor of the breast, consisting primarily of fibrous and epithelial tissue elements

A

Fibroadenoma

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38
Q

Condition that represents different, essentially normal, tissue processes within the breast that in some patients become exaggerated to the point of raising concern for breast cancer

A

Fibrocystic condition

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39
Q

Surface erosion of the nipple characterized by redness with flaking and crusting caused by direct invasion of the skin of the nipple by underlying breast cancer

A

Paget’s disease

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40
Q

Descriptive term for skin thickening of a breast that resembles the skin of an orange

A

Peau d’orange

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41
Q

Cancer of the ductal epithelium; most common general category of breast cancer, accounting for approximately 85% of all breast cancers

A

Infiltrating ductal carcinoma

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42
Q

Cancer of the lobular epithelium of the breast, arises at the level of the TDLU

A

Infiltrating lobular carcinoma

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43
Q

Echo texture that resembles the surrounding tissue

A

Isoechoic

44
Q

Neither considered a true cancer nor treated as such

A

Lobular carcinoma in situ

45
Q

Term preferred by many authors to replace LCIS and atypical hyperplasia

A

Lobular neoplasia

46
Q

Breast cancer occurring in different quadrants of the breast at least 5cm apart

A

Multicentric breast cancer

47
Q

Breast cancer occurring in more than one site within the same quadrant of the same ductal system of the breast

A

Multifocal breast cancer

48
Q

Involves two main types of cells (ductal and lobular)

A

Breast cancer

49
Q

Hypertrophy of residual ductal element that persist behind the nipple in the male

A

Gynecomastia

50
Q

The breast is a modified ________ gland located in the superficial fascia of the anterior chest wall

A

Sweat

51
Q

Sonographically the breast is divided into three layers located between the skin and the pectoralis major muscle on the anterior chest wall. These layers are the ___________ layer, the ____________ layer, and the ___________ layer

A

Subcutaneous, mammary, and retromammary

52
Q

Fat is the least ___________ tissue within the breast

A

Echogenic

53
Q

The fatty tissue appears _____________, whereas the ducts, glands, and supporting ligaments appear echogenic

A

Hypoechoic

54
Q

The ______________ quadrants of the breast contains the highest concentration of lobes

A

Upper outer

55
Q

Each lobule contains __________ (milk-producing glands) that are clustered on the terminal ends of the ducts like grapes on a vine

A

Acini

56
Q

The ____________ muscle lies posterior to the retromammary layer

A

Pectoralis major

57
Q

The ______________ tissue can situate itself in and among the areas of glandular tissue, and in some scanning planes it can mimic isoechoic or hypoechoic masses

A

Adipose or fatty

58
Q

Sonographically, cancers can be difficult to differentiate in the fatty breast because most cancers appear __________ and can be difficult to differentiate from the normal breast tissue

A

Hypoechoic

59
Q

The main arterial supply to the breast comes from the internal ____________ and the lateral __________ artery

A

Mammary, thoracic

60
Q

Lymphatic drainage from all parts of the breast generally flows to the __________ lymph nodes

A

Axillary

61
Q

The primary function of the breast is _________ transport

A

Fluid

62
Q

The ___________ system is critical in the transport of fluids within the breast

A

Ductal

63
Q

An important function during the reproductive years is for the breast to make ___________from nutrients and water taken from the bloodstream

A

Milk

64
Q

Milk is produced within the ___________ and carried to the nipple by the ducts

A

Acini

65
Q

Breast development begins before _____________ and continues until the patient is approximately 16 years old

A

Menarche

66
Q

During this time of development, the ductal system proliferates under the influence of

A

Estrogen

67
Q

During pregnancy, acinar development is accelerated to enable milk production by estrogen, _________, and prolactin

A

Progesterone

68
Q

The hormone produced by the pituitary gland that stimulates the acini to produce and excrete milk is called _____________

A

Prolactin

69
Q

The expulsion of the placenta after the birth of a baby causes a drop in circulating progesterone, initiating _____________ production within the breasts

A

Milk

70
Q

The physical stimulation of suckling by the baby initiates the release of ____________ (produced by the hypothalamus and release by the pituitary gland), which further incites prolactin secretion, stimulating additional milk production

A

Oxytocin

71
Q

Full maturation of the acini occurs during lactation and thought to be mildly protective against the development of breast __________

A

Cancer

72
Q

Ultrasound may be used for screening purposes in ____________ breast that are __________ and difficult to penetrate by mammography, to evaluate palpable masses that are not visible on a mammogram, and to image the deep juxtathoracic tissue not normally visible by mammography

A

Young, dense

73
Q

Ultrasound is also useful in ___________ structures within uniformly dense breast tissue where mammography is limited (e.g.. in differentiating solid, round massed from fluid-filled cysts and visualizing tissue adjacent to implants or other structures that limit visualization by mammography

A

Differentiating

74
Q

A(n) ____________ aspiration can be performed to determine whether a lesion is a complex cyst or truly a solid mass

A

Cyst

75
Q

What basic clinical information must the sonographer have for any patient referred for breast ultrasound

