Dr. Karen Tobias is a Professor of Small Animal Soft Tissue Surgery and
board-certified surgeon at the University of Tennessee College of Veterinary Medicine.
She received her DVM in 1985 from University of Illinois and completed an internship in
Small Animal Medicine and Surgery at Purdue University in 1986 and a Small Animal Surgery
residency and Master’s Degree at The Ohio State University in 1989. 

Dr. Tobias has published over 100 scientific articles and book chapters and is known
nationally and internationally for her work on portosystemic shunts in dogs. She is the
author of the Manual of Small Animal Soft Tissue Surgery (Wiley/Blackwell, 2010);
co-editor of Tobias and Johnston: Veterinary Surgery: Small Animal (Elsevier/Saunders,
2012); and co-author of Paterson and Tobias Atlas of Ear Diseases of the Dog and Cat
(Wiley/Blackwell, 2013). 



Modified proximal perineal urethrostomy technique for treatment of urethral stricture in goats (with Sarel R. van Amstel), Veterinary Surgery (2013)

OBJECTIVE: To report a modified procedure for perineal urethrostomy (PU) in goats. STUDY DESIGN: Case...



Protein C Activity in Dogs: Adaptation of a Commercial Human Colorimetric Assay and Evaluation of Effects of Storage Time and Temperature (with Michael M. Fry, Karl R. Snyder, Baye G. Williamson, and Ann Reed), Veterinary Medicine International (2011)

Objectives of this study were to adapt a commercial human protein C (PC) colorimetric assay...



Head and neck swelling due to a circumferential cicatricial scar in a dog (with Hans Westermeyer and Danielle Reel), Journal of the American Animal Hospital Association (2009)

A 4-year-old, castrated male, mixed-breed dog was evaluated because of progressive head swelling, exercise intolerance,...



Inflammatory mammary carcinoma in 12 dogs: clinical features, cyclooxygenase-2 expression, and response to piroxicam treatment (with Carlos Souza, E Toledo-Piza, RA Lufer, and A Barboza), Canadian Veterinary Journal (2009)

Canine inflammatory mammary carcinoma (IMC) is a rare, locally aggressive, highly metastatic tumor that is...



Laryngeal paralysis in dogs (with R Millard), Compendium on Continuing Education for the Practicing Veterinarian (2009)

Laryngeal paralysis can cause progressive upper airway obstruction and ultimately death, usually in older, large-breed...



Atlas of Ear Diseases in the Dog and Cat (with Sue Patterson) (2013)

Veterinary Surgery: Small Animal (with Spencer A. Johnston) (2012)