Head And Neck Nodal Level Flashcards
Ia+Ib
Submental
Sub mandibular
II
Upper jugular
III
Middle jugular group
IVa+IVB
Lower jugular group
IVb: medial supraclavicular group(drains for subglottic larynx, IV nodes)
Va/Vb/Vc
Va: upper posterior triangle nodes
Vb: lower posterior triangle nodes
Vc: lateral supraclavicular group
VI
VIa: anterior jugular nodes
VIb: prelaryngeal, pre tracheal and paratracheal nodes
VII
Prevertebral compartment group
VIIa: retropharyngeal nodes
VIIb: retro styloid nodes
VIII
Parotid group
IX
Bucco facial group
Xa, Xb
Xa- retro auricular and sub auricular nodes
Xb: occipital nodes
Level IIa, IIB is divided by
Spinal accessory nerve or posterior edge of internal jugular vein
Ia, Ib is seperated by
Anterior belly of digastric muscle
Va, Vb is divided by
Omohyoid muscle or lower boundary of cricoid cartilage
Vc lies in
2cm from the sternum. Lateral supraclavicular lymph node