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Andrew Dixon on Radiopaedia.org

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

Disclosures:

Nothing to disclose

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315 results

Question 1522

Which is NOT TRUE of vasogenic cerebral oedema?

Question 1529

This 16-year-old female fell from a ladder. Which is correct regarding her L2 and L3 vertebral bodies?

Question 1530

30-year-old female involved in a car accident. Which of the following in NOT fractured?

Question 1531

Which is FALSE regarding traumatic urethral injury?

Question 1582

Which characteristic would most help in distinguishing meningioma from schwannoma at the skull base?

Question 1583

Which is FALSE regarding craniofacial fibrous dysplasia?

Question 1584

Which feature would be most helpful to distinguish chordoma from chondrosarcoma at the clivus?

Question 1652

Which is LEAST CORRECT regarding a testing set in machine learning for radiology image classification?

Question 1809

According to the Anderson and D'Alonzo classification, which type of odontoid fracture is seen on this PEG view?

Question 1810

Flexion and extension radiographs performed in a young adult female with neck pain. Which of the following best describes the findings?

Question 1811

Which is FALSE regarding normal cervical spine radiographic anatomy?

Question 1812

Which is FALSE regarding normal lines and measurements on a lateral cervical spine radiograph in adults?

Question 1813

Which of the following is the most common anatomical variation of C1 (atlas)?

Question 1814

Which of the following lines or thicknesses is abnormal on this radiograph?

Question 1815

Which best describes a hangman fracture?

Question 1816

Which is NOT part of Steele’s rule of thirds for the normal dimensions of the upper cervical canal at C1?

Question 1819

Lateral cervical radiograph in a young adult with neck pain. Which of the following best accounts for the arrowed density seen below the anterior arch of C1?

Question 1820

Zoomed lateral image of the lower cervical spine in a young adult male. Which best describes the arrowed structures?

Question 1821

A middle-aged woman with right arm radiculopathy is investigated with oblique cervical spine radiographs. The right C5-6 intervertebral foramen appears kidney bean shaped with a concave anterior margin. Which would be the most appropriate interpretation?

Question 1822

Middle-aged adult with neck pain following trauma. Which would be the most correct interpretation for their lateral cervical x-ray?

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