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

Transient lumbar disc vacuum phenomenon

 Diagnosis certain
Chris O'Donnell
Published 19 Oct 2015
84% complete
CT
Case

Avulsion fracture coracoid process

 Diagnosis certain
Chris O'Donnell
Published 19 Oct 2015
95% complete
CT
Case

Recently passed ureteric stone

 Diagnosis almost certain
Chris O'Donnell
Published 05 Oct 2015
77% complete
CT
Case

Recurrent benign pneumoperitoneum - pneumatosis coli

 Diagnosis certain
Chris O'Donnell
Published 22 Sep 2015
95% complete
CT
Case

Peritoneal CSF pseudocyst

 Diagnosis certain
Chris O'Donnell
Published 22 Sep 2015
90% complete
UltrasoundCT
Case

Traumatic rupture of the gallbladder

 Diagnosis probable
Chris O'Donnell
Published 13 Sep 2015
71% complete
CT
Case

Acquired buried penis

 Diagnosis certain
Chris O'Donnell
Published 06 Sep 2015
89% complete
MRI
Case

Ruptured corpus cavernosum - penile fracture

 Diagnosis certain
Chris O'Donnell
Published 02 Sep 2015
92% complete
MRI
Case

Anaplastic astrocytoma (WHO grade III) of the septum pellucidum

 Diagnosis certain
Chris O'Donnell
Published 02 Sep 2015
95% complete
MRI
Case

Gastric outlet obstruction due to an irreducible incisional hernia

 Diagnosis probable
Chris O'Donnell
Published 01 Sep 2015
71% complete
CT
Case

Acute bacterial pyleonephritis on MRI: value of DWI

 Diagnosis certain
Chris O'Donnell
Published 01 Sep 2015
92% complete
MRI
Case

Lung cancer - groundglass opacity (GGO) progressing to mass over 7 years

 Diagnosis almost certain
Chris O'Donnell
Published 01 Sep 2015
80% complete
Nuclear medicineCT
Case

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

 Diagnosis certain
Chris O'Donnell
Published 26 Aug 2015
95% complete
CT
Case

Jejunal diverticulitis - acute

 Diagnosis almost certain
Chris O'Donnell
Published 12 Aug 2015
77% complete
CT
Case

Torus mandibularis

 Diagnosis almost certain
Chris O'Donnell
Published 12 Aug 2015
74% complete
CT
Case

Medial meniscal root tear

 Diagnosis certain
Chris O'Donnell
Published 12 Aug 2015
95% complete
MRI
Case

Left lower lobar pneumonia presenting as flank pain

 Diagnosis almost certain
Chris O'Donnell
Published 12 Aug 2015
77% complete
CT
Case

Appendiceal stumpitis

 Diagnosis almost certain
Chris O'Donnell
Published 02 Aug 2015
77% complete
CT
Case

Metastatic disease to the spine: intramedullary and extradural compression

 Diagnosis almost certain
Chris O'Donnell
Published 26 Jul 2015
80% complete
MRI
Case

Duplex renal collecting system with ureteric calculi in upper pole moiety

 Diagnosis certain
Chris O'Donnell
Published 26 Jul 2015
95% complete
CT
Case

High grade ductal carcinoma in situ: MRI findings

 Diagnosis probable
Chris O'Donnell
Published 21 Jul 2015
71% complete
MRIMammographyUltrasound
Case

Progression of stress to full thickness fracture

 Diagnosis certain
Chris O'Donnell
Published 15 Jul 2015
86% complete
X-ray
Case

Distended subacromial-subdeltoid bursa

 Diagnosis certain
Chris O'Donnell
Published 14 Jul 2015
95% complete
MRI
Case

En plaque meningioma right sphenoid

 Diagnosis probable
Chris O'Donnell
Published 11 Jul 2015
73% complete
MRICT
Case

Bennett fracture: with subsequent complication

 Diagnosis certain
Chris O'Donnell
Published 08 Jul 2015
92% complete
X-rayMRI
Case

Dural metastasis from breast cancer

 Diagnosis almost certain
Chris O'Donnell
Published 06 Jul 2015
81% complete
CTMRINuclear medicine
Case

Lacrimal gland lymphoma

 Diagnosis certain
Chris O'Donnell
Published 06 Jul 2015
89% complete
CTUltrasound
Case

Trevor disease

 Diagnosis almost certain
Chris O'Donnell
Published 06 Jul 2015
74% complete
CT
Case

Chronic overshunting

 Diagnosis almost certain
Chris O'Donnell
Published 03 Jul 2015
75% complete
CT
Case

Posterior cranial fossa dural arteriovenous fistula - pulsatile tinnitus

 Diagnosis probable
Chris O'Donnell
Published 01 Jul 2015
71% complete
MRI
Case

Corneal foreign body

 Diagnosis certain
Chris O'Donnell
Published 01 Jul 2015
77% complete
CT
Case

Subpulmonic pleural effusion

 Diagnosis certain
Chris O'Donnell
Published 24 Jun 2015
90% complete
X-ray
Case

Retroperitoneal fibrosis (autoimmune) post bilateral ureterolysis

 Diagnosis certain
Chris O'Donnell
Published 24 Jun 2015
92% complete
CT
Case

Perforated gallbladder with subcapsular biloma

 Diagnosis almost certain
Chris O'Donnell
Published 24 Jun 2015
65% complete
CT
Case

