Andrew Dixon ◉

MBBS (Hons) FRANZCR

Andrew is a Consultant Radiologist at the Alfred Hospital in Melbourne, Australia. He has primary subspecialty expertise in neuroradiology, with secondary interests in musculoskeletal imaging and trauma radiology.

He is a keen radiology educator, having achieved international recognition for his courses including Radiopaedia's Trauma Radiology Course, Emergency Radiology Course and Medical Imaging Anatomy Course. He founded the Radiology Channel on YouTube.

He is currently Radiopaedia's academic director and was co-convenor of the Radiopaedia Virtual Conference in 2020, 2021, 2022 and 2023. His favourite emoji is 🍍

Andrew is a director of Radiopedia Events Pty Ltd

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275 results found

Andrew Dixon ◉ edited the...

Question According to diagnostic criteria for idiopathic intracranial hyperten... 3 days ago

Reviewed by Rohit Sharma ◉ 3 days ago

Andrew Dixon ◉ edited the...

Question According to diagnostic criteria for idiopathic intracranial hyperten... 4 days ago

Reviewed by Rohit Sharma ◉ 4 days ago

Andrew Dixon ◉ created the...

Question Which of these structures can help to distinguish between a tumour ar... 4 days ago

Reviewed by Joachim Feger ◉ 4 days ago

Andrew Dixon ◉ created the...

Question According to diagnostic criteria for idiopathic intracranial hyperten... 5 days ago

Reviewed by Joachim Feger ◉ 5 days ago

Andrew Dixon ◉ created the...

Question In skeletally immature individuals, the adductor longus originates fr... 21 days ago

Reviewed by Joachim Feger ◉ 21 days ago

Andrew Dixon ◉ edited the...

Question Which oblique lumbar radiographic technique is depicted here and whic... 3 months ago

Reviewed by Mohammad Taghi Niknejad ◉ 3 months ago

Andrew Dixon ◉ edited the...

Question Which radiographic projection allows for better visualization of the... 3 months ago

Reviewed by Amanda Er ◉ 3 months ago

Andrew Dixon ◉ edited the...

Question Which oblique lumbar radiographic technique is depicted here and whic... 3 months ago

Reviewed by Amanda Er ◉ 3 months ago

Andrew Dixon ◉ edited the...

Question Bertolotti syndrome is a painful manifestation of a lumbosacral trans... 3 months ago

Reviewed by Mohammad Taghi Niknejad ◉ 3 months ago

Andrew Dixon ◉ edited the...

Question Which of the following types of MR sequences is best for visualisatio... 11 months ago

Reviewed by Andrea Molinari ◉ 11 months ago

Andrew Dixon ◉ edited the...

Question A hemivertebra that is compensated by overgrowth of an adjacent segme... 11 months ago

Reviewed by Joachim Feger ◉ 11 months ago

Andrew Dixon ◉ edited the...

Question An ununited secondary ossification center of a vertebral articular pr... 11 months ago

Reviewed by Joachim Feger ◉ 11 months ago

Andrew Dixon ◉ created the...

Question Which of these nerves does NOT supply pain sensation to the ear?... about 1 year ago

Reviewed by Rohit Sharma ◉ about 1 year ago

Andrew Dixon ◉ edited the...

Question What is the structure indicated by the arrow on this axial temporal b... about 1 year ago

Reviewed by Rohit Sharma ◉ about 1 year ago

Andrew Dixon ◉ edited the...

Question Which imaging feature is most suggestive of a carotid space mass?... about 1 year ago

Reviewed by Joachim Feger ◉ about 1 year ago

Andrew Dixon ◉ edited the...

Question If a suprahyoid neck mass extends through foramen ovale, it most like... about 1 year ago

Reviewed by Joachim Feger ◉ about 1 year ago

Andrew Dixon ◉ created the...

Question Chest radiograph of a young adult. The outline of what normal structu... over 1 year ago

Reviewed by Mohamed Saber ◉ over 1 year ago

Andrew Dixon ◉ edited the...

Question What complication of transtentorial herniation has occured?... almost 2 years ago

Reviewed by Travis Fahrenhorst-Jones ◉ almost 2 years ago

Andrew Dixon ◉ edited the...

Question Effacement of which structure is characteristic of transtentorial her... almost 2 years ago

Reviewed by Ian Bickle ◉ almost 2 years ago

Andrew Dixon ◉ edited the...

Question In what vascular territory/s has infarction occurred in this patient?... almost 2 years ago

Reviewed by Ian Bickle ◉ almost 2 years ago

Andrew Dixon ◉ edited the...

Question At what level do most fibers of the corticospinal tract cross?... almost 2 years ago

Reviewed by Ian Bickle ◉ almost 2 years ago

Andrew Dixon ◉ edited the...

Question What normal finding on a head CT has an HU measurement closest to zer... almost 2 years ago

Reviewed by Ian Bickle ◉ almost 2 years ago

Andrew Dixon ◉ edited the...

Question On MRI, which of the following is most likely to be seen in the orbit... almost 2 years ago

Reviewed by Joachim Feger ◉ almost 2 years ago

Andrew Dixon ◉ edited the...

