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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Pelvic fracture with extraperitoneal hemorrhage

Penetrating wood injury to axilla

Peroneus longus tendon rupture associated with an os peroneum

Pharyngeal pouch

'Pill cam' related small bowel perforation

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

Posterior cruciate ligament tear and associated injuries

Posterior dislocation of sternoclavicular joint

Posterior shoulder dislocation with reverse Hill-Sachs

Posterior shoulder dislocation with reverse Hill-Sachs and reverse Bankart lesions

Prepatellar gout on dual energy CT

Prominent cervical vertebral venous channels

Prominent perivascular space

Proximal femoral fracture

Proximal humeral metastasis

Proximal phalanx osteomyelitis following laceration

Proximal radial shaft fracture with radial head subluxation

Proximal rupture of long head biceps brachii tendon

Pubic ramus stress fracture

Pulmonary edema

Pyknodysostosis

Radius stress fracture

Recent patella dislocation (MRI)

Rectus femoris origin ossification

Rectus femoris origin partial tear

Renal cyst - Bosniak IV

Rib and scapular fractures

Rickets

Right diaphragmatic injury initially missed

Right hemipelvis metastases simulating Paget disease

Right lower lobe sub-segmental pulmonary emboli

Right upper lobe pneumonia

Rotator cuff enthesitis in ankylosing spondylitis

Saber sheath trachea

Sacral and parasymphyseal insufficiency fractures

Salter-Harris type 1 fracture - finger

Scaphoid impaction syndrome

Scapholunate dissociation

Scapholunate ligament complete tear

Scleroderma - small bowel involvement

Scleroderma with acro-osteolysis

Sclerotic rib lesion simulating a pulmonary nodule

Seurat spleen - blunt splenic trauma

Severe facial fractures and right orbital encephalocele

Short humerus due to premature growth plate fusion

Shoulder fracture dislocation with lipohemarthrosis

Sickle cell disease

Sinus tarsi syndrome

Skin fold mimicking pneumothorax

Skull base schwannoma

Small bowel obstruction and ankylosing spondylitis

Small carotid body tumor

Soft tissue rim sign - ureteric stone

Spiral fracture of femur

Splenic and renal injuries

Splenic injury with active bleeding treated with embolization

Splenic, small bowel and pelvic trauma

Spontaneous lumbar intraspinal hematoma

Stener lesion

Sternal fracture on CT

Sternal fracture with retrosternal hemorrhage

Subcoracoid impingement with subscapularis tendinosis and partial tear

Subdural hematoma, uncal herniation and Duret brainstem hemorrhage

Subtle sacral fracture with trace pre-sacral hemorrhage

Superior mesenteric vein thrombosis

Supine pneumothorax (deep sulcus sign)

Supra-acetabular fossa

Suprapatellar plica syndrome

Supraspinatus calcific tendinitis treated with barbotage

Supraspinatus partial tear with subacromial impingement

Symptomatic foramen tympanicum

Disclosures: