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

Rheumatoid nodules

 Diagnosis certain
Chris O'Donnell
Published 14 Sep 2021
92% complete
DiagramMRI
Case

PPE-associated artifact on MRI brain

 Diagnosis certain
Chris O'Donnell
Published 26 Jul 2020
89% complete
MRI
Case

Renal lymphoma

 Diagnosis certain
Chris O'Donnell
Published 30 Nov 2018
87% complete
UltrasoundFluoroscopyPathologyCT
Case

Plantaris tendon tear

 Diagnosis certain
Chris O'Donnell
Published 30 Nov 2018
91% complete
Ultrasound
Case

Biker nodule - perineum

 Diagnosis certain
Chris O'Donnell
Published 24 Oct 2018
89% complete
UltrasoundMRI
Case

Perineural spread of tumor along infraorbital nerve

 Diagnosis almost certain
Chris O'Donnell
Published 09 Apr 2018
77% complete
MRI
Case

Chronic abscess due to "dropped" appendicoliths following appendectomy for perforated appendix

 Diagnosis certain
Chris O'Donnell
Published 19 Mar 2018
89% complete
CTUltrasound
Case

Gross dystrophic calcification of the breast following radiotherapy

 Diagnosis certain
Chris O'Donnell
Published 28 Feb 2018
94% complete
Mammography
Case

Lactating adenoma

 Diagnosis certain
Chris O'Donnell
Published 27 Feb 2018
91% complete
Ultrasound
Case

Penetrating injury to the left flank with active bleeding and spinal canal gas

 Diagnosis certain
Chris O'Donnell
Published 20 Feb 2018
95% complete
CT
Case

Functional assessment of penile implant using MRI

 Diagnosis certain
Chris O'Donnell
Published 12 Feb 2018
92% complete
MRI
Case

Extradural hematoma - venous

 Diagnosis certain
Chris O'Donnell
Published 11 Feb 2018
92% complete
MRI
Case

Progressive fatty liver and hepatic cysts

 Diagnosis certain
Chris O'Donnell
Published 07 Feb 2018
95% complete
CT
Case

Ectopic ureteric bladder insertion in a non-duplex kidney

 Diagnosis certain
Chris O'Donnell
Published 05 Feb 2018
92% complete
CT
Case

Hemochromatosis-associated arthropathy

 Diagnosis certain
Chris O'Donnell
Published 05 Feb 2018
91% complete
X-ray
Case

Susceptibility artifact on brain MRI due to gas bubbles

 Diagnosis certain
Chris O'Donnell
Published 04 Feb 2018
95% complete
MRI
Case

Musculotendinous rupture of infraspinatus

 Diagnosis certain
Chris O'Donnell
Published 04 Feb 2018
89% complete
MRI
Case

Advanced scalp squamous cell carcinoma with invasion of the brain

 Diagnosis certain
Chris O'Donnell
Published 02 Feb 2018
95% complete
MRI
Case

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

 Diagnosis certain
Chris O'Donnell
Published 31 Jan 2018
95% complete
CT
Case

Ruptured proximal ilio-tibial band

 Diagnosis certain
Chris O'Donnell
Published 29 Jan 2018
95% complete
MRI
Case

Urinary bladder clot retention

 Diagnosis certain
Chris O'Donnell
Published 21 Jan 2018
95% complete
CT
Case

Dog bite fracture

 Diagnosis certain
Chris O'Donnell
Published 19 Jan 2018
81% complete
X-rayCT
Case

3 T v 1.5 T MRI prostate with total hip prosthesis

 Diagnosis certain
Chris O'Donnell
Published 16 Dec 2017
92% complete
MRI
Case

Aggressive angiomyolipoma

 Diagnosis certain
Chris O'Donnell
Published 01 Oct 2017
95% complete
CTUltrasound
Case

Cavitating pulmonary infarction

 Diagnosis certain
Chris O'Donnell
Published 19 Jul 2017
95% complete
CT
Case

Pseudo-pituitary enlargement (a push-up phenomenon)

 Diagnosis certain
Chris O'Donnell
Published 18 Jul 2017
95% complete
MRI
Case

Bariatric balloon causing gastric outlet obstruction

 Diagnosis certain
Chris O'Donnell
Published 10 Jul 2017
95% complete
CT
Case

Patellar tendiopathy due to gross patella alta

 Diagnosis certain
Chris O'Donnell
Published 09 Jul 2017
95% complete
MRI
Case

Avulsion tibial eminence - ACL origin

 Diagnosis certain
Chris O'Donnell
Published 18 Jun 2017
86% complete
MRIX-ray
Case

Gold weight prosthesis for blepharoplegia

 Diagnosis certain
Chris O'Donnell
Published 13 Jun 2017
87% complete
X-rayMRI
Case

Vitreous hemorrhage - spontaneous

 Diagnosis certain
Chris O'Donnell
Published 29 May 2017
95% complete
CT
Case

Azygos and hemiazygos veins

 Diagnosis certain
Chris O'Donnell
Published 28 May 2017
95% complete
CT
Case

MRI susceptibility artifact due to dry hair shampoo

 Diagnosis certain
Chris O'Donnell
Published 23 May 2017
87% complete
MRI
Case

Bartholin gland abscess

 Diagnosis certain
Chris O'Donnell
Published 17 Apr 2017
91% complete
Ultrasound
Case

MRI artifact - tattooed eyeliner

 Diagnosis certain
Chris O'Donnell
Published 09 Mar 2017
92% complete
MRI
Case

Sialolipoma left parotid

 Diagnosis almost certain
Chris O'Donnell
Published 06 Mar 2017
77% complete
MRI
Case

Talcum powder masquerading as punctate microcalcification on mammmography

 Diagnosis certain
Chris O'Donnell
Published 26 Feb 2017
91% complete
Mammography
Case

Chicken bone in anal canal

 Diagnosis certain
Chris O'Donnell
Published 20 Feb 2017
92% complete
CT
Case

Delayed perforation of colonic stent for malignant large bowel obstruction

 Diagnosis certain
Chris O'Donnell
Published 18 Feb 2017
95% complete
CT
Case

Straight and reflected head rectus femoris avulsion fractures

 Diagnosis certain
Chris O'Donnell
Published 18 Feb 2017
95% complete
X-rayMRI
Case

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

 Diagnosis almost certain
Chris O'Donnell
Published 13 Feb 2017
80% complete
CT
Case

Iliopsoas tendinopathy - snapping tendon

 Diagnosis certain
Chris O'Donnell
Published 08 Feb 2017
95% complete
MRI
Case

Metachronous lung cancer post-pneumonectomy

 Diagnosis almost certain
Chris O'Donnell
Published 02 Feb 2017
80% complete
CTX-ray
Case

Transdiaphragmatic invasion of pleural mesothelioma

 Diagnosis certain
Chris O'Donnell
Published 31 Jan 2017
95% complete
CT
Case

Bilateral chronic common carotid occlusion

 Diagnosis certain
Chris O'Donnell
Published 24 Jan 2017
92% complete
CT
Case

Giant cell arteritis of the distal superficial femoral artery

 Diagnosis certain
Chris O'Donnell
Published 23 Jan 2017
91% complete
Ultrasound
Case

Snake eye appearance - residue of compressive myelopathy post surgical decompression

 Diagnosis certain
Chris O'Donnell
Published 20 Jan 2017
95% complete
MRI
Case

Adhesive capsulitis - shoulder

 Diagnosis certain
Chris O'Donnell
Published 19 Jan 2017
92% complete
MRI
Case

Chronic ischiofemoral impingement

 Diagnosis certain
Chris O'Donnell
Published 19 Jan 2017
95% complete
MRI
Case

Bilateral Wilms tumors (nephroblastoma)

 Diagnosis almost certain
Chris O'Donnell
Published 15 Jan 2017
79% complete
X-rayUltrasound
Case

Spontaneous acute extradural hematoma of the thoracic spine

 Diagnosis certain
Chris O'Donnell
Published 12 Jan 2017
95% complete
MRICT
Case

Growing Rathke's cleft cyst

 Diagnosis almost certain
Chris O'Donnell
Published 11 Jan 2017
74% complete
MRI
Case

Hematocrit in calf veins on MRI

 Diagnosis certain
Chris O'Donnell
Published 09 Jan 2017
92% complete
MRI
Case

Labyrinthine schwannoma

 Diagnosis almost certain
Chris O'Donnell
Published 06 Jan 2017
77% complete
MRI
Case

Caput medusa

 Diagnosis certain
Chris O'Donnell
Published 04 Jan 2017
90% complete
Annotated imageCT
Case

MRI artifact (flow void between urinary bladder and bladder diverticulum)

 Diagnosis certain
Chris O'Donnell
Published 04 Jan 2017
95% complete
UltrasoundMRI
Case

Chronic ruptured Achilles tendon with intact plantaris

 Diagnosis certain
Chris O'Donnell
Published 30 Dec 2016
95% complete
MRI
Case

Ansa pancreatica

 Diagnosis certain
Chris O'Donnell
Published 30 Dec 2016
92% complete
MRI
Case

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

 Diagnosis certain
Chris O'Donnell
Published 27 Dec 2016
95% complete
MRINuclear medicineCT
Case

Laparoscopic gastric band - MRI findings

 Diagnosis certain
Chris O'Donnell
Published 18 Dec 2016
92% complete
MRI
Case

Giant lumbar schwannoma

 Diagnosis certain
Chris O'Donnell
Published 17 Dec 2016
90% complete
MRI
Case

Urinoma seconday to calyceal rupture - chronic ureteric obstruction

 Diagnosis certain
Chris O'Donnell
Published 12 Dec 2016
95% complete
CT
Case

Intrasphenoidal pituitary macroadenoma

 Diagnosis probable
Chris O'Donnell
Published 08 Dec 2016
71% complete
MRI
Case

Facet joint septic arthritis masquerading as endplate osteomyelitis/discitis (spondylodiscitis)

