Lymph Node Exam Flashcards
Define chyle
Lymphatic fluid - milky white in colour
What are glands?
Lymph nodes
Define Lymphadenitis
Lymphadenopathy of an inflammatory type
What is Lymphadenopathy ?
enlargement of the lymph nodes that occurs secondary to infection, malignancy or autoimmune disease - there a 3 subtypes
Define lymphoedema
a chronic condition which causes swelling in the body’s tissues secondary to obstruction of lymphatic drainage
What cells are stored in the lymph nodes?
Lymphocytes - B and T cells
What is the function of the lymph nodes?
filtering foreign particles to present them to the lymphocytes and mount an appropriate immune response
What is a sentinel lymph node?
the sentinel lymph nodes are the first nodes to becomes involved
Where do the lymph nodes drain to?
The right lymphatic duct drains the lymph from the right upper limb, right side of thorax and right halves of head and neck
The thoracic duct drains lymph from the rest of the body
Define Virchow’s LN/Troisier’s sign
Virchow’s node is a swollen lymph node in the medial aspect of the left suprascapular area and Troisier’s sign is when there is an appreciable mass of Virchow’s lymph node.
They both indicate metastatic disease of the upper abdomen and thorax amongst other
conditions
What are the functions of the lymphatic system?
- Movement of fluid to avoid fluid build up
- Filter fluid before it is returned to circulation
- Phagocytosis of dead/foreign cells
- Production/maturation or lymphocytes
- Production of antibodies
- Absorption of fat soluble substances
What lymph nodes should be examined during a breast examination?
Axillary, supra and infra clavicular
What lymph nodes should be examined during an abdominal examination?
Deep and Superficial cervical, supra and infra
clavicular, axillary and Inguinal.
Head and neck LN should also be considered it upper GI tract is involved.
What lymph nodes should be examined during a respiratory examination?
Head and neck (except occipital & deep cervical), axillary, supra and infra clavicular
What lymph nodes should be examined during a genital examination?
deep and superficial inguinal