Radiation Oncology Staff

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Diplomate, American College of Veterinary Surgeons & College of Veterinary Radiology (Radiation Oncology)

Dr. Susan LaRue received her undergraduate education at the University of Maryland and received her DVM from the University of Georgia where she also did her internship.  She came to Colorado State University in 1983 for a residency in small animal surgery, and subsequently became a Diplomate in the College of Veterinary Surgeons (ACVS).  During her surgery residency Dr. LaRue developed a strong interest in oncology.  She received her Ph.D from the (then) Department of Radiological Health Sciences working on tumor cell kinetics in canine osteosarcoma and lymphoma.  She also did training in Radiation Oncology at Colorado State University under the mentorship of Dr. Edward L. Gillette, considered to be the pioneer of veterinary radiation oncology. Dr. LaRue was a charter Diplomate in the American College of Veterinary Radiology, specialty of Radiation Oncology.

Dr. LaRue is currently a professor of Radiation Oncology at CSU and head of the Radiation Oncology Service.  Her clinical experience combined with her background in radiation biology makes her the ideal person to apply the new technology available on the Trilogy Linear accelerator to veterinary patients. Dr. LaRue’s passion is translational research using naturally occurring tumors in pet animal patients.  Her goal is to design studies that help the individual patient as well as provide information to better understand the biology of the cancer. Dr. LaRue is the director of the Radiation Oncology program at the Animal Cancer & Imaging Center and directs all aspects of treatment planning and patient management. 

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Kathy barc


Kathy obtained her certification in Radiology at the Detroit-Macomb Hospital Corporation School of Radiology in 1980, and in Radiation Therapy at Henry Ford Hospital in 1994.  She is board registered in both Radiology and Radiation Therapy by the American Registry of Radiological Technologists (ARTT).  Kathy began her career working with people but has worked in veterinary medicine since 2000 as the Radiation Technician at ACIC.  She has two adult children, 2 champion field spaniels, and 2 cats. Kathy is also trained on our CT scanner.


stephanie atkins

BA, lvt

Stephanie obtained her Bachelors of Arts in Social Work from Michigan State University in 1992, and her Associates of Applied Science in Veterinary Technology from Wayne County Community College District in 1999 and became licensed the same year.  She worked in general practice before coming to ACIC as one of our overnight technicians in 2006.  From there she transitioned to days and now works as the anesthesia and patient care technician in Radiation Therapy and runs our CT scanner with Kathy Barc.   Stephanie has 2 Keeshonds, 7 cats, 2 donkeys, 2 horses and a flock of chickens.