Diagnostic Imaging

• 2018-2021     Mississippi State University College of Veterinary Medicine, Residency
• 2018-2021     Mississippi State University College of Veterinary Medicine, MS
• 2017-2018     Mississippi State  University College of Veterinary Medicine, Internship
• 2016-2017     BluePearl Veterinary Partners, Internship
• 2016             Ross University School of Veterinary Medicine, DVM
• 2011             University of Minnesota, BS

     Please click on the PubMed link for a listing of Dr. Tollefson's publications.

• Aortic pseudoaneurysm secondary to fungal infection in an adult dog. Accepted 2020. Lee AM, Tollefson CRᵒ. What is Your Diagnosis? J Am Vet Med Assoc
• Disseminated granulomatous disease in a Hognose snake. Accepted 2020. Tollefson CRᵒ, Yates J*, Cade J, Baumgartner W, Lee AM. What is Your Diagnosis? J Am Vet Med Assoc
• Multiple cartilaginous exostosis in a Golden Retriever. Accepted 2020. Little A^, Tollefson CR, Lee AM, Yang S, Moore T. What is Your Diagnosis? J Am Vet Med Assoc
• Cutaneous foreign body in an adult dog. Accepted 2020. Mesecher CM*, Tollefson CR, Seitz MA. What is Your Diagnosis? J Am Vet Med Assoc
• Mediastinal sarcoma with cultured nocardiosis in a Labrador retriever. February 2020. Tollefson CR, Hughes SM*, Baughman B, Lee AM. What is Your Diagnosis? J Am Vet Med Assoc 2020:256(4):423-426
• Pyloric Hypertrophy in an adult West Highland White Terrier. Accepted 2019. Cortez KR*, Tollefson CR, Lee AM. What is Your Diagnosis? J Am Vet Med Assoc
• Noncardiogenic pulmonary edema in a young dog. June 2019. Tollefson CR, Muro SM^, Mackin AJ, Lee AM. What is Your Diagnosis? J Am Vet Med Assoc 2019:254(12):1393-1396
• Foreign body aspiration with nasopharyngeal entrapment in a young cat. December 2018. Tollefson CR, Hiebert EC, Lee AM, Gambino JM. What is Your Diagnosis? J Am Vet Med Assoc 2018:253(11):1405-1407

• American College of Veterinary Radiology Veterinary Ultrasound Society Member, 2017 – Present
• American Veterinary Medical Association Member, 2015 – Present