H & N radiology Flashcards
1
Q
what are some common imaging modalities used to study the head and neck?
A
plain radiography contrast studies ultrasound CT MRI nuclear medicine
2
Q
what is plain radiography used to study?
A
lateral soft tissue neck
facial views (maxillofacial)
OPT (dental assessment)
3
Q
what are the common contrast agents used in studies?
A
barium and iodine based water soluble contrast media
4
Q
what studies are undertaken using contrast agents?
A
wallows
sialograms
sinograms
5
Q
what is ultrasound used for?
A
to determine if a lump is solid vs cystic
vascularity (Doppler)
ultrasound guided FNA
6
Q
does MRI expose the patient to radiation?
A
No
7
Q
what can PETCT be used for?
A
in the case of an unknown primary
detection of recurrence post treatment
potentially for assessment of treatment response
