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Oncology Services

The Oncology staff consists of veterinarians who are board-certified in oncology, oncology residents in training, and veterinary technicians who specialize in oncology nursing.

The Oncology Service generally sees new cases, rechecks, and emergencies Monday-Thursday 8am-5pm, with some appointments on Fridays, as well as some limited after-hours services in special, pre-arranged circumstances.  Please call (765) 494-1107 to make an appointment.  New appointments should include a referral from your veterinarian.

In case of after-hours emergencies, please call the closest veterinary emergency center or call our emergency service at (765) 496-7911.  If you come to our hospital, your emergencies will be seen by veterinary interns and emergency clinicians and then transferred to oncology on the next business day if needed.

For more information on Oncology, click on the web address below.


About Our Staff


Debbie Knapp, DVM, M.S., DIPLOMATE ACVIM (Oncology), Section Chief

Michael Childress, DVM, M.S., DIPLOMATE ACVIM (Oncology)

Christopher Fulkerson, DVM


Lisbeth Ambrosius, DVM

Michelle Custead, DVM

Sonia Honkisz, DVM

Nicholas Szigetvari, DVM


Amalia de Gotari, MVZ, Technician Supervisor

Patty Bonney, BS, RVT

Amalia de Gortari, MVZ 

Lindsey Fourez, BS, RVT

Sarah Lahrman, RVT

Chris Royce, RVT

Jeri Tullius, RVT

Common conditions treated/procedures offered

The Purdue Oncology service cares for dogs and cats with any cancer.  There is a special interest in the management of canine urinary bladder cancer and canine lymphoma.

Special Equipment/technology

Diagnostic tools such as endoscopy, cystoscopy, CT, and MRI are available as well as treatment modalities such as chemotherapy, radiation therapy, and surgery.