Obstructed Tenckhoff peritoneal dialysis catheter

 Diagnosis certain
Chris O'Donnell
Published 24 Jun 2015
92% complete
CT
Case

Varicose veins on knee radiograph

 Diagnosis almost certain
Chris O'Donnell
Published 24 Jun 2015
57% complete
X-ray
Case

Focal fatty sparing of the liver

 Diagnosis almost certain
Chris O'Donnell
Published 24 Jun 2015
77% complete
CTUltrasound
Case

Non-occlusive intraluminal internal carotid artery thrombus

 Diagnosis certain
Chris O'Donnell
Published 21 Jun 2015
80% complete
CT
Case

Multiple stress fractures - army recruit

 Diagnosis certain
Chris O'Donnell
Published 20 Jun 2015
91% complete
Nuclear medicine
Case

Neck of femur stress fracture malunion

 Diagnosis certain
Chris O'Donnell
Published 18 Jun 2015
94% complete
X-ray
Case

Pannus at the cranio-cervical junction: CT and MRI findings

 Diagnosis almost certain
Chris O'Donnell
Published 17 Jun 2015
81% complete
CTMRI
Case

Sister Mary Joseph nodule - metastatic pancreatic cancer

 Diagnosis almost certain
Chris O'Donnell
Published 17 Jun 2015
80% complete
CTUltrasound
Case

Right adrenal adenoma: Conn syndrome

 Diagnosis almost certain
Chris O'Donnell
Published 17 Jun 2015
68% complete
MRI
Case

Pellegrini-Stieda lesion: MRI findings

 Diagnosis certain
Chris O'Donnell
Published 15 Jun 2015
77% complete
MRI
Case

Insufficiency fracture of the sternum

 Diagnosis certain
Chris O'Donnell
Published 14 Jun 2015
95% complete
Nuclear medicineCT
Case

Perineural spread of squamous cell carcinoma: infra-orbital nerve

 Diagnosis certain
Chris O'Donnell
Published 13 Jun 2015
89% complete
MRI
Case

Prostatic brachytherapy

 Diagnosis certain
Chris O'Donnell
Published 13 Jun 2015
87% complete
CTUltrasound
Case

Lumbar vertebral osteomyelitis (sans discitis)

 Diagnosis certain
Chris O'Donnell
Published 10 Jun 2015
92% complete
CTUltrasoundMRI
Case

MitraClips

 Diagnosis certain
Chris O'Donnell
Published 10 Jun 2015
94% complete
X-ray
Case

Gallbladder perforation secondary to acute cholecystitis

 Diagnosis certain
Chris O'Donnell
Published 09 Jun 2015
92% complete
CT
Case

Hepatic congestion secondary to right heart failure

 Diagnosis certain
Chris O'Donnell
Published 07 Jun 2015
95% complete
CT
Case

Fetal death - Spalding sign

 Diagnosis certain
Chris O'Donnell
Published 03 Jun 2015
88% complete
Ultrasound
Case

Presbyoesophagus

 Diagnosis almost certain
Chris O'Donnell
Published 01 Jun 2015
75% complete
X-rayFluoroscopy
Case

Parapelvic cyst masquerading as congenital pelvi-ureteric obstruction

 Diagnosis certain
Chris O'Donnell
Published 31 May 2015
95% complete
CT
Case

Chronic brachial plexopathy and axillary artery occlusion post shoulder trauma

 Diagnosis almost certain
Chris O'Donnell
Published 29 May 2015
74% complete
CTMRI
Case

Renal abscess causing renal vein thrombosis: thrombophlebitis

 Diagnosis certain
Chris O'Donnell
Published 28 May 2015
95% complete
CTMRI
Case

Strangulated umbilical hernia

 Diagnosis certain
Chris O'Donnell
Published 28 May 2015
95% complete
CT
Case

Pelvi-ureteric obstruction with aberrant accessory lower pole renal artery

 Diagnosis certain
Chris O'Donnell
Published 28 May 2015
89% complete
CT
Case

Terminal internal carotid artery berry aneurysm causing acute 3rd cranial nerve palsy

Chris O'Donnell
Published 27 May 2015
65% complete
CT
Case

Posterior fracture dislocation glenohumeral joint - reverse Hill-Sachs lesion

 Diagnosis certain
Chris O'Donnell
Published 27 May 2015
95% complete
CT
Case

Central fracture-dislocation of the acetabulum

 Diagnosis certain
Chris O'Donnell
Published 30 Apr 2015
95% complete
CT
Case

Incomplete ureteric injury following abdominal hysterectomy

 Diagnosis certain
Chris O'Donnell
Published 29 Apr 2015
95% complete
CT
Case

Left middle cerebral artery branch embolus causing stroke

 Diagnosis certain
Chris O'Donnell
Published 27 Apr 2015
92% complete
CT
Case

Traumatic adrenal hemorrhage

 Diagnosis almost certain
Chris O'Donnell
Published 27 Apr 2015
80% complete
CT
Case

