18 Questions
What is the direction of incision in the breast gland to avoid cutting across the lactiferous ducts?
Radial direction
What happens to the suspensory ligaments of Cooper when they are infiltrated by cancer?
They become shorter
What is the result of the shortening of the suspensory ligaments of Cooper in cancer?
The nipple becomes retracted and the skin becomes dimpled
What is the normal movement of the breast gland on the underlying pectoralis major?
It moves easily
What happens to the breast gland in case of advanced malignant tumor?
It becomes fixed to the muscle
Where do the lymphatics of the lower part of the breast gland communicate with?
The lymphatic plexus on the upper part of the sheath of rectus abdominis
What is the term for the skin of an orange-like appearance over the breast?
Peau d'orange
Which artery supplies blood to the breast?
All of the above
What is the primary function of the suspensory ligaments of Cooper?
To support the breast tissue
Which of the following veins drains blood from the breast?
All of the above
What is the most likely explanation for the patient's skin findings in the case scenario?
Obstruction of the lymphatic channels
What is the term for the milk line that develops in the embryo?
Mammary ridge
What is the number of lobes that the breast gland consists of?
15-20
What is the purpose of the lactiferous ducts in the breast?
To drain each lobe of the breast separately
What are the fibrous strands that separate the breast lobes from each other called?
Suspensory ligaments of Cooper
What percentage of the lymphatic vessels drain into the axillary nodes?
75%
Which group of axillary nodes does the lymph from the upper part of the breast drain into?
Apical group
What is the location of the parasternal nodes that the lymph from the medial part of the breast drains into?
Along the internal thoracic artery
Test your knowledge of the lymphatic system in the breast, including the communication of lymph vessels and the different lymphatic plexuses involved. This quiz covers the pectoral lymph nodes, para-sternal lymph nodes, and more.
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