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
128 results found
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Question 2846

Which of the following tumors is LEAST likely to be included in a list of "long term epilepsy-associated tumors"?

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Question 562

Using immunohistochemistry, dysembryoplastic neuroepithelial tumors (DNETs) are usually positive for all of the following EXCEPT:

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Question 2841

Which of the following metabolites accumulates in patients with isocitrate dehydrogenase (IDH) mutations and results in an increased likelihood of seizures?

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Question 2847

Which of the following features would be LEAST expected in a polymorphous low-grade neuroepithelial tumor of the young (PLNTY)?

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Question 2845

Which of the following is FALSE regarding gangliogliomas?

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Question 2844

Which of the following features is helpful in distinguishing a dysembryoplastic neuroepithelial tumor (DNET) from a multinodular and vacuolating neuronal tumor (MVNT)?

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Question 613

Which of the following is a good prognostic factor for glioblastoma (GBM)?

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Question 1161

Ependymomas are most commonly encountered in the...

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Question 1163

Which of the following is a molecular subtype of ependymoma associated with a poor prognosis?

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Question 821

This 35-year-old man has a history of prior resection of a small renal cell carcinoma. Taking into account the findings seen on the accompanying CT and MRI, what underlying condition are they most likely to have?

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Question 820

A 9-year-old boy presents with nystagmus and ataxia. He is investigated with a brain MRI. What is the most likely diagnosis?

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Question 819

A 50-year-old man presents with deteriorating memory over the last 3 months. He has a history of right eye rhabdomyosarcoma treated with surgery. No other known illnesses. He is investigated with an MRI of the brain. What is the most likely diagnosis?

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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? 

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Question 696

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

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Question 697

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

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Question 693

Which of the following six images is most likely a case of one or more acoustic schwannomas? 

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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 1314

What is this appearance typical of?

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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?