Glen Oomen Illustration
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Medical & Scientific Illustration

Books, Dental, pathology, surgery
Transventricular Access

Transventricular Access

This neurosurgical image describes the burr hole placement and an endoscopic approach angle for accessing 3rd ventricle tumors and lesions. In this image, there is pineal tumor on the supero-posterior wall of the 3rd ventricle, but the approach also enables access to mammillary bodies.

Ankle Sprain

Ankle Sprain

Illustration showing a classic ankle sprain and related ligaments.

Tube Retractors in Neurosurgery

Tube Retractors in Neurosurgery

This is one image from a larger series describing a technique for using tube retractors and guidance systems to access deep brain lesions. This image shows one of the final steps in the sequence, placing a larger diameter tube.

Pulmonary Fibrosis

Pulmonary Fibrosis

Journal of Biological Chemistry cover showing pulmonary fibrosis.

46 Day Embryo

46 Day Embryo

Illustration showing a 46 day old human embryo and associated structures .

Cerebroprotective technique

Cerebroprotective technique

This illustration is one of a series describing a technique for cerebral protection while repairing ascending aortic aneurysm with dacron graft. The series specifically shows the placement of extracorporeal line placement to maximize blood flow to the head and brain. 

Doxirubicin Cardiotoxicity

Doxirubicin Cardiotoxicity

Journal of Biological Chemistry cover for study describing a gene deficiency that predisposed cancer patients to irreparable cardiac cell death when treated with doxirubicin. The authors, cardiac surgeons, advocated for genetic testing prior to chemotherapy to ensure the safe use of of the chemotherapuetic

Mitral valve prolapse repair

Mitral valve prolapse repair

This series of illustrations compares two different techniques for addressing mitral valve prolapse. In the top series, the prolapsing leaflet is resected. In the lower series artificial chordae are sutured in place, leaving a larger diameter final valve.

Posterior Cutaneous Nerve

Posterior Cutaneous Nerve

Illustration showing the course of the posterior cutaneous nerve of the forearm and how it relates to lateral epicondylitis.

LDL vs HDL

LDL vs HDL

Illustration comparing low density lipoproteins vs high density lipoproteins.

Bicuspid Aortic Valve

Bicuspid Aortic Valve

Illustration series done for New England Journal of Medicine article. This series relates different morphologies of Bicuspid Aortic Valve to the shear forces inflicted upon the aortic wall by their corresponding ejection fractions.

Piggyback OPCABG

Piggyback OPCABG

One illustration from a large series describing different techniques for grafting small diameter vessels for coronary artery bypass. This image shows a piggyback graft and a Heartstring device being used.

Biceps Tendon

Biceps Tendon

This image shows a pulley rupture of the ligaments supporting the biceps tendon as it ascends out of the bicepital groove.

Intraoral Anatomy

Intraoral Anatomy

Illustration showing normal intraoral anatomy.

Excalibur Book Cover

Excalibur Book Cover

This book cover was done for 96 year old retired general surgeon and inaugural chair of surgery at McMaster University C. Barber Mueller. Writing the book was one of the last things he really wanted to do, it was kind of his opus. I illustrated the whole book. It's kind of a history of the big ideas in science and how they're all linked. I spent most thursday afternoons with 'Barb' as I worked on the illustration roughs and he would tell me stories about the first kidney transplants, the first dialysis machines, being present when the Berlin wall fell, what it was like to see a CT or MRI for the first time, or when he was awarded the Bronze Star when he was a Marine Corpsman. He was one very fascinating and friendly man. It was such a fun and lovely project to work on. I didn't charge a cent for it.