Paula Schaffer

Associate Professor Microbiology, Immunology, and Pathology

DMC Diagnostic Medicine Center

(970) 297-5123

About Paula


M.Sc., Colorado State University, College of Veterinary Medicine and Biomedical Sciences, Fort Collins, CO, 2013D.V.M., University of Tennessee, College of Veterinary Medicine, Knoxville, TN, 2009B.S., Stanford University, Stanford, CA, 2005


Diplomate, Anatomic Pathology
American College of Veterinary Pathologists


Malmberg JM, Howerth E, Powers BE, Schaffer PA. Acanthomatous ameloblastoma with atypical foci in five dogs. Submitted to the Journal of Veterinary Diagnostic Investigation.Davis CR, Valentine BA, McDonough SP, Schaffer PA, Allen A, Pesavento P. Neoplasia in North American Donkeys (Equus asinus): A Survey of 5 North American Veterinary Schools. Submitted to the Journal of Veterinary Diagnostic Investigation.Calhoun DM, Schaffer PA, Gregory JR, Hardy KM, Johnson PTJ. Experimental infections of bluegill, Lepomis macrochirus with the trematode Ribeiroia ondatrae (Digenea: Cathaemasiidae): histopathology and hematological response. Journal of Aquatic Animal Health, 2015 (27):185–191.Contreras E, Malmberg J, Giger U, Quimby J, Schaffer PA. Bilirubin encephalopathy in a domestic shorthair cat with increased osmotic fragility and cholangiohepatitis. Accepted July 2015, Online First, Veterinary Pathology.Schaffer PA, Barnes S. Digital metastasis of pulmonary adenocarcinoma in a domestic long haired cat. Journal of the American Veterinary Medical Association, Accepted July 2014, In press.Miller CA, Durham AC, Schaffer PA, Ehrhart EJ, Powers BE, Duncan CG. Classification and Clinical Features in 89 Cases of Equine Cutaneous Lymphoma. Journal of Veterinary Diagnostic Investigation, 2015(27):80-85.Schaffer PA, Lifland B, Van Sommeran S, Casper DR, and Davis CR. Meningoencephalitis Associated With Carnobacterium maltaromaticum–Like Bacteria in Stranded Juvenile Salmon Sharks (Lamna ditropis). Veterinary Pathology, 2013 (50,3):412-417.Schaffer PA, Wobeser B, Dennis MM, Duncan CG. Non-neoplastic lesions of equine skin in the central U.S.A. and Canada: a retrospective study. Canadian Journal of Veterinary Medicine, 2013(54,3):262-266.Schaffer PA, Weishaar K, Han S. Endobronchial metastasis in a dog with soft tissue sarcoma. Journal of Veterinary Diagnostic Investigation. 2013 (25,4):546 – 550.Schaffer PA, Wobeser B, Martin LER, Dennis MM., Duncan CG. Cutaneous neoplastic lesions of equids in the central United States and Canada: 3351 biopsies from 3272 equids (2000 – 2010). Journal of the American Veterinary Medical Association, 2013(242,1):99-104Collier JR, Byers SR, Schaffer PA, Worley DR, Ehrhart EJ, Duncan CG, Grossman AN, Holt T, Callan RJ. Infiltrative cutaneous hemangiolipoma in a goat. Veterinary Medicine International, 2013, Article ID 942351.Schaffer, PA, Sonis JM, Rodriguez JS, Han S. Ileo-jejunal entrapment in a mesometrium rent of a non-pregnant mare. Clinical Theriogenology, 2012 (4,1) 55-60.Schaffer PA, Charles JB, Tzipory L, Ficociello JE, Marvel SJ, Barrera J, Spraker TR, Ehrhart EJ. Neurolymphomatosis in a Dog With B-Cell Lymphoma. Veterinary Pathology, 2012, (49,5):771 – 77.Schaffer PA, Reeves C, Casper DR, Davis CR. Absence of neurotoxic effects in leopard sharks, Triakis semifasciata, following domoic acid exposure. Toxicon, 2006 (47,7):747-52.

Research Specialty

Aquatic animal pathology (especially fish)