Chris O'Donnell ◉

MB BS, FRANZCR, M.Med, GradDipForMed, FFFPMI (RCPA)

Chris is a specialist necroradiologist and consultant forensic radiologist at the Victorian Institute of Forensic Medicine (VIFM), and adjunct senior lecturer, Department of Forensic Medicine, Monash University. He also works as a clinical radiologist. He installed one of the world’s first mortuary-based CT scanners at VIFM in 2005 and was lead radiologist in the Black Saturday bushfire DVI operation in 2009. He has trained many local and international forensic pathologists and radiologists in post-mortem CT (PMCT).

Chris is convenor of an annual short course in PMCT interpretation for Monash University that has now become a unit of the Monash University Master of Forensic Medicine programme. He provides expert opinion on forensic matters to the criminal justice system of Victoria and other states of Australia. He is past chair of the International Society of Forensic Radiology and Imaging, and is currently overseeing the installation of an MRI scanner into the mortuary at VIFM.

Disclosures:

Nothing to disclose

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Chris O'Donnell ◉

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Crohn disease

Foreign body in right bronchus

Pseudo-subarachnoid hemorrhage

Bone metastasis - breast cancer

Paget disease

Unilateral sacroiliitis

Metastatic prostate cancer to Pagetoid bone - value of (Ga68)PSMA scan

Bile leak from accessory duct(s) of Luschka post cholecystectomy

Insufficiency fracture - calcaneum

Chronic submandibular sialolithiasis

Splenium of corpus callosum acute infarction - posterior pericallosal artery territory

Hemorrhagic cystitis

Vagal schwannoma

Common extensor tendinopathy (lateral epicondylitis)

Jugular paraganglioma

Lumbar vertebral osteomyelitis (sans discitis)

Loculated acute subdural hematoma masquerading as an extradural

Von Hippel-Lindau syndrome - renal manifestations

Myositis ossificans

Ghost meniscus

Deep benign fibrous histiocytoma

Prominent intraosseous arachnoid granulations (foveolae granulations)

L5/S1 endplate osteomyelitis/discitis with epidural abscess

Laparoscopic gastric band - MRI findings

Blow-out fracture right orbital floor

Giant cell arteritis of the distal superficial femoral artery

Perforated sigmoid diverticular disease into the retroperitoneum

Plantaris tendon tear

Fournier gangrene - spontaneous perforation of rectal cancer

Urinoma seconday to calyceal rupture - chronic ureteric obstruction

Hydronephrosis due to calculus

Malignant biliary obstruction - Courvoisier sign

Inflammatory arthritis

Amiodarone hepatotoxicity

Left atrial appendage closure device

Distended left iliopsoas bursa - causing acute femoral nerve palsy

Progression of stress to full thickness fracture

Cerebral hemiatrophy

Torus mandibularis

Azygos and hemiazygos veins

Hypovolemia and hypotension - abdominal CT

Semimembranosus tendinopathy

Jugular foramen schwannoma

Renal lymphoma

Normal coracoclavicular ligament

Suture granuloma

Septic pulmonary infarcts in an IV drug user

Septic arthritis of lumbosacral pseudoarthrosis

Penetrating injury to the thigh - importance of the sartorius muscle in protecting the superficial femoral artery

Complete pancreatic lipomatosis: cystic fibrosis

Choledocholithiasis - hyperdense stones

Chronic subdural hematoma - importance of dural membranes

Isodense subdural hematoma

Sclerotic metastases from carcinoma of the prostate

Pituitary mass with a fluid-fluid level

Intrahepatic portal vein-hepatic vein fistula

Acute appendicitis arising from a malrotated cecum

Gallbladder perforation secondary to acute cholecystitis

Perforated gallbladder with subcapsular biloma

Perforated descending colonic diverticulitis into the anterior abdominal wall

Snake eye appearance - residue of compressive myelopathy post surgical decompression

Intra-conal orbital metastasis - breast cancer

Clay-shoveler fracture

Sesamoiditis - hallux sesamoid

Emphysematous gastritis due to gastric necrosis/infarction

Contrast flow phenomenon in inferior vena cava

MRI artifact - tattooed eyeliner

Rheumatoid nodules

PPE-associated artifact on MRI brain

Spontaneous tibial insert dislodgement in unicompartmental knee prosthesis

Transient lumbar disc vacuum phenomenon

Transient bone marrow edema

Temporal lobe atrophy post herpes simplex encephalitis

Sclerotic proximal pole of scaphoid post-fracture

Ureteropelvic junction obstruction in lower pole moiety of duplex kidney

Pars tensa cholesteatoma

Collapsed total ankle replacement

Spontaneous osteonecrosis of the knee

Disclosures: