Imaging Flashcards
(12 cards)
What type of imaging modality can be used for dental assessment?
Orthopantomogram (OPG)
What imaging modality can be used to see bone destruction by a tumour?
CT/MRI
What would a barium contrast study be useful?
Swallows
eg, Feeling of something in throat -FOSIT, Post op leaks
What term is used for a contrast study of the salivary glands?
Sialogram
What is a Blom-Singer valve used for?
A voice prosthesis in laryngectomy patients - connects oesophagus to trachea.
What is an imaging technique used to conduct Blom-Singer valve assessments?
Videofluoroscopy
What things can ultrasound be used for in head and neck imaging?
Decide whether a lump is solid vs cystic?
Check for vascularity (Doppler)
Ultasound guided FNA
What imaging modality can be used for surgical planning of sinuses?
CT
What colour is fluid in T1 MRI?
Fluid is dark
What colour is fluid in T2 MRI?
Fluid is bright
Why may MRI be useful?
Useful for tissue characterisation
No radiation (useful to consider in children)
When may PET CT be useful in head and neck cancer?
- If unknown primary
- Detection of recurrence post treatment
- ?Assessment of treatment response
Distinguish scar tissue from cancer
