Head and Neck Radiology

Question 1

What are different imaging modalities?

Answer 1

Plain radiography

Contrast studies

Ultrasound

CT

MRI

Nuclear medicine- PET

Question 2

What are the different plain radiography?

Answer 2

Lateral soft tissue neck

Facial view

OPT. X-ray individual teeth

Question 3

Answer 3

Nasal cavity

OP-oropharynx

HP- Hypo pharynx

Bony spine is posterior the nasal pharnynx

Question 4

What are contrast studies?

Answer 4

Barium and iodine based water soluble contrast media

Swallows e.g. FOSIT, post op leaks

Sialograms- Contrast medium to asses parotid and submandibular glands

Question 5

What is videofluroscopy?

Answer 5

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

Question 6

What is ultrasound?

Answer 6

Solid v cystic

Vascularity (Doppler)

Ultrasound guided FNA

Question 7

What does comuted tomography use?

Answer 7

Radiation (children, lens…..IRMER)

Cross sectional but now MPR and 3D

Contrast (oral, IV)

Bony detail versus soft tissue(CT v MRI)

Question 8

What is this?

Answer 8

US guided FNA

Question 9

What is this?

Answer 9

Parathyroid adenoma

Question 10

What is this?

Answer 10

Sestamibi scan

Question 11

What is this?

Answer 11

SPECT CT

Question 12

What is computed tomography?

Answer 12

Radiation (children, lens…..IRMER)

Cross sectional but now MPR and 3D

Contrast (oral, IV)

Bony detail versus soft tissue(CT v MRI)

Question 13

Answer 13

CT :Petrous temporal bone

Question 14

Answer 14

CT : Sinuses

Question 15

Answer 15

Subperiosteal collection

Question 16

What makes MRI special?

Answer 16

nNo radiation(children)

nTissue characterisation

nSequences(T1,T2,STIR)

nContrast(gadolinium)

nContraindications

Question 17

What does nuclear medicine make special?

Answer 17

Isotope bone scan(Technetium 99)

Thyroid(Pertech)/Parathyroid(Sestamibi)

Positron emission tomography (FDG)

Question 18

What is special about PET CT in head and neck?

Answer 18

nUnknown primary

nDetection of recurrence post treatment

nAssessment of treatment response