9
May be followed closely
with serial cross-sectional
imaging or PET/CT, with
neck dissection reserved
for clinical or radiographic
concern for progressive
disease
Neck
Dissection
PET/CT scan at ≥12 weeks after completion of
radiation/chemoradiation
Intense FDG
uptake in
any node
No nodal FDG
uptake and no
abnormally
enlarged lymph
nodes
Mild FDG in a node ≤1 cm or
a persistently enlarged node
≥1 cm without either mild or
intense FDG uptake
No Neck
Dissection
Patients who complete radiation/
chemoradiation and have
anatomic cross-sectional imaging
(CT or MRI scans) at ≥12 weeks
post therapy showing resolution
of previously abnormal lymph
nodes
