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).

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Question Looking at a bone algorithm axial image of the skull/brain using brai... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 4 changes to the...

Question Which of the following best described the term "helical scanning... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 4 changes to the...

Question Why can thin acute intracranial subdural haemorrhages be difficult to... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question Which of the following CT window settings would be considered most na... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question Which of the following CT window width (W) and level (L) settings wou... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 7 changes to the...

Question What do you think is the most likely diagnosis?... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question Which of the following imaging characteristics is LEAST in keeping wi... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 4 changes to the...

Question In an adult, a medulloblastoma located laterally within the cerebella... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 4 changes to the...

Question Which of the following medulloblastoma molecular subgroup has the bes... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question In transverse fractures of the petrous temporal bone, which cranial n... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question Acute skull fractures are best assessed with which modality?... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question Which of the following statements regarding penetrating brain injurie... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 4 changes to the...

Question Which of the following signs is NOT a CT sign of global hypoxic-ischa... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 12 changes to the...

Question Which of the following types of haemorrhage is NOT common in closed h... over 6 years ago

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Question The gunshot wound shown in the accompanying image is an example of wh... over 6 years ago

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Question Duret haemorrhages are the result of severe...... over 6 years ago

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Question Which type of cerebral herniation can result in occlusion of the ipsi... over 6 years ago

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Question What radiological sign is used to describe a tension pneumocephalus? ... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question Which of the following locations is most characteristic for traumatic... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question This case demonstrates a contrecoup traumatic brain injury. Where is... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 4 changes to the...

Question Which of the following statements best describes the contrecoup patte... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 4 changes to the...

Question Which of the following locations is usually NOT associated with venou... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question Which of the following images best depicts an extradural haemorrhage?... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 7 changes to the...

Question Which of the following images best depicts a traumatic subarachnoid h... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question All of the following statements are true EXCEPT... ... over 6 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question Subdural hygromas represent...... over 6 years ago

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Question Which of the following sequence combinations would constitute a typic... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question The pituitary gland has all of the following anatomical relations EXC... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question The most useful imaging modality/sequence for detection and localisat... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question The anterior pituitary gland is immediately surrounded by... ... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question The anterior pituitary receives its blood supply...... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question A young woman with a history of schizophrenia presents for an MRI exa... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question What is the non-contrast T1 signal intensity of the posterior lobe of... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 7 changes to the...

Question The anterior lobe of the pituitary is derived from the...... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question What is the underlying cause of the skull-shape abnormality in the ac... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question What is the most likely underlying cause of this renal stone?... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question What is the likelihood of a 4 mm maximal diameter ureteric stone pass... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question Which of the following types of renal calculi are radiolucent on CT (... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question What is the most common composition of renal calculi? ... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question In most cases, what is the main constituent of 'staghorn' renal calcu... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question A 35-year-old woman with a lengthy history of headaches has no signif... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question This 35-year-old man has a history of prior resection of a small rena... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question A 9-year-old boy presents with nystagmus and ataxia. He is investigat... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question A 50-year-old man presents with deteriorating memory over the last 3... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question Which of the following histological subtypes of meningioma is LEAST l... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question What type of Le Fort fracture is demonstrated in these coronal images... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question A 65-year-old patient with an astrocytic tumour with necrosis is biop... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question A 40-year-old male, with no prior history of a brain tumour, undergoe... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 6 changes to the...

Question What is the most common clinical presentation of pleomorphic xanthoas... almost 7 years ago

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Frank Gaillard ◉ ◈ created and made 5 changes to the...

Question A 55-year-old male, previously well, presents with ataxia and is inve... almost 7 years ago

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