Head and Neck Flashcards
ant to posterior
sub v, phrenic n, ant scalene, subclavian artery, middle scalene
ant triangle ant border
ant border midline neck
post boundery anterior triangle
SCM
inferior/apex of ant triangle
sternal notch
superior border of ant triangle
lower border of mandible
contents of anterior triangle
carotid sheath
post neck triangle boundaries
ant- SCM, post- trapezius, base middle third clavicle, apex- intersection of SCM and trapezius
main content post triangle
spinal accessory nerve
recurrent laryngeal n fxn
all muscles of larynx except cricothyroid muscle which is innervated by superior laryngeal nerve
RLN on left
loops behind aortic arch
RLN on right
loops behind subclavian artery
SCC of head and neck risks
alcohol and tobacco, Male > female
SCC tx stage 1 or 2
surgery or radiation
SCC tx stage 3 or 4
surgery followed by radiation or chemo
size cut off for oral SCC
4 cm or other concerning features