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Breast Anatomy Flashcards

(17 cards)

1
Q

What are the four segments of the breast?

A

Upper inner

Upper Outer

Lower Inner

Lower outer

ALWAYS SIDE

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2
Q

What extends from the breast to the axilla?

A

Axillary tail of Spence

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3
Q

What is the external anatomy of the breast?

A

Montgomerys glands

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4
Q

What is the breast composed of and when does the composition change?

A

Fat and glandular tissue

Pregnancy - glandular tissue becomes more

Menopause - Glands retract and fat can increase or decrease

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5
Q

What are the ducts of the breast called?

A

Lactiferous ducts

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6
Q

What do the ducts open out to?

A

Lactiferous sinus

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7
Q

Where does the milk come from?

A

Alveolar (gland lobules)

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8
Q

What muscles does the breast attach to?

A

Pec major

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9
Q

What holds the breast in place and how does this change?

A

Suspensory ligament (coopers ligament)

It gets pulled during pregnancy and gets more slack as age progresses

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10
Q

What is the blood supply to the breast?

A

Lateral - Lateral thoracic artery via axillary

Medial - Internal thoracic (mammory) artery

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11
Q

What are the main lymph nodes for the breast?

A

Axillary

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12
Q

What are the five groups of axillary lymph nodes?

A

Anterior (pectoral)

Posterior

Lateral

Central Apical

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13
Q

Where can tumours go that is not the main lymph nodes?

A

Parasternal

Other breast

Supraclavicular

Infraclavicular

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14
Q

What is a problem with a total node clearance?

A

Lymphodema

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15
Q

What is the alternative to a total node clearance and how is it performed?

A

Sentinal node biopsy

Inject dye to tumour and see if the nearest node is blue

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16
Q

What are coopers ligaments?

A

Suspensory ligaments

17
Q

What does Spence relate to?

A

Axillary tail of Spence