02.2 Lymphatic Drainage of the Head and Neck Flashcards
What is the order of lymphatic flow?
Tissue fluid Lymphatic Capillaries Afferent lymph vessels Lymph node Efferent lymph vessels Lymphatic trunks Lymphatic ducts
What can cause lymphoedema?
Removal/enlargement of nodes Parasites Damage via chemotherapy Lack of movement Congenital
What are the signs of an infected lymph node?
Tender
Firm
Mobile
What are the signs of a malignancy in a lymph node?
Hard
Matted
Non tender
What is the difference between terminal and regional lymph nodes?
Regional lymph nodes are superficial nodes that drain specific organs
Terminal lymph nodes are deep nodes that receive drainage from multiple regional nodes
What separates the superficial and deep lymph nodes of the head and neck?
The investing layer of cervical fascia
What is in Waldeyer’s ring?
Adenoids
Palatine tonsils
Lingual tonsils
Where do the right and left lymphatic ducts drain into?
Right and left subclavian veins
What does the left supraclavicular node (Virchow’s node) drain?
Thorax and abdomen
What does the right supraclavicular node drain?
Oesophagus, mid section of chest and lungs
What do the right and left lymphatic ducts drain?
Right - Right upper limb, right side thorax, right side head and neck
Left - Left upper limb, lower limbs, abdomen, left side thorax, left side head and neck
