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:

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Chris O'Donnell ◉

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

Bariatric balloon causing gastric outlet obstruction

Chicken bone in anal canal

Delayed perforation of colonic stent for malignant large bowel obstruction

Caput medusa

Ansa pancreatica

Laparoscopic gastric band - MRI findings

Hyperenhancing appendix: early sign of acute appendicitis on CT

Ossifying hepatic metastases from prostatic carcinoma

Intersphincteric perianal abscess

Pancolonic intususception

Food bolus obstruction to duodenal stent for carcinoma of the pancreas

Thrombosed hepatic cavernous hemangioma

Dropped gallstones

Sister Mary Joseph nodule in umbilical hernia

Necrotzing fasciitis due to a perforated adenocarcinoma of the splenic flexure

Perforated sigmoid colonic adenocarcinoma

Venous ischemia in a colonic stoma

Perianal fistula: with seton tube

Crohn disease - actively bleeding ileal disease

Splenosis

Descending colo-colonic intussusception due to adenocarcinoma

Chronic distal ileal obstruction due to a polyp: neuroendocrine tumor

Bleeding hemorrhoids - importance of coverage in CT mesenteric angiography

Perforated duodenal ulcer with ingested contrast leak

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

Metastatic melanoma metastases to small bowel

Colonic fecoliths and stercoral ulceration

Malpositioned gastric band causing pouch obstruction and ischemia

Puerperal sepsis

Recurrent benign pneumoperitoneum - pneumatosis coli

Peritoneal CSF pseudocyst

Traumatic rupture of the gallbladder

Gastric outlet obstruction due to an irreducible incisional hernia

Jejunal diverticulitis - acute

Left lower lobar pneumonia presenting as flank pain

Appendiceal stumpitis

Sister Mary Joseph nodule - metastatic pancreatic cancer

Presbyoesophagus

Emphysematous gastritis due to gastric necrosis/infarction

Sigmoid volvulus: failed rectal tube decompression

Gallstone ileus and complete situs inversus

Small bowel obstruction due to pericaecal internal hernia

Localized sigmoid perforation post embolization for bleeding diverticulum

Gallbladder carcinoma

Complete pancreatic lipomatosis: cystic fibrosis

Crohn disease

Hepatic congestion: changes to portal vein flow

Esophageal bolus obstruction

Intrahepatic portal venous shunt

Mesenteric panniculitis

Appendiceal carcinoma

Splenic infarct due to malignant encasement of the artery

Adhesive small bowel obstruction

Suture granuloma

Falciform ligament and ligamentum teres outlined by ascites

Adrenal metastasis from colorectal cancer

Perforated, malignant large bowel obstruction due to cecal distension and venous ischemia

Inferior mesenteric thrombophlebitis secondary to sigmoid diverticulitis

Contained duodenal ulcer perforation

Megaesophagus post gastric banding

Rapidly growing small bowel lymphoma

Appendicitis post recent cesarian section

Acute terminal ileal diverticulitis

Chronic barium peritonitis and small bowel obstruction

Small bowel obstruction at a loop ileostomy stoma

Colonic interposition of the esophagus

Large gastric ulcer

Gas in the pancreatic duct - pneumopancreatica

Glass eye, large liver syndrome (Villaret)

Actively bleeding colonic malignancy

Massive gas leak post colonoscopic biopsy

Crohn disease presenting as small bowel obstruction

Gallstone ileus

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

Pancreatic pseudocyst causing gastric outlet obstruction

Lead pipe colon - Crohn disease

Metastatic mucinous adenocarcinoma of the colon with calcification

Disclosures: