Chris O'Donnell on Radiopaedia.org

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
827 results found
Case

Thoracic endplate osteomyelitis/discitis - false positive FDG PET scan

 Diagnosis almost certain
Chris O'Donnell
Published 25 Jun 2012
68% complete
Nuclear medicineMRI
Case

Transitional cell carcinoma of the bladder

 Diagnosis probable
Chris O'Donnell
Published 24 Jun 2012
53% complete
CT
Case

Artifact mimicking bilateral acute subdural hematomas

 Diagnosis certain
Chris O'Donnell
Published 24 Jun 2012
92% complete
CT
Case

Spontaneous hemorrhage in polycystic renal disease

 Diagnosis certain
Chris O'Donnell
Published 24 Jun 2012
77% complete
CT
Case

Posterior cruciate ligament tear

 Diagnosis certain
Chris O'Donnell
Published 21 Jun 2012
86% complete
MRI
Case

Stress fracture - fibula

 Diagnosis certain
Chris O'Donnell
Published 21 Jun 2012
74% complete
MRI
Case

Septic arthritis of lumbosacral pseudoarthrosis

 Diagnosis certain
Chris O'Donnell
Published 21 Jun 2012
71% complete
CTMRI
Case

Squamous cell carcinoma of the pinna

 Diagnosis probable
Chris O'Donnell
Published 20 Jun 2012
50% complete
CT
Case

Segond fracture and bony avulsion of ACL origin

 Diagnosis certain
Chris O'Donnell
Published 20 Jun 2012
80% complete
CT
Case

Linitis plastica

 Diagnosis probable
Chris O'Donnell
Published 18 Jun 2012
61% complete
BariumCT
Case

Tarsal coalition

 Diagnosis certain
Chris O'Donnell
Published 18 Jun 2012
92% complete
MRI
Case

Ruptured stent-grafted abdominal aorta due to type III endoleak

 Diagnosis almost certain
Chris O'Donnell
Published 18 Jun 2012
62% complete
CT
Case

Ganglion cyst - wrist

 Diagnosis certain
Chris O'Donnell
Published 17 Jun 2012
77% complete
MRI
Case

Renal cell carcinoma with IVC invasion through to supradiaphragmatic level

 Diagnosis almost certain
Chris O'Donnell
Published 15 Jun 2012
77% complete
MRI
Case

Traumatic diastasis of the lambdoid suture

 Diagnosis certain
Chris O'Donnell
Published 10 Jun 2012
83% complete
CT
Case

Obstructed infected horseshoe kidney

 Diagnosis certain
Chris O'Donnell
Published 10 Jun 2012
80% complete
CT
Case

Parapharyngeal schwannoma

 Diagnosis certain
Chris O'Donnell
Published 08 Jun 2012
87% complete
UltrasoundMRI
Case

Ruptured sub gluteus maximus (trochanteric) bursa

 Diagnosis almost certain
Chris O'Donnell
Published 08 Jun 2012
62% complete
MRI
Case

Cystic pituitary adenoma

 Diagnosis probable
Chris O'Donnell
Published 07 Jun 2012
66% complete
CTMRI
Case

Bladder prolapse into vagina

 Diagnosis probable
Chris O'Donnell
Published 06 Jun 2012
64% complete
CTUltrasound
Case

Sclerotic proximal pole of scaphoid post-fracture

 Diagnosis certain
Chris O'Donnell
Published 04 Jun 2012
88% complete
X-ray
Case

Mesenteric adenitis

 Diagnosis almost certain
Chris O'Donnell
Published 04 Jun 2012
63% complete
Ultrasound
Case

Leptomeningeal metastases

 Diagnosis almost certain
Chris O'Donnell
Published 03 Jun 2012
77% complete
MRI
Case

Sandwich vertebrae - osteopetrosis

 Diagnosis almost certain
Chris O'Donnell
Published 03 Jun 2012
68% complete
MRI
Case

Vas deferens calcification

 Diagnosis certain
Chris O'Donnell
Published 01 Jun 2012
77% complete
CT
Case

SMA (Wilkie) syndrome

 Diagnosis almost certain
Chris O'Donnell
Published 30 May 2012
63% complete
Annotated image
Case

Carcinoma of the lung

 Diagnosis almost certain
Chris O'Donnell
Published 27 May 2012
59% complete
X-rayCT
Case

Spigelian hernia - traumatic

 Diagnosis certain
Chris O'Donnell
Published 27 May 2012
89% complete
CT
Case

Chronic pulmonary embolism

 Diagnosis certain
Chris O'Donnell
Published 27 May 2012
92% complete
CT
Case

Extruded lumbar disc fragment: penetrating the posterior longitudonal ligament

 Diagnosis certain
Chris O'Donnell
Published 10 May 2012
74% complete
MRI
Case

Transient bone marrow edema of the hip

 Diagnosis almost certain
Chris O'Donnell
Published 10 May 2012
73% complete
Nuclear medicineMRI
Case

