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Michele A Steffey
Assistant Professor
Surgical & Radiological Sciences

132 CCAH
Davis, CA 95616

+1 530 752 3799


Research Focus

Surgical and interventional oncology, near-infrared fluorescence surgical imaging


2003 Certificate of Residency 3-year residency in small animal surgery, Cornell University, College of Veterinary Medicine, Ithaca, NY
2000 Internship Certificate General rotating internship, University of Pennsylvania, School of Veterinary Medicine, Philadelphia, PA
1999 DVM , University of California, Davis, School of Veterinary Medicine, Davis, California
1995 BS Biological Sciences with Honors, University of California, Davis, Davis, California

Honors and Awards

Lifetime Phi Beta Kappa National Honor Society, Lifetime Member
Lifetime Phi Zeta Veterinary Medicine National Honor Society, Lifetime Member
Lifetime Phi Sigma Biological Sciences National Honor Society
Lifetime Golden Key National Honor Society
1999 Marin County Veterinary Medical Association Scholarship
1999 Mary Seawright Small Animal Medicine Scholarship
1998 Salzbury Scholarship for superior scholarship,initiative, perseverance, and the potential for leadership
1998 Theodora Peigh Summer Clinic Scholarship
1997 Lucy Arminger Scholarship
1996-1997 Listed, National Dean's List
1996 and 1998 Theodora Peigh Externship Scholarship
1994 U.C. Davis, Division of Biological Sciences, Citation for Outstanding Performance
1993-1995 Dean's Honor's List U.C. Davis, College of Letters and Sciences


State Licensure - California, #13852
State Licensure - New York, # 009255-1
Diplomate, American College of Veterinary Surgeons
ACVS Founding Fellow, Surgical Oncology

Active Research Grants

Principal Investigator, CT pneumocolonography in dogs with signs of large bowel disease, Michele Steffey (Principal Investigator), UC Davis Center For Companion Animal Health

Co-Principal Investigator, Identification of occult lymph node metastases from canine carcinomas, Keriann Casey (resident), Michele Steffey, Verena Affolter (pathology supervisor) (Principal Investigator), UC Davis Center For Companion Animal Health Resident Research Grant

Co-Investigator, Concordance of histology between needle-core biopsies and lymph node extirpation in canine lymphoma, Robert B. Rebhun (Principal Investigator), UCDavis Center for Companion Animal Health

Most Recent 10 Publications

  • Link Icon 2014 Naiman JH, Mayhew PD, Steffey MA, Culp WTN, Runge JJ, Singh AA Laparoscopic treatment of ovarian remnant syndrome in dogs and cats: 7 cases (2010- 2013) J Am Vet Med Assoc,
  • Link Icon 2014 Zwingenberger AL, Daniel L, Steffey MA, Mayhew PD, Mayhew KN, Culp WTN, Hunt GB Correlation between liver volume, portal vascular anatomy and hepatic perfusion in dogs with congenital portosystemic shunt before and after placement of ameroid constrictors Vet Surg,
  • Link Icon 2014 Hunt GB, Culp WTN, Mayhew KN, Mayhew P, Steffey MA, Zwingenberger A Evaluation of in vivo behavior of ameroid ring constrictors in dogs with congenital extrahepatic portosystemic shunts using computed tomography Vet Surg,
  • Link Icon 2014 Mayhew PD, Culp WTN, Hunt GB, Steffey MA, Mayhew KN, Fuller M, Della-Maggiore AM, Nelson RW Comparison of perioperative morbidity and mortality rates in dogs with noninvasive adrenocortical masses undergoing laparoscopic versus open adrenalectomy J Am Vet Med Assoc,
  • Link Icon 2013 Johnson LR, Mayhew PD, Steffey MA, Hunt GB, Carr AH, McKiernan BC Upper airway obstruction in Norwich terriers: 16 cases J Vet Intern Med,
  • Link Icon 2013 Adamovich-Rippe KN, Mayhew PD, Runge JJ, Culp WTN, Steffey MA, Mayhew KN, Hunt GB Evaluation of laparoscopic-assisted ovariohysterectomy for treatment of canine pyometra Veterinary Surgery,
  • Link Icon 2013 Mayhew PD, Mehler SJ, Mayhew KN, Steffey MA, Culp WTN Experimental and clinical evaluation of transperitoneal laparoscopic ureteronephrectomy in dogs Vet Surg,
  • Link Icon 2013 Adamovich-Rippe K, Steffey MA, Ybarra WL, Johnson LR Unilateral laryngeal paralysis subsequent to surgical ligation of a patent ductus arteriosus in an 8-week-old domestic shorthair cat J Am Vet Med Assoc,
  • Link Icon 2013 Mayhew PD, Hunt GB, Steffey MA, Culp WTN, Mayhew KN, Fuller M, Johnson LR, Pascoe PJ Evaluation of short-term outcome after lung lobectomy for resection of primary lung tumors via video-assisted thoracoscopic surgery or open thoracotomy in medium- to large-breed dogs J Am Vet Med Assoc,
  • Link Icon 2013 Grosset C, Guzman DS, Waymire A, Puchalski SM, Steffey MA Extraoral surgical correction of lingual entrapment in a Chinese Goose (Anser cygnoides) J Avian Med Surg,

Most Recent 5 Book Chapters

2010 Steffey MA, Todhunter RJ: Osteoarthritis, Bojrab and Monnet, (ed), Mechanisms of Disease in Small Animal Surgery, 3rd Edition, Jackson, WY. 731-42.