• January 22, 2022
 El Paso Zoo: Juno’s Cancer Treatment Procedure Successful

Juno | Photo Courtesy El Paso Zoo

El Paso Zoo: Juno’s Cancer Treatment Procedure Successful

Wednesday afternoon, Dr. Lisa DiBernardi of Gulf Coast Veterinary Specialists, Dr. Joe Impellizeri of Veterinary Oncology Services, and the El Paso Zoo animal care team successfully performed electrochemotherapy on Juno, one of the zoo’s Asian elephants.

“We broke the tumor down into four quadrants and treated each quadrant with the electrochemotherapy,” said Dr. Impellizeri. “This is an extremely large tumor, the largest I’ve ever treated, but if you break it down into quadrants, you can treat it like four or five smaller tumors.”

“We are all glad the procedure was completed without any complications,” said Zoo Director, Steve Marshall. “Because Juno is a geriatric elephant, we were careful in selecting a course of action that minimized both risk and recovery time. This is a cutting edge procedure and is a great example of an accredited zoo’s capacity to provide professional and compassionate care for the well-being of its animals.”

Juno was put under general anesthesia for approximately an hour and a half. During the procedure, the tumor was infused with a chemotherapy drug and then treated with a small electric pulse that draws the chemotherapy into the cancer cells. Juno is alert and walking and will be monitored closely as she recovers from the procedure. The Zoo’s short term follow-up will be to monitor the site of the procedure.

Dr. Victoria Milne, El Paso Zoo veterinarian, says the next steps of Juno’s treatment will be dictated by her response to the electrochemotherapy. “Depending on how she reacts to this procedure, she may undergo another round of electrochemotherapy. This type of procedure, unlike invasive surgical procedures, allows for multiple treatments, so for now, we’ll monitor her and see how she does over the next few weeks.”

Juno is one of two Asian elephants at the El Paso Zoo. Asian elephants are endangered according to the International Union for the Conservation of Nature (IUCN) Red List, the classifying authority for species worldwide. Both of the Asian elephants at the El Paso Zoo are elderly, with ages beyond the average life expectancy for Asian elephants.

Juno was diagnosed with a malignant mass in her right mammary gland in January. After careful consideration due to her diagnosis and age, the Zoo decided working with Dr. DiBernardi and Dr. Impellizeri on this procedure was the best course of action for Juno.

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