PHYSICAL EXAMINATION OF THE BREASTS AND AXILLA Flashcards
What are paired mammary glands located on the anterior chest wall, superficial to the pectoralis major and serratus anterior muscles?
Breasts
True or False
In women, the breast extends from the second or third rib to the sixth or seventh rib and from the sternal margin to the mid-axillary line
True
What is composed of the following?
- glandular and fibrous tissue (provides support for the breast)
- fat (subcutaneous and retromammary)
Female breast
The glandular tissue of the breast is arranged into how many lobes per breast that radiate about the nipple?
15-20 lobes
Each lobe in the glandular tissue of the breast is composed of how many lobules; each lobule consisting of milk-producing acini cells that empty into lactiferous ducts during lactation?
20-40 lobules
Lactiferous ducts drains milk from each lobe to where?
surface of the nipple
What extends from the connective tissue layer through the breast and attach to the underlying muscle fascia, providing support?
suspensory ligaments
What do these muscles form?
- pectoralis major
- pectoralis minor
- serratus anterior
- latissimus dorsi
- subscapularis
- external oblique
- rectus abdominus
muscles forming the floor of the breast
Vascular supply to the breast is primarily through branches of the ______ and the ______
internal mammary and the lateral thoracic artery
The greatest amount of glandular tissue lies in the upper outer quadrant of the breast; breast tissue extends from this quadrant into the axilla, forming the what ?
Tail of spence
In the axillae the mammary tissue is in direct contact with what?
axillary lymph nodes
True or False
Contraction of the smooth muscle, induced by tactile, sensory, or autonomic stimuli, produces erection of the nipple and causes the lactiferous ducts to empty
True
What are the 5 D’s as related to the inspection if the nipples?
- Discharge
- Depression or inversion
- Discoloration
- Dermatologic changes
- Deviation
What are the various positions you would inspect the breasts in?
- Seated, arms over head
- Seated, hands pressed against hips and shoulders rolled forward
- Seated, and leaning forward at the waist
What are the areas of palpation of the breast?
- breast
- axillae
- supraclavicular
- infraclavicular