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.

Andrew is a director of Radiopedia Events Pty Ltd

Disclosures:

Nothing to disclose

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Andrew Dixon ◉

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Normal orthopantomogram (OPG)

Normal pelvic bone CT (age 16)

Normal petrous temporal bone CT

Normal shoulder MRI

Normal supine trauma chest x-ray

Normal supine trauma chest x-ray in an obese woman

Normal supine trauma chest x-ray with rotation

Normal thymus and pericardial recess

Normal thymus on trauma CT

Normal trauma cervical spine MRI

Normal trauma chest and pelvis x-rays

Normal trauma chest, pelvis and spine imaging

Normal trauma series x-rays

Normal trauma spine imaging

Normal trauma spine imaging (age 16)

Normal wrist CT including 3D

Normal wrist MRI

Normal wrist x-rays

Occipital condyle fracture

Occipital extradural hematoma simulating venous sinus thrombosis

Odontogenic keratocyst - pediatric

Esophageal dilatation due to obstructing gastric band

Old avulsion fracture at metacarpophalangeal joint

Olecranon foramen

Omental torsion related to inguinal hernia

Open book pelvic injury

Os acromiale with impingement

Os calcaneus secundarius

Osteochondral fracture of the talar dome

Osteochondroma

Osteomyelitis

Osteoporosis circumscripta

Ovarian fibroma (gross pathology)

Ovarian mucinous cystadenoma (gross pathology)

Ovarian torsion (gross pathology)

Ovarian torsion with dermoid cyst

Ovarian torsion with twisted pedicle

Paget disease of proximal humerus

Paget disease: with blade of grass sign

Pancreatic carcinoma with portal vein invasion

Parotid adenoidcystic carcinoma with carotid space spread

Parrot beak lateral meniscus tear and bucket handle medial mensicus tear

Partial anomalous pulmonary venous return (left upper lobe)

Patchy right lower lobe consolidation

Patella fracture simulating bipartite patella

Patellar instability risk factor assessment (diagram)

Patellar tendinosis

Patella tendon lateral femoral condyle friction syndrome

Pelvic bleeding treated with embolization

Pelvic fractures

Pelvic fractures (Malgaigne fracture)

Pelvic fracture with extraperitoneal hemorrhage

Penetrating wood foreign body injury to axilla

Penetrating wood injury to axilla

Peptic ulcer with early localized perforation

Pericarditis

Perifissural nodule

Peroneus longus tendon rupture associated with an os peroneum

Pes anserinus bursa (diagram)

Pes anserinus tendon (diagram)

PHACE syndrome

Pharyngeal pouch

'Pill cam' related small bowel perforation

Pineal cyst

Pituitary macroadenoma

Placental abruption

Planum sphenoidale meningioma

Pneumocystis pneumonia

Pneumocystis pneumonia

Pneumoperitoneum

Pneumothorax and pelvic fractures

Pneumothorax on expiratory radiograph

Pneumothorax with deep sulcus sign

Polyarticular foot gout on dual energy CT

Pontine infarction

Popliteal artery entrapment syndrome

Popliteus tendon gout on MRI

Posterior cruciate ligament tear and associated injuries

Disclosures: