Question 125
A Segond fracture involves the...
Question 162
What is meant on imaging of the brain by the term "Kernohan notch phenomenon"?
Question 274
Which of the following is NOT a sign of acute middle cerebral artery infarction.
Question 341
What is the main abnormality demonstrated on this coronal MRI image?
Question 342
What is the main abnormality demonstrated on this axial non-contrast CT image?
Question 466
An elderly, otherwise well, individual presents with a headache and is investigated with an MRI. What is the most likely diagnosis?
Question 516
Which of the following is the earliest visible CT finding of likely ischemic stroke?
Question 597
On T2/T2* weighted imaging, bacterial cerebral abscesses typically demonstrate...
Question 598
What is the most likely cause of the peripherally enhancing lesions shown in the accompanying MRI?
Question 662
In the accompanying coronal T2 MRI of the brain, the inferior frontal sulcus is indicated by which letter?
Question 729
In the accompanying diagram of the interhemispheric surface of the cerebral hemisphere, which letter corresponds to the central sulcus?
Question 730
In the accompanying diagram of the interhemispheric surface of the cerebral hemisphere, which letter corresponds to the pars marginalis of the cingulate sulcus?
Question 779
Which of the following spinal cord lesions is LEAST likely to have a hemosiderin cap?
Question 832
In most cases, what is the main constituent of 'staghorn' renal calculi?
Question 836
What is the most likely underlying cause of this renal stone?
Question 1075
Open-ring enhancement is typical of which of the following conditions?
Question 1294
What is the most likely diagnosis based on this non-contrast CT image?
Question 1307
What osseous anomaly is noted in this photograph?
Question 1308
What is the cause of the midbrain abnormality indicated by the orange arrow?
Question 1328
Which imaging test is best to confirm the presence pulmonary air-trapping?