Surface anatomy of the LNs Flashcards
In legs and arms, what blood vessel do lymphatics follow?
Veins
In the trunk, which blood vessel do lymphatics follow?
Arteries
How does the thoracic duct enter circulation?
Left venous angle - junction of left IJV and subclavian vein
How does the right lymphatic duct enter circulation?
Right venous angle - right IJV and right subclavian junction
What is a lymphosome?
A skin territory that is drained by the lymphatic drainage of a well recognised regional sentinel lymph node
Scalp lymphosome
Parotid, mastoid, occipital
Face lymphosome
Submandibular
Cephalic lymphosome
Subclavicular
Upper extremity lymphosome
Axillary
Lower extremity lymphosome
Femoral triangle
Heel lymphosome
Popliteal fossa
Peri-anal lymphosome
Inguinal
External genitalia lymphosome
Inguinal
Back lymphosome
Inguinal and axillary
Anterior thorax lymphosome
Anterior/pectoral axillary
Posterior thorax lymphosome
Posterior/subscapular
Lateral trunk lymphosome
Anterior/pectoral axillary
Interior abdominal lymphosome
Horizontal group of superficial LNs
Where does the long saphenous vein run?
Medial, anterior to malleolus
Indirect vs direct hernia
Indirect inguinal hernia: through inguinal canal
Direct inguinal hernia: no regard for anatomy, goes through everything
Femoral canal is tight so femoral hernias are more dangerous
Mid point of inguinal ligament
Half-way between ASIS and pubic tubercle - superficial ring is at midpoint
Mid inguinal point
Halfway between ASIS and pubic symphysis - where femoral artery runs
Contents of axillary region
Biceps brachii, coracobrachialis, BP, axillary artery, axillary vein
Borders of axillary region
Anterior: pec major and minor
Medial: serrates anterior and thoracic wall
Lateral: intertubecular sulcus
Posterior: scapulars, theres major, lat dorsi