Question Which of the following findings on a sagittal T2-weighted MRI is most... almost 2 years ago

Reviewed by Joachim Feger ◉ almost 2 years ago

Andrew Dixon ◉ created the...

Question Number 4 is labelling which part of the bone?... over 2 years ago

Reviewed by Ayla Al Kabbani ◉ over 2 years ago

Andrew Dixon ◉ created the...

Question The letter C is indicating which part of the bone?... over 2 years ago

Reviewed by Ayla Al Kabbani ◉ over 2 years ago

Andrew Dixon ◉ created the...

Question What nerve is the most common connection between the facial nerve (CN... almost 3 years ago

Reviewed by Jeremy Jones ◉ almost 3 years ago

Andrew Dixon ◉ created the...

Question Which segment of the facial nerve is LEAST likely to enhance when nor... almost 3 years ago

Reviewed by Jeremy Jones ◉ almost 3 years ago

Andrew Dixon ◉ created the...

Question Regarding structural Müllerian duct abnormalities, which condition ha... about 3 years ago

Reviewed by Andrew Murphy ◉ about 3 years ago

Andrew Dixon ◉ created the...

Question Splenic sequestration tends to occur more often in which patients?... about 3 years ago

Reviewed by Joachim Feger ◉ about 3 years ago

Andrew Dixon ◉ created the...

Question Which is the most superficial level of the gastric wall to contain ga... about 3 years ago

Reviewed by Joachim Feger ◉ about 3 years ago

Andrew Dixon ◉ created the...

Question Squamous cell carcinomas are the most common malignancy arising from... about 3 years ago

Reviewed by Ammar Haouimi ◉ about 3 years ago

Andrew Dixon ◉ created the...

Question The mandibular gingiva is contiguous with the buccal mucosa via the..... about 3 years ago

Reviewed by Ammar Haouimi ◉ about 3 years ago

Andrew Dixon ◉ created the...

Question Which component of the ostiomeatal complex is marked with the white c... over 3 years ago

Reviewed by Andrew Murphy ◉ over 3 years ago

Andrew Dixon ◉ edited the...

Article Pericardial fat pads over 3 years ago

Reviewed by Frank Gaillard ◉ ◈ over 3 years ago

Andrew Dixon ◉ edited the...

Question What are the numbered structures in this image?... over 3 years ago

Reviewed by Frank Gaillard ◉ ◈ over 3 years ago

Andrew Dixon ◉ edited the...

Question Which is FALSE regarding normal lines and measurements on a lateral c... over 3 years ago

Reviewed by Joachim Feger ◉ over 3 years ago

Andrew Dixon ◉ edited the...

Question Lateral cervical radiograph in a young adult with neck pain. Which of... over 3 years ago

Reviewed by Rohit Sharma ◉ over 3 years ago

Andrew Dixon ◉ edited the...

Question Flexion and extension radiographs performed in a young adult female w... over 3 years ago

Reviewed by Rohit Sharma ◉ over 3 years ago

Andrew Dixon ◉ edited the...

Question Which is FALSE regarding normal lines and measurements on a lateral c... over 3 years ago

Reviewed by Rohit Sharma ◉ over 3 years ago

Andrew Dixon ◉ edited the...

Question Which of the following is the most common anatomical variation of C1... over 3 years ago

Reviewed by Rohit Sharma ◉ over 3 years ago

Andrew Dixon ◉ created the...

Question Two patients (A & B) with neck pain after trauma. Which patient h... over 3 years ago

Reviewed by Henry Knipe ◉ over 3 years ago

Andrew Dixon ◉ created the...

Question How many joints exist between typical cervical vertebrae? ... over 3 years ago

Reviewed by Edgar Lorente ◉ over 3 years ago

Andrew Dixon ◉ created the...

Question A middle-aged woman with right arm radiculopathy is investigated with... over 3 years ago

Reviewed by Frank Gaillard ◉ ◈ over 3 years ago

Andrew Dixon ◉ created the...

Question Zoomed lateral image of the lower cervical spine in a young adult mal... over 3 years ago

Reviewed by Frank Gaillard ◉ ◈ over 3 years ago

Andrew Dixon ◉ created the...

Question Lateral cervical radiograph in a young adult with neck pain. Which of... over 3 years ago

Reviewed by Ammar Haouimi ◉ over 3 years ago

Andrew Dixon ◉ created the...

Question Which is NOT part of Steele’s rule of thirds for the normal dimension... over 3 years ago

Reviewed by Andrew Murphy ◉ over 3 years ago

Andrew Dixon ◉ created the...

Question Which of the following lines or thicknesses is abnormal on this radio... over 3 years ago

Reviewed by Andrew Murphy ◉ over 3 years ago

Andrew Dixon ◉ created the...

Question Which of the following is the most common anatomical variation of C1... over 3 years ago

Reviewed by Andrew Murphy ◉ over 3 years ago

Andrew Dixon ◉ created the...

Question Which is FALSE regarding normal lines and measurements on a lateral c... over 3 years ago

Reviewed by Andrew Murphy ◉ over 3 years ago

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Andrew Dixon ◉

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