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.

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Chris O'Donnell ◉

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Enlarged arc of Riolan and marginal artery of Drummond secondary to occluded celiac axis and superior mesenteric artery

Azygos and hemiazygos veins

Bilateral chronic common carotid occlusion

Giant cell arteritis of the distal superficial femoral artery

Ruptured thoracic aortic dissection

Indirect cavernous sinus arterio-venous fistula

Spontaneous inferior vena cava thrombosis

High grade proximal ICA stenosis - intracranial MRA findings

Post partum right ovarian vein thrombosis (thrombophlebitis)

Left superior vena cava

Reversible cerebral vasoconstriction syndrome

Contrast flow phenomenon in inferior vena cava

Thrombosed left-sided (transposed) IVC filter

Bleeding hemorrhoids - importance of coverage in CT mesenteric angiography

Muscle edema secondary to calf DVT on MRI

Critical carotid stenosis - CTA findings

Post neck manipulation ICA dissection presenting as Horner sydrome

N-butyl-2-cyanoacrylate pulmonary embolism and left adrenal venous infarction

Active colonic bleeding: importance of preliminary non-contrast, arterial phase and delayed phase imaging on CT mesenteric angiography

Localized renal artery dissection

Lung cancer on CTPA: extrinsic compression of pulmonary artery

Puerperal sepsis

Post traumatic occlusion of the brachial artery

Traumatic pseudoaneurysm left brachial artery (knife wound)

Posterior cranial fossa dural arteriovenous fistula - pulsatile tinnitus

Varicose veins on knee radiograph

Non-occlusive intraluminal internal carotid artery thrombus

Chronic brachial plexopathy and axillary artery occlusion post shoulder trauma

Pelvi-ureteric obstruction with aberrant accessory lower pole renal artery

Left middle cerebral artery branch embolus causing stroke

Positional compression of the left axillary artery by the pectoralis minor muscle

Reperfusion testicular hyperemia post torsion correction

Splenium of corpus callosum acute infarction - posterior pericallosal artery territory

Evolution of cerebral infarction: edema to laminar necrosis and hemorrhagic transformation then to atrophy

Popliteal artery aneurysm

Ruptured external iliac artery post coronary angiogram

Artifactual basilar artery stenosis due to metallic stent

Fibromuscular dysplasia (right renal artery)

Acute medullary pyramidal infarction

Turbulent flow in thoracic aortic aneurysm

Spontaneous right ICA and vertebral artery dissection - underlying fibromuscular dysplasia

Focal traumatic subdural hematoma in a baby

Loop-the-loop internal carotid artery

Delayed rupture of the spleen - traumatic pseudoaneurysms and A-V fistula

Giant cell aortitis

Massive multinodular goiter causing venous obstruction

Penetrating ulcer ascending aorta

Carotid sheath abscess 12 days post endarterectomy

Thoracic aortic pseudoaneurysm

Saccular abdominal aortic aneurysms

Duplicated left renal vein

Superior mesenteric artery dissection

Persistent trigeminal artery

Ruptured stent-grafted abdominal aorta due to type III endoleak

Renal cell carcinoma with IVC invasion through to supradiaphragmatic level

Chronic pulmonary embolism

Iliac artery compression by tumor

Localized small bowel ischemia - ileum (CT angiography)

Renal angiogram - MR angiography

Chronic subclavian vein thrombosis

Hypovolemia and hypotension - abdominal CT

Terminal right vertebral artery dissection - post neck manipulation

Forearm (bone and soft tissue) vascular malformation

Surgically corrected type A thoracic aortic dissection

Brain death

Cavernous transformation of the portal vein

Marfan syndrome - ascending aorta aneurysm

Ischemic colitis

Spontaneous Stanford type B dissection of the thoracic aorta masquerading as pulmonary embolism

Spontaneous right internal carotid artery dissection

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