Orbital dermoid

 Diagnosis probable
Chris O'Donnell
Published 23 Apr 2015
62% complete
CTMRI
Case

Pericardiocentesis catheter in situ

 Diagnosis certain
Chris O'Donnell
Published 22 Apr 2015
80% complete
CT
Case

Myositis ossificans

 Diagnosis almost certain
Chris O'Donnell
Published 18 Apr 2015
77% complete
UltrasoundMRIX-ray
Case

Osteochondritis dissecans of the glenoid fossa

 Diagnosis almost certain
Chris O'Donnell
Published 17 Apr 2015
78% complete
CTMRI
Case

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

 Diagnosis certain
Chris O'Donnell
Published 14 Apr 2015
95% complete
CT
Case

Spondylodiscitis and epidural abscess caused by esophageal perforation due to a metallic stent

 Diagnosis possible
Chris O'Donnell
Published 09 Apr 2015
65% complete
CT
Case

État criblé with acute on chronic ischemia and amyloid angiopathy

 Diagnosis almost certain
Chris O'Donnell
Published 02 Apr 2015
80% complete
MRI
Case

Reperfusion testicular hyperemia post torsion correction

 Diagnosis certain
Chris O'Donnell
Published 29 Mar 2015
94% complete
Ultrasound
Case

Combined medial and lateral bucket handle meniscal tears

 Diagnosis certain
Chris O'Donnell
Published 27 Mar 2015
95% complete
MRI
Case

Hair on end (Rorschach radiology)

 Diagnosis not applicable
Chris O'Donnell
Published 27 Mar 2015
53% complete
MRI
Case

Cerebral hemiatrophy

 Diagnosis certain
Chris O'Donnell
Published 26 Mar 2015
95% complete
MRI
Case

Infected lung bulla

 Diagnosis probable
Chris O'Donnell
Published 25 Mar 2015
71% complete
X-rayCT
Case

Vocal fold silicone prosthesis

 Diagnosis certain
Chris O'Donnell
Published 17 Mar 2015
87% complete
X-rayCT
Case

Metastatic squamous cell carcinoma - neck lymph node

 Diagnosis certain
Chris O'Donnell
Published 16 Mar 2015
89% complete
UltrasoundCT
Case

Rectus femoris tendon rupture

 Diagnosis certain
Chris O'Donnell
Published 15 Mar 2015
92% complete
MRI
Case

Emphysematous gastritis due to gastric necrosis/infarction

 Diagnosis almost certain
Chris O'Donnell
Published 11 Mar 2015
74% complete
CT
Case

Sigmoid volvulus: failed rectal tube decompression

 Diagnosis certain
Chris O'Donnell
Published 11 Mar 2015
92% complete
CT
Case

Chronic urinary retention

 Diagnosis certain
Chris O'Donnell
Published 04 Mar 2015
95% complete
CT
Case

Lateral nasal abscess

 Diagnosis almost certain
Chris O'Donnell
Published 02 Mar 2015
80% complete
CT
Case

Ghost meniscus

 Diagnosis certain
Chris O'Donnell
Published 01 Mar 2015
80% complete
MRI
Case

Fat necrosis right buttock

 Diagnosis almost certain
Chris O'Donnell
Published 27 Feb 2015
81% complete
MRICTNuclear medicine
Case

Gallstone ileus and complete situs inversus

 Diagnosis certain
Chris O'Donnell
Published 25 Feb 2015
95% complete
CT
Case

Vulval hematoma

 Diagnosis certain
Chris O'Donnell
Published 25 Feb 2015
88% complete
Ultrasound
Case

False negative hepatic CT for metastases - "fatty" liver

 Diagnosis almost certain
Chris O'Donnell
Published 24 Feb 2015
81% complete
CTMRI
Case

Immediate post-op anterior cervical discectomy and fusion

 Diagnosis certain
Chris O'Donnell
Published 24 Feb 2015
89% complete
CT
Case

Dislocated peroneus brevis tendon

 Diagnosis certain
Chris O'Donnell
Published 23 Feb 2015
92% complete
MRI
Case

Insertional Achilles calcific spur

 Diagnosis certain
Chris O'Donnell
Published 16 Feb 2015
95% complete
X-rayMRI
Case

Small bowel obstruction due to pericaecal internal hernia

 Diagnosis certain
Chris O'Donnell
Published 15 Feb 2015
95% complete
CT
Case

Paratesticular fibrosis

 Diagnosis almost certain
Chris O'Donnell
Published 13 Feb 2015
72% complete
Ultrasound
Case

Gross hydronephrosis due to pelviureteric junction obstruction

 Diagnosis almost certain
Chris O'Donnell
Published 11 Feb 2015
65% complete
CT