Semitendinosis tendon tear post ACL graft

 Diagnosis certain
Chris O'Donnell
Published 04 May 2012
89% complete
MRI
Case

Ruptured distal rectus femoris musculo-tendinous junction

 Diagnosis certain
Chris O'Donnell
Published 04 May 2012
77% complete
MRI
Case

Anterior glenohumeral dislocation

 Diagnosis certain
Chris O'Donnell
Published 02 May 2012
79% complete
CT
Case

Avascular necrosis of the hip - post subcapital fracture

 Diagnosis almost certain
Chris O'Donnell
Published 02 May 2012
75% complete
X-ray
Case

Torn discoid lateral meniscus

 Diagnosis certain
Chris O'Donnell
Published 01 May 2012
74% complete
MRI
Case

Iliac artery compression by tumor

 Diagnosis certain
Chris O'Donnell
Published 30 Apr 2012
80% complete
CT
Case

Malignant colonic neoplasm presenting as small bowel obstruction

 Diagnosis almost certain
Chris O'Donnell
Published 30 Apr 2012
68% complete
CT
Case

Ruptured anterior communicating artery aneurysm with pericallosal hematoma

 Diagnosis certain
Chris O'Donnell
Published 30 Apr 2012
74% complete
CT
Case

Displaced Angelchik prosthesis

 Diagnosis certain
Chris O'Donnell
Published 30 Apr 2012
92% complete
CT
Case

Cephalohematoma

 Diagnosis almost certain
Chris O'Donnell
Published 29 Apr 2012
66% complete
Ultrasound
Case

Localized ischemic small bowel (ileum) - CT angiography

 Diagnosis almost certain
Chris O'Donnell
Published 28 Apr 2012
62% complete
CT
Case

Posterior dislocation of sternoclavicular joint

 Diagnosis certain
Chris O'Donnell
Published 28 Apr 2012
84% complete
CT
Case

Subarachnoid hemorrhage: lethal

 Diagnosis certain
Chris O'Donnell
Published 28 Apr 2012
73% complete
CT
Case

Bronchial carcinoid tumor

 Diagnosis probable
Chris O'Donnell
Published 28 Apr 2012
55% complete
CTX-ray
Case

Congenital PUJ obstruction

 Diagnosis certain
Chris O'Donnell
Published 27 Apr 2012
74% complete
MRI
Case

Renal angiogram - MR angiography

 Diagnosis not applicable
Chris O'Donnell
Published 26 Apr 2012
56% complete
MRI
Case

Silicone injected into both breasts

 Diagnosis certain
Chris O'Donnell
Published 26 Apr 2012
73% complete
MRIMammography
Case

Hyperdense middle cerebral artery sign

 Diagnosis certain
Chris O'Donnell
Published 25 Apr 2012
77% complete
CT
Case

Distended paraumbilical vein

 Diagnosis certain
Chris O'Donnell
Published 25 Apr 2012
74% complete
CT
Case

Pseudomembranous colitis - toxic megacolon

 Diagnosis almost certain
Chris O'Donnell
Published 25 Apr 2012
68% complete
CT
Case

Semimembranosus tendinopathy

 Diagnosis certain
Chris O'Donnell
Published 22 Apr 2012
77% complete
MRI
Case

Transient bone marrow edema

 Diagnosis almost certain
Chris O'Donnell
Published 22 Apr 2012
59% complete
MRI
Case

Medial tibial stress syndrome

 Diagnosis almost certain
Chris O'Donnell
Published 20 Apr 2012
63% complete
Nuclear medicine
Case

Ecchordosis physaliphora

 Diagnosis probable
Chris O'Donnell
Published 19 Apr 2012
63% complete
MRICT
Case

Ureteropelvic junction obstruction in lower pole moiety of duplex kidney

 Diagnosis certain
Chris O'Donnell
Published 19 Apr 2012
73% complete
Nuclear medicineCTUltrasound
Case

Fatty replacement of the pancreas

 Diagnosis certain
Chris O'Donnell
Published 19 Apr 2012
86% complete
MRI
Case

Vascular compression of esophagus

 Diagnosis certain
Chris O'Donnell
Published 18 Apr 2012
70% complete
BariumCT
Case

Hemorrhagic cerebral metastasis

 Diagnosis almost certain
Chris O'Donnell
Published 17 Apr 2012
67% complete
CTMRI
Case

Fat necrosis - breast

 Diagnosis almost certain
Chris O'Donnell
Published 17 Apr 2012
69% complete
Mammography
Case

