Are the displacements caused by pneumothorax more obvious on an inspiratory or expiratory film?
What contrast is typically used with MRI?
Why are brain tumours more dense on contrast CT?
Contrast leaks out of the tumour capillaries because their BBB is more compromised
What does anechoic mean?
Produces no echos - appears black on image
What is the number of ribs that can be seen on a CXR of normal lungs?
What is distinct about pleural effusion?
Meniscus conture of the opacity
How does fluid appear in T2 MRI?
What are windows in CT scan examination?
The range of hounsfield units in which an image is viewed. Can determine what tissues will be seen
Does pathology appear bright in T1 or T2 weight MRI?
Are urinary tract stones hyper or hypodense on CT?
How does fluid appear in T1 MRI?
How do hyperechoic or more echogenic structures appear on US?
Fluffy opacity is usually caused by what?
Fluid in alveolar
A starburst pattern or Codman's triangle in the periosteum indicates what is happening with bone growth?
Rapid new bone growth is out stripping the ability of the periosteum to compensate
What is an exostosis?
Abnormal outgrowth of bone
What does endosteal refer to?
Damage to the inner surface of the cortex of bone
What is a swimmer's view?
Lateral x-ray of cervical spine with one arm up and one down
Is density or intensity of signal used in describing MRI?
Is density or intensity of signal used in describing CT?