Frank Gaillard on Radiopaedia.org

Frank Gaillard

MBBS, MMed, FRANZCR, Hon. FRCR

Associate Professor Frank Gaillard is the Founder and Editor in Chief of Radiopaedia.org, which he began in December 2005. He is also a neuroradiologist at the University of Melbourne Department of Radiology of the Royal Melbourne Hospital in Australia.  

In 2021, in recognition of his contribution to radiology education, he was made an Honorary Fellow of the Royal College of Radiologists (UK). 

Disclosures:
  • Nothing to disclose
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Question 271

Which of the following clinical signs would be expected from a complete right hemispheric middle cerebral artery infarct?

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Question 272

On non-contrast CT of the brain, acute intracerebral hemorrhage is...

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Question 273

Which of the following is NOT a sign of a chronic cerebral infarct. 

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Question 274

Which of the following is NOT a sign of acute middle cerebral artery infarction. 

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Question 301

What structure is indicated by the arrow?

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Question 302

What structure is indicated by the arrow?

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Question 303

What structure is indicated by the blue arrow?

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Question 304

What structure is indicated by the blue arrow?

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Question 305

What structure is indicated by the blue arrow?

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Question 306

What structure is indicated by the blue arrow?

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Question 307

What structure is indicated by the blue arrow?

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Question 312

What structure is indicated by the blue arrow?

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Question 313

What structure is indicated by the blue arrow?

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Question 314

What structure is indicated by the blue arrow?

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Question 315

Extradural hemorrhages most commonly occur as a result of bleeding from branches of which artery?

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Question 316

An extradural hemorrhage located at the vertex, crossing the midline is usually due to... 

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Question 317

The terms "lentiform" or "bi-convex" are most commonly used to describe which type of intracranial hemorrhage?

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Question 318

In which location are small extradural hematomas least likely to increase in size?

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Question 319

What are the usual MRI signal characteristics of the liquid center of a typical bacterial cerebral abscess?

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Question 320

A young adult male, previously well, dived into a shallow pool striking their head on the bottom. They were brought to the emergency department and underwent the non-contrast CT shown. 

The abnormality most likely represents a...