New Bolton Center Kennett Square, PA
Emergencies & Appointments:
Ryan Hospital Philadelphia, PA


Diplomate, American College of Veterinary Internal Medicine (Oncology)

Assistant Professor of Clinical Medical Oncology, University of Pennsylvania School of Veterinary Medicine

Clinical Specialties: Medical oncology
Research Areas: Immuno-oncology, targeted ablation therapies, chemotherapy, cancer, canine
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Research interest include immuno-oncology characterizing local and systemic immune response to targeted ablation therapies to different tumor types; assessment of response to treatment with alternative chemotherapy protocols as first or rescue treatments in dogs with different cancer types.

Clinical interest include teaching and guiding medical oncology residents to ensure high specialty boards pass rate and become a successful oncologist.

Ruger, L., Yang, E., Coutermarsh-Ott, S., Vickers, E., Gannon, J., Nightengale, M., Hsueh, A., Ciepluch, B., Dervisis, N., Vlaisavljevich, E., Klahn, S. Histotripsy ablation for the treatment of feline injection site sarcomas: a first-in-cat in vivo feasibility study International Journal of Hyperthermia 40: 2210272, 2023.

Ruger, L., Yang, E., Gannon, J., Sheppard, H., Coutermarsh-Ott, S., Ziemlewicz, T. J., Dervisis, N., Allen, I. C., Daniel, G. B., Tuohy, J., Vlaisavljevich, E., Klahn, S. Mechanical High-Intensity Focused Ultrasound (Histotripsy) in Dogs With Spontaneously Occurring Soft Tissue Sarcomas IEEE Transactions on Biomedical Engineering 70: 768-779, 2023.

Yang, E., Kubicek, L., Pavletic, M. M. Use of imaging-guided intensity-modulated stereotactic body radiation therapy to treat a well-differentiated hepatocellular carcinoma in a dog Journal of the American Veterinary Medical Association 259: 392-395, 2021.

Stewart, A. M., Yang, E., Nguyen, M., Kalueff, A. V. Developing zebrafish models relevant to PTSD and other trauma- and stressor-related disorders Progress in Neuro-Psychopharmacology and Biological Psychiatry 55: 67-79, 2014.

Nguyen, M., Yang, E., Neelkantan, N., Mikhaylova, A., Arnold, R., Poudel, M. K., Stewart, A. M., Kalueff, A. V. Developing ''integrative'' zebrafish models of behavioral and metabolic disorders Behavioural Brain Research 256: 172-87, 2013.

VMD (Veterinary Medicine) University of Pennsylvania School of Veterinary Medicine, 2019

Diplomate, American College of Veterinary Internal Medicine (Oncology)