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
681 results found
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Question 341

What is the main abnormality demonstrated on this coronal MRI image?

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Question 342

What is the main abnormality demonstrated on this axial non-contrast CT image?

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Question 343

When visually assessing CT perfusion maps (without the aid of automated software) ischemic infarct core is best delineated by which of the following parameters?

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Question 344

In cerebral ischemia, the ischemic penumbra is best defined by which of the following combination of parameters?

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Question 345

Which of the following changes in CT perfusion parameters is NOT consistent with an ischemic penumbra? 

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Question 346

In the accompanying T1 weighted image from a contrast enhanced MRI, the superior sagittal sinus is indicated by which letter?  

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Question 347

In the accompanying T1 weighted image from a contrast enhanced MRI, the internal cerebral veins are indicated by which letter?  

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Question 348

In the accompanying T1 weighted image from a contrast enhanced MRI, the vein of Galen is indicated by which letter?  

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Question 349

In the accompanying T1 weighted image from a contrast enhanced MRI, the torcula herophili is indicated by which letter?  

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Question 350

In the accompanying T1 weighted image from a contrast enhanced MRI, the straight sinus is indicated by which letter?  

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Question 364

What is the most likely cause of the bilateral calcific lesions, seen in this coronal image through the posterior sacrum? 

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Question 390

In the accompanying axial image from a non-contrast CT of the brain, the superior sagittal sinus is indicated by which letter?  

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Question 391

In the accompanying axial image from a non-contrast CT of the brain, the falx is indicated by which letter?  

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Question 392

In the accompanying axial image from a non-contrast CT of the brain, the straight sinus/vein of Galen is indicated by which letter?  

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Question 393

In the accompanying axial image from a non-contrast CT of the brain, the choroid plexus is indicated by which letter?  

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Question 394

In the accompanying axial image from a non-contrast CT of the brain, the septum pellucidum is indicated by which letter?  

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Question 395

In the accompanying axial image from a non-contrast CT of the brain, the corpus callosum is indicated by which letter?  

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Question 396

In the accompanying axial image from a non-contrast CT of the brain, the genu of the corpus callosum is indicated by which letter?

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Question 397

In the accompanying axial image from a non-contrast CT of the brain, the head of caudate is indicated by which letter?

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Question 398

In the accompanying axial image from a non-contrast CT of the brain, the putamen is indicated by which letter?