Head and Neck Radiology Flashcards
What are different imaging modalities?
Plain radiography
Contrast studies
Ultrasound
CT
MRI
Nuclear medicine- PET
What are the different plain radiography?
Lateral soft tissue neck
Facial view
OPT. X-ray individual teeth
Nasal cavity
OP-oropharynx
HP- Hypo pharynx
Bony spine is posterior the nasal pharnynx
What are contrast studies?
Barium and iodine based water soluble contrast media
Swallows e.g. FOSIT, post op leaks
Sialograms- Contrast medium to asses parotid and submandibular glands
What is videofluroscopy?
Functional v mechanical
Speech therapist in attendance
Different consistencies of barium
Blom-Singer valve assessment- Tiny plastic tube that after laryngectomy. Allows oesophageal speech to be higher so people can hear them
What is ultrasound?
Solid v cystic
Vascularity (Doppler)
Ultrasound guided FNA
What does comuted tomography use?
Radiation (children, lens…..IRMER)
Cross sectional but now MPR and 3D
Contrast (oral, IV)
Bony detail versus soft tissue(CT v MRI)
What is this?
US guided FNA
What is this?
Parathyroid adenoma
What is this?
Sestamibi scan
What is this?
SPECT CT
What is computed tomography?
Radiation (children, lens…..IRMER)
Cross sectional but now MPR and 3D
Contrast (oral, IV)
Bony detail versus soft tissue(CT v MRI)
CT :Petrous temporal bone
CT : Sinuses
Subperiosteal collection
What makes MRI special?
nNo radiation(children)
nTissue characterisation
nSequences(T1,T2,STIR)
nContrast(gadolinium)
nContraindications
What does nuclear medicine make special?
Isotope bone scan(Technetium 99)
Thyroid(Pertech)/Parathyroid(Sestamibi)
Positron emission tomography (FDG)
What is special about PET CT in head and neck?
nUnknown primary
nDetection of recurrence post treatment
nAssessment of treatment response