A

Patients age
Risk factors for breast cancer
Symptoms
Location and clinical impression of breast lumps

76
Q

Pertinent clinical information that should be provided by the referring physician includes size and location of the lump, when it was noticed, and its relation to the ___________

A

Menstrual cycle

77
Q

A dominant cyst is frequently ____________ or ____________ (long axis toward nipple), smooth, soft (some cysts under tension can be firm and are usually very tender), and easily movable

A

Round or oval

78
Q

Fibroadenomas are usually similar in shape, but they are often quite firm and rubbery in consistency and ________________ on ultrasound

A

Homogeneously solid

79
Q

Breast cancer is usually lobular or __________ in shape, uneven in surfave contour (sometimes gritty in texture), and fixed or poorly movable

A

Irregular

80
Q

Most breast masses that arise during the adolescent years are _____________

A

Fibroadenomas

81
Q

A(n) ______________ implant rupture occurs when there is a breach of the membrane surrounding an implant, but the silicone that leaks out is still confined within the fibrous scar tissue that forms a “capsule” around the implant

A

Intracapsular

82
Q

As the implant collapses and the membrane folds inward, a series of discontinuous echogenic lines parallel to the face of the transducer may be seen and are referred to as the “stepladder sign” or “__________ sign”

A

Linguine

83
Q

The use of the ______________ positions is unique to the breast and can often pick up subtle abnormalities extending toward the nipple along the ductal system from the mass

A

Radial/ Antiradial

84
Q

____________ tend to grow within the ducts and will often follow the ductal system in a radial plane toward the convergence at the nipple

A

Malignancies

85
Q

To be considered a simple cyst, a lesion must meet which three criteria on ultrasound?

A

Devoid of internal echoes
Smooth inner margins with capsule
Posterior acoustic enhancement

86
Q

A round or oval shape is usually associated with ____________ lesions, whereas sharp, angular margins are associated with ________ lesions

A

Benign, malignant

87
Q

The normal tissue planes of the breast are __________ oriented

A

Horizontally

88
Q

Benign lesions tend to grow within the normal tissue planes, and their long axis lies __________ to the chest wall

A

Parallel

89
Q

Malignant lesions are able to grow through the connective tissue and may have a ____________ orientation when imaging the breast from anterior to posterior

A

Vertical

90
Q

If a mass measures longer in the anteroposterior dimension (__________) than in either transverse or sagittal planes (_________), the mass has a vertical orientation that is usually described as being “taller than wide” and is suspicious for malignancy

A

Height, width

91
Q

Malignant masses will often demonstrate increased _____________ within the lesion and often have a feeder vessel, which can be identified with careful evaluation

A

Vascularity

92
Q

Lesion more common in younger women are ___________ disease and fibroadenomas

A

Fibrocystic

93
Q

Older or postmenopausal women are more likely to have _____________ papillomas, duct ectasia, and cancer

A

Intraductal

94
Q

Skin dimpling or ulceration and nipple retraction nearly always result from

A

Cancer

95
Q

Benign tumors are rubbery, ___________, and well delineated (as seen in a fibroadenoma), whereas malignant tumors are often stone hard and irregular with a gritty feel

A

Mobile

96
Q

Clinical signs and symptoms of ___________ include the lumps and pain that the patient feels that fluctuate with every monthly cycle. In most cases both breasts are equally involved

A

Fibrocystic condition

97
Q

The growth of a fibroadenoma is stimulated ____________

A

Estrogen

98
Q

Sonographically, fat necrosis appears as an irregular, complex mass with low-level echoes, may mimic a(n) ______________ lesion, and may appear as fat, but is seperate and different from the rest of the breast parenchyma

A

Malignant

99
Q

___________ may result from infection, trauma, mechanical obstruction in the breast ducts, or from other conditions. It often occurs during lactation, beginning in the lactiferous ducts and spreading via the lymphatics or blood

A

Acute mastitis

100
Q

An intraductal papilloma is a small, ___________ tumor that grows within the acini of the breast

A

Benign

101
Q

In _____________ tissue, most cancer growth occurs along the borders

A

Fibrotic

102
Q

_____________ and ____________ are frequently used as pathways for new tumor development

A

Lymphatic and blood vessels

103
Q

If the tumor is _________, it continues to grow in one area, compressing and distorting the surrounding architecture

A

Encapsulated

104
Q

Most cancer originates in the ___________ ductal lobular units , whereas a smaller percentage originates in the glandular tissue

A

Terminal

105
Q

________ refers to breast tumors that arise from the epithelium, in the ductal and glandular tissue and usually have tentacles

A

Carcinoma

106
Q

Breast carcinomas are generally categorized by two factors; where the cancer cells originate (___________ or __________) and whether the cancer is prone to spreading (___________ or ________)

A

Ductal or Lobular

Noninvasive or invasive

107
Q

Carcinomas that do not normally spread outside the duct or lobule are called noninvasive, noninfiltrating, or ___________ cancers, whereas cancers that spread into nearby tissue are said to be invasive or infiltrating

A

In situ

HA Ch.21-24 Summer2013 (4 decks)

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