Radiology Flashcards
1
Q
Imaging modalities used
A
Plain radiography Contrast studies Ultrasound CT MRI Nuclear medicine
2
Q
When is plain radiography used?
A
to get a lateral view of the soft tissue of the neck, for maxillofacial views and dental assessment
3
Q
What can contrast studies be useful for showing in head/neck?
A
Pouches, parotid calculus, punctate sialectasis
4
Q
What is videofluoroscopy useful for?
A
Distinguishing between functional and mechanical problems
Blom-Singer valve assessment
5
Q
What can ultrasound be useful for?
A
Distinguishing between cystic and solid lesions Assessing vascularity US guided FNA of neck lump Characterising lymph node Microcalcification Parotid duct stone Parathyroid adenoma
6
Q
What is CT useful for showing?
A
Petrous temporal bone
External auditory canal atresia
Sinuses
Subperiosteal collection
7
Q
What should be considered before CT exposure?
A
Radiation exposure - particularly in children
8
Q
When is MRI useful?
A
Tissue characterisation
Lipoma
Abscess
9
Q
What forms of nuclear medicine might be used?
A
Isotope bone scan
PET scan
