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
39 results found
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Question 162

What is meant on imaging of the brain by the term "Kernohan notch phenomenon"?

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Question 272

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

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Question 459

A 20-year-old female, previously well, presents with one week of intermittent clumsiness. An MRI is performed. What do you think is the most likely diagnosis?

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Question 473

Prolactin inhibitory hormone released by the hypothalamus is actually...

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Question 479

A 55-year-old woman, previously well, presents with 4-month history of rapid decline in cognitive function. She is imaged with an MRI.  What is the most likely diagnosis?

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Question 502

A 35-year-old woman, previously well, developed persistent headaches and was imaged with a contrast-enhanced MRI. What is the most likely diagnosis?

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Question 523

This 3-month old boy presents with increasing head circumference. He underwent a cranial ultrasound. What is the most likely diagnosis? 

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Question 524

A 4 month-old girl presents with a large mass within the trigone of the lateral ventricle, with associated hydrocephalus. Which of the following is the most likely diagnosis?

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Question 525

A 3-year-old girl presents with a headache. She undergoes a contrast enhanced MRI. What is the most likely diagnosis? 

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Question 526

A 66-year-old woman presents with nausea, headache and vomiting. She undergoes a contrast-enhanced MRI. What is the most likely diagnosis? 

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Question 527

Which of the following best describes the relationship between age and location of choroid plexus tumors?

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Question 534

A 70-year-old female, previously well, presents with vague headaches and undergoes a contrast enhanced MRI. What is the most likely diagnosis?

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Question 535

A 20-year-old woman presents with headaches and undergoes a contrast enhanced MRI. What is the most likely diagnosis? 

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Question 536

An 80-year-old female, with a history of pancreatic carcinoma five years previously, now in remission with no known systemic metastatic disease, presents with headaches. She undergoes a contrast enhanced MRI. What is the most likely diagnosis? 

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Question 537

A young adult, previously well, presents with headaches. They undergo a contrast-enhanced MRI. What is the most likely diagnosis? 

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Question 538

A young man, previously well, presents with persistent headaches. He undergoes a contrast-enhanced MRI. What is the most likely diagnosis? 

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Question 539

A four-year-old, previously well, presents with headaches and undergoes a contrast enhanced MRI. What is the most likely diagnosis?

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Question 650

A 50-year-old man presents with altered conscious state and is evaluated with a non-contrast CT of the brain. What is the most likely underlying cause of the demonstrated abnormality?

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Question 694

Which of the following six images is most likely a case glioblastoma? 

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Question 695

Which of the following six images is most likely a case of one or more cerebral abscesses?