 Diagnosis certain
Chris O'Donnell
Published 07 Dec 2016
95% complete
MRICT
Case

Multiple buttock injection granulomas - progressive CT features

 Diagnosis certain
Chris O'Donnell
Published 04 Dec 2016
86% complete
CTX-ray
Case

Hyperdense MCA sign - importance of fine slice interrogation

 Diagnosis certain
Chris O'Donnell
Published 04 Dec 2016
95% complete
CT
Case

Apparent spontaneous healing of complete ACL tear

 Diagnosis almost certain
Chris O'Donnell
Published 29 Nov 2016
77% complete
MRI
Case

Hyperenhancing appendix: early sign of acute appendicitis on CT

 Diagnosis certain
Chris O'Donnell
Published 25 Nov 2016
92% complete
CT
Case

Intra-conal orbital metastasis - breast cancer

 Diagnosis almost certain
Chris O'Donnell
Published 25 Nov 2016
80% complete
MRI
Case

Ossifying hepatic metastases from prostatic carcinoma

 Diagnosis certain
Chris O'Donnell
Published 23 Nov 2016
92% complete
Nuclear medicineCT
Case

Deossification of ossicles in chronic suppurative otitis media

 Diagnosis certain
Chris O'Donnell
Published 20 Nov 2016
92% complete
CT
Case

Ruptured thoracic aortic dissection

 Diagnosis certain
Chris O'Donnell
Published 13 Nov 2016
95% complete
CTX-ray
Case

Indirect cavernous sinus arterio-venous fistula

 Diagnosis certain
Chris O'Donnell
Published 13 Nov 2016
95% complete
MRI
Case

Second metatarsophalangeal joint plantar plate tear

 Diagnosis certain
Chris O'Donnell
Published 09 Nov 2016
92% complete
MRI
Case

Brain death: CT angiography

 Diagnosis certain
Chris O'Donnell
Published 06 Nov 2016
92% complete
CT
Case

Ossification common hamstring tendon

 Diagnosis certain
Chris O'Donnell
Published 06 Nov 2016
90% complete
X-rayCT
Case

Plantar wart

 Diagnosis certain
Chris O'Donnell
Published 31 Oct 2016
88% complete
Ultrasound
Case

Spinal dural arterio-venous fistula

 Diagnosis almost certain
Chris O'Donnell
Published 30 Oct 2016
80% complete
MRI
Case

Intersphincteric perianal abscess

 Diagnosis certain
Chris O'Donnell
Published 30 Oct 2016
95% complete
MRI
Case

Obstructed parotid duct: MR sialogram

 Diagnosis certain
Chris O'Donnell
Published 29 Oct 2016
95% complete
UltrasoundMRI
Case

Encrusted retained stent fragment in ileal conduit

 Diagnosis certain
Chris O'Donnell
Published 26 Oct 2016
95% complete
CT
Case

Extruded lumbar disc encircling the thecal sac

 Diagnosis certain
Chris O'Donnell
Published 25 Oct 2016
83% complete
MRI
Case

Aliasing artifact causing a spurious cerebellar lesion

 Diagnosis certain
Chris O'Donnell
Published 24 Oct 2016
92% complete
MRI
Case

Spontaneous tibial insert dislodgement in unicompartmental knee prosthesis

 Diagnosis certain
Chris O'Donnell
Published 24 Oct 2016
94% complete
X-ray
Case

Pancolonic intususception

 Diagnosis certain
Chris O'Donnell
Published 15 Oct 2016
80% complete
CT
Case

Herpes trigeminal neuritis and rhombencephalitis

 Diagnosis almost certain
Chris O'Donnell
Published 14 Oct 2016
80% complete
MRI
Case

Extra-renal angiomyolipoma

 Diagnosis certain
Chris O'Donnell
Published 09 Oct 2016
95% complete
CTMRI
Case

Food bolus obstruction to duodenal stent for carcinoma of the pancreas

 Diagnosis certain
Chris O'Donnell
Published 02 Oct 2016
95% complete
CT
Case

Lumbar disc extrusion

 Diagnosis certain
Chris O'Donnell
Published 26 Sep 2016
90% complete
PhotoMRI
Case

Thrombosed hepatic cavernous hemangioma

 Diagnosis certain
Chris O'Donnell
Published 20 Sep 2016
87% complete
MRI
Case

Acute renal failure post IV contrast injection: CT findings

 Diagnosis certain
Chris O'Donnell
Published 04 Sep 2016
90% complete
CT
Case

Acute demyelinating plaque in cervical cord

 Diagnosis certain
Chris O'Donnell
Published 23 Aug 2016
95% complete
MRI
Case

Dehiscent manubrium post CABG surgery with lung herniation

 Diagnosis certain
Chris O'Donnell
Published 23 Aug 2016
92% complete
CT
Case

Anterior process of calcaneus fracture

 Diagnosis certain
Chris O'Donnell
Published 18 Aug 2016
95% complete
CTX-ray