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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Diaphragmatic rupture

Extensive pulmonary contusion and deep sulcus sign

Combined arterial and portal venous phase trauma CT

Traumatic flail chest

Chest crush injury

Left and right ventricular assist devices

Rib and scapular fractures

Traumatic aortic injury

Multitrauma chest x-ray

Pelvic fractures (Malgaigne fracture)

Acute and chronic vertebral compression fractures

Nissen fundoplication on CT

Large traumatic hemothorax

Normal trauma series x-rays

Trauma chest x-ray with rib fractures and subcutaneous emphysema

Hemothorax due to rib fractures

Normal supine trauma chest x-ray

Normal supine trauma chest x-ray with rotation

Apical capping due to thoracic fractures, pelvic trauma

Normal trauma chest, pelvis and spine imaging

Normal trauma chest and pelvis x-rays

Pneumothorax and pelvic fractures

Traumatic aortic injury

Hemothorax

Absent swallow tail sign in Parkinson disease

Substantia nigra anatomy

Red rumped swallow (diagram)

Salter-Harris type 1 fracture - finger

Perifissural nodule

Paget disease: with blade of grass sign

Peroneus longus tendon rupture associated with an os peroneum

Cerebellar agenesis

Bladder exstrophy

Chronic pancreatitis

Giant cell tumor of tendon sheath

Ischial tuberosity avulsion

Torn discoid lateral meniscus

Gallbladder car on ultrasound

Trichobezoar

Haglund syndrome

Epibasal thumb fracture

Ulcerative colitis with lead pipe appearance and arthropathy

Turf toe

Cholelithiasis - acoustic shadowing

Radius stress fracture

Rectus femoris origin ossification

Traumatic small bowel injury

Spiral fracture of femur

Ankylosing spondylitis presenting as gluteal enthesitis

Internal impingement of the shoulder

Osteochondroma

Supra-acetabular fossa

Subcoracoid impingement with subscapularis tendinosis and partial tear

Hoffa's fat pad impingement syndrome (ultrasound)

Tibialis anterior tenosynovitis

Distal intersection syndrome

Bosniak renal cyst - type II

Renal cyst - Bosniak IV

Left upper lobe pneumonia and pectus excavatum

Knee MRI - sagittal PD

Complete ACL tear with important associated injuries

Limbic encephalitis - small cell lung cancer

Tumefactive multiple sclerosis

Elbow radiograph - age eleven

Elbow radiograph - age nine

Elbow radiograph - age five

Elbow radiograph - age four

Elbow radiograph - age two

Hot nose sign - brain death

Soft tissue rim sign - ureteric stone

Coarctation of the aorta

Tea cup and trivial pursuit

Signet ring (photo)

Hirayama disease

Omental torsion related to inguinal hernia

Bucket handle meniscal tear and old partial ACL tear

Medial patellar plica syndrome

Stuck disc - temporomandibular joint

Disclosures: