Radiology Flashcards
When are plain radiographs (XR) used in ENT?
Suspected inhaled/ingested foreign bodies
N.B. important to take AP + lateral views
When are barium swallows more useful than endoscopy?
Oesophageal stricture
Pharyngeal pouch
Oesophageal dysmotility
When is ultrasound used in ENT?
Neck lumps
Salivary gland disease
Inflammatory masses
What is important when assessing lymph nodes?
Morphology - round or elliptical
Blood flow
Echogenic features
A round lymph node is worse than an elliptical one. True/False?
True
When are CT and MRI used in ENT?
Masses Trauma Infection Cholesteatoma, schwannoma Sinus investigation
Which is better for imaging the larynx - CT or MRI?
CT
Which is better for imaging the skull - CT or MRI?
MRI
Which imaging is used to investigate conductive hearing loss?
CT
Which imaging is used to investigate sensorineural hearing loss?
MRI