Os acromiale

 Diagnosis certain
Chris O'Donnell
Published 17 Apr 2012
86% complete
MRI
Case

Optic neuritis

 Diagnosis certain
Chris O'Donnell
Published 15 Apr 2012
77% complete
MRI
Case

Pseudolaminar necrosis

 Diagnosis certain
Chris O'Donnell
Published 13 Apr 2012
74% complete
MRI
Case

Unilateral sacroiliitis

 Diagnosis certain
Chris O'Donnell
Published 13 Apr 2012
81% complete
CTMRI
Case

Slipped laparoscopic gastric band

 Diagnosis certain
Chris O'Donnell
Published 09 Apr 2012
80% complete
CT
Case

Avulsed ACL origin

 Diagnosis certain
Chris O'Donnell
Published 09 Apr 2012
89% complete
CT
Case

Chronic subclavian vein thrombosis

 Diagnosis certain
Chris O'Donnell
Published 09 Apr 2012
77% complete
CT
Case

Shock bowel

 Diagnosis almost certain
Chris O'Donnell
Published 08 Apr 2012
59% complete
CT
Case

Hypovolemia and hypotension - abdominal CT

 Diagnosis certain
Chris O'Donnell
Published 08 Apr 2012
71% complete
CT
Case

Splenic infarcts

 Diagnosis almost certain
Chris O'Donnell
Published 08 Apr 2012
62% complete
CT
Case

Rectus sheath hematoma

 Diagnosis certain
Chris O'Donnell
Published 08 Apr 2012
89% complete
CT
Case

Skull fracture in a toddler - suspected non-accidental injury

 Diagnosis probable
Chris O'Donnell
Published 08 Apr 2012
56% complete
CT
Case

Gas in biliary tree - false positive bile duct strictures (CT cholangiography)

 Diagnosis certain
Chris O'Donnell
Published 06 Apr 2012
81% complete
UltrasoundCT
Case

Terminal right vertebral artery dissection - post neck manipulation

 Diagnosis certain
Chris O'Donnell
Published 04 Apr 2012
80% complete
MRI
Case

Pseudomyxoma peritonei - appendiceal origin

 Diagnosis probable
Chris O'Donnell
Published 04 Apr 2012
53% complete
CT
Case

Benign epithelial or sebaceous cyst

 Diagnosis certain
Chris O'Donnell
Published 29 Mar 2012
92% complete
MRIUltrasound
Case

Subtalar osteoarthritis post ankle fusion

 Diagnosis certain
Chris O'Donnell
Published 28 Mar 2012
86% complete
X-rayCTNuclear medicine
Case

Missed Lisfranc fracture

 Diagnosis certain
Chris O'Donnell
Published 28 Mar 2012
92% complete
MRIX-ray
Case

Collapsed total ankle replacement

 Diagnosis certain
Chris O'Donnell
Published 27 Mar 2012
72% complete
X-rayCT
Case

Gastrointestinal stromal tumor (GIST) - esophagus

 Diagnosis probable
Chris O'Donnell
Published 26 Mar 2012
48% complete
BariumNuclear medicineCT
Case

Forearm (bone and soft tissue) vascular malformation

 Diagnosis almost certain
Chris O'Donnell
Published 26 Mar 2012
59% complete
X-rayUltrasoundMRI
Case

Incarcerated right femoral hernia - containing appendix

Chris O'Donnell
Published 25 Mar 2012
45% complete
CTUltrasound
Case

Secondary lymphedema of the breast

 Diagnosis certain
Chris O'Donnell
Published 22 Mar 2012
86% complete
MammographyUltrasoundCTMRI
Case

Pars tensa cholesteatoma

 Diagnosis almost certain
Chris O'Donnell
Published 21 Mar 2012
62% complete
CT
Case

Superior patellar plica

 Diagnosis certain
Chris O'Donnell
Published 21 Mar 2012
83% complete
MRI
Case

March fracture

 Diagnosis almost certain
Chris O'Donnell
Published 18 Mar 2012
65% complete
Nuclear medicineX-ray
Case

Insufficiency fracture distal tibia

 Diagnosis almost certain
Chris O'Donnell
Published 18 Mar 2012
72% complete
X-rayNuclear medicine
Case

Incidental small bowel malrotation

 Diagnosis certain
Chris O'Donnell
Published 17 Mar 2012
80% complete
CT
Case

Distended anal glands

 Diagnosis not applicable
Chris O'Donnell
Published 17 Mar 2012
45% complete
MRI
Case

Treated syringomyelia by occipital craniectomy

 Diagnosis almost certain
Chris O'Donnell
Published 14 Mar 2012
71% complete
MRI
Case

Pseudo IVP derived from CT abdomen

 Diagnosis not applicable
Chris O'Donnell
Published 14 Mar 2012
45% complete
CT
Case

Transient bone marrow edema (knee)

 Diagnosis probable
Chris O'Donnell
Published 14 Mar 2012
45% complete
MRI
Case

Malignant meningioma (WHO grade III)

 Diagnosis probable
Chris O'Donnell
Published 14 Mar 2012
50% complete
CT
Case

Quadriceps tendon avulsion

 Diagnosis certain
Chris O'Donnell
Published 14 Mar 2012
80% complete
MRI