Peek, a 20-year-old American Black Bear living at the Topeka Zoo, is undergoing treatment, including a CT scan, for a back condition, zoo director Brendan Wiley said Monday.

Peek came out of her den two weeks ago and her keeper noticed the bears hind legs were wobbly. Peek was given pain medication. However, the condition quickly worsened, Wiley said in a news release.

Within the next seven days, Peek continued to lose control of her rear legs.

One of the unique things about this scenario is that Peek hasnt acted like anything is hurting her, said Shanna Simpson, animal care supervisor. It is like the front half of her body can no longer communicate with the back half.

Peeks illness required the use of a CT scan, which used equipment the zoo doesnt have, Wiley said.

Zoo veterinarian Shirley Llizo brought in Larry Snyder and Travis Gratton, of University Bird and Small Animal Hospital, to help harvest fat cells from Peek. This would allow the fat cells to be converted to stem cells to be injected.

Peek was tranquilized Jan. 22 and transported to the zoos hospital so the fat cells could be harvested. After the harvest, Peek was transported to St. Francis Health Center, where she was met by Brent Wilkins, director of imaging services, and his staff.

After confirming Peek would fit in the 72-centimeter CT scanner, Wilkins was able to do the scan, and radiologist James Owen found an area of Peeks spine was experiencing spinal stenosis. This is a narrowing of the spinal column that causes pressure on the spinal cord, according to zoo officials.

Our first priority is human patient safety and access, Wilkins said. We work with the Topeka Zoo to accommodate animals that need CT scans in off hours when one of our CT scanners is available. We made sure the bear was separated from any other patients and performed a high-level decontamination and cleaning of the area, called a terminal cleaning, after the bears visit. Were very happy