Breast Anatomy: Lymphatic Drainage

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Questions and Answers

What is the direction of incision in the breast gland to avoid cutting across the lactiferous ducts?

  • Circular direction
  • Vertical direction
  • Radial direction (correct)
  • Horizontal direction

What happens to the suspensory ligaments of Cooper when they are infiltrated by cancer?

  • They become longer
  • They become thicker
  • They become shorter (correct)
  • They remain unchanged

What is the result of the shortening of the suspensory ligaments of Cooper in cancer?

  • The nipple becomes enlarged
  • The breast becomes larger
  • The nipple becomes retracted and the skin becomes dimpled (correct)
  • The skin becomes smooth

What is the normal movement of the breast gland on the underlying pectoralis major?

<p>It moves easily (B)</p> Signup and view all the answers

What happens to the breast gland in case of advanced malignant tumor?

<p>It becomes fixed to the muscle (C)</p> Signup and view all the answers

Where do the lymphatics of the lower part of the breast gland communicate with?

<p>The lymphatic plexus on the upper part of the sheath of rectus abdominis (B)</p> Signup and view all the answers

What is the term for the skin of an orange-like appearance over the breast?

<p>Peau d'orange (D)</p> Signup and view all the answers

Which artery supplies blood to the breast?

<p>All of the above (D)</p> Signup and view all the answers

What is the primary function of the suspensory ligaments of Cooper?

<p>To support the breast tissue (B)</p> Signup and view all the answers

Which of the following veins drains blood from the breast?

<p>All of the above (D)</p> Signup and view all the answers

What is the most likely explanation for the patient's skin findings in the case scenario?

<p>Obstruction of the lymphatic channels (B)</p> Signup and view all the answers

What is the term for the milk line that develops in the embryo?

<p>Mammary ridge (B)</p> Signup and view all the answers

What is the number of lobes that the breast gland consists of?

<p>15-20 (C)</p> Signup and view all the answers

What is the purpose of the lactiferous ducts in the breast?

<p>To drain each lobe of the breast separately (D)</p> Signup and view all the answers

What are the fibrous strands that separate the breast lobes from each other called?

<p>Suspensory ligaments of Cooper (C)</p> Signup and view all the answers

What percentage of the lymphatic vessels drain into the axillary nodes?

<p>75% (A)</p> Signup and view all the answers

Which group of axillary nodes does the lymph from the upper part of the breast drain into?

<p>Apical group (B)</p> Signup and view all the answers

What is the location of the parasternal nodes that the lymph from the medial part of the breast drains into?

<p>Along the internal thoracic artery (C)</p> Signup and view all the answers

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