Head and Neck Radiology Flashcards
What are examples of different kinds of imaging for head and neck?
Plain radiography
Contrast studies
Ultrasound
CT
MRI
Nuclear medicine
What is radiography best for showing?
Lateral soft tissue of the neck
Facial views (maxillofacial)
OPD (dental assessment)
What is radiography used to diagnose?
Soft tissue
Bone destruction
What media is often used for contrast studies?
Barium and iodine-based water soluble contrast media
What kinds of imaging uses contrast?
Sialograms (looks at salivary glands)
Sinograms (look at sinuses)
What are contrast studies used to diagnose?
Parotid calculus
Punctate sialectasis
What is a Videofluoroscopy?
Moving x-ray examining swallowing
What are different kinds of ultrasound?
Vascularity (doppler)
Ultrasound guided FNA
What is ultrasound used to diagnose?
Lymph nodes
Parathyroid adenoma
What can be used in addition to a CT scan?
Contrast (oral or IV)
What is CT used to diagnose?
Petrous temporal bone
Sinuses
Subperiosteal collection
Neck spaces
Paraganglionomas
Retropharyngeal space
What is the major disadvantage of CT scans compared to MRI?
CT uses radiation, MRI does not
Which of CT and MRI is better for visualising bony detail, and which is better for soft tissue?
CT for bony detail
MRI for soft tissue
What contrast is often used with MRI?
Gadolinium
What is MRI used to diagnose?
Retropharyngeal space
Panctate sialectasis
Temporomandibular joints
TMJ dysfunction
