Skip to Primary Content

DVM, DACVS-SA, ACVS Fellow - Surgical Oncology

Chris Thomson

Chris Thomson

DVM, DACVS-SA, ACVS Fellow - Surgical Oncology

Chris Thomson


Dr. Chris Thomson is a Diplomate of the American College of Veterinary Surgeons. He is a specialist in veterinary surgery with a particular focus on surgical oncology, minimally invasive surgery, and interventional radiology. Following residency, Dr. Thomson was selected for a fellowship in surgical oncology at the Animal Cancer Center at Colorado State University, the best recognized and longest standing training programs worldwide for veterinary surgical oncology. He has a particular passion for bone cancer, liver and biliary diseases, and urogenital cancers.

Dr. Thomson earned his veterinary doctorate from the University of Minnesota. Following a rotating internship at the University of Wisconsin-Madison, he returned to the University of Minnesota for a residency in small animal surgery. Following residency, he completed the fellowship in surgical oncology at Colorado State University. Dr. Thomson has been on the executive board for the Veterinary Endoscopy Society for three years and is an active member of the Veterinary Society for Surgical Oncology and the Veterinary Interventional Radiology and Interventional Endoscopy Society. He is the author of textbook chapters and numerous scientific articles and has been recognized for lecturing nationally and internationally.

Through minimally invasive (or keyhole) surgery, Dr. Thomson is driven to minimize the pain and complications related to surgery while maximizing patient outcomes. Similarly, with the use of interventional radiology (or moving x-rays), Dr. Thomson can treat various forms of unresectable or metastatic tumors (liver, prostate, nasal tumors, etc) through chemoembolization, provide palliative stenting for obstructions of the urinary system and blood vessels, and embolization for vascular anomalies such as liver portosystemic shunts.

Dr. Thomson is also an active participant in clinical research with Ethos Discovery, with projects focusing on minimally invasive treatments for osteosarcoma, thrombocytopenia, urogenital cancer, and several others.

Published Articles:

  • Clinical validation of a next-generation sequencing-based multi-cancer early detection “liquid biopsy” blood test in over 1,000 dogs using an independent testing set: The CANcer Detection in Dogs (CANDiD) study. April 2022, PLoS ONE, Read Article

  • Single Incision Laparoscopic Surgical Platforms. March 2022. Chapter in Small Animal Laparoscopy and Thoracoscopy, 2nd edition. Read Chapter

  • Outcomes after transperitoneal laparoscopic ureteronephrectomy for the treatment of primary renal neoplasia in seven dogs. June 2021. Veterinary Surgery. Read Article

  • Surgical management and outcome of dogs with primary spontaneous pneumothorax: 110 cases (2009-2019). June 2021. Journal of the American Veterinary Medical Association. Read Article

  • Cutaneous seeding of transitional cell carcinoma of the urinary bladder after placement of a subcutaneous ureteral bypass device in a dog with bilateral ureteral obstruction. April 2021. Journal of the American Veterinary Medical Association. Read Article

  • Survival time of juvenile dogs with oral squamous cell carcinoma treated with surgery alone: A Veterinary Society of Surgical Oncology retrospective study. March 2021. Veterinary Surgery. Read Article

  • Percutaneous transhepatic cholecystostomy drainage in a dog with extrahepatic biliary obstruction secondary to pancreatitis, September 2020, JAVMA, Read Article

  • Clinical findings and outcomes of 153 dogs surgically treated for intestinal intussusceptions, May 2020, Veterinary Surgery, Read Article

  • Outcome after surgical and conservative treatments of canine peritoneopericardial diaphragmatic hernia: A multi‐institutional study of 128 dogs, Nov 2019, Veterinary Surgery, Read Article

  • Perioperative characteristics, histological diagnosis, and outcome in cats undergoing surgical treatment of primary hyperparathyroidism, Jan 2019, Veterinary Surgery, Read Article

  • Incidence of and risk factors for major complications or death in dogs undergoing cytoreductive surgery for treatment of suspected primary intracranial masses, Dec 2018, JAVMA, Read Article

  • Comparison of Conventional and Laparoscopic Abdominal Cryptorchidectomy in Dogs (2008-2017), Conference: Veterinary Endoscopy Society Annual Meeting 2018, Read Article

  • Evaluation of the Environmental Bias on Accelerometer-Measured Total Daily Activity Counts and Owner Survey Responses in Dogs with Osteoarthritis, Nov 2017, Veterinary and Comparative Orthopaedics and Traumatology, Read Article

  • Comparison of visual metric and planimetry methods for brain tumor measurement in dogs, May 2016, AJVR, Read Article

  • Safe, Efficient, and Reproducible Gene Therapy of the Brain in the Dog Models of Sanfilippo and Hurler Syndromes, Fev 2011, Molecular Therapy, Read Article


University of Minnesota - Doctor of Veterinary Medicine

University of Wisconsin-Madison - Medicine & Surgery Internship

University of Minnesota - Small Animal Surgery Residency

Colorado State University - Surgical Oncology Fellowship

Fellow, American College of Veterinary Surgery - Board Certified in Small Animal Surgery

My Articles

Minimally invasive surgery and the GP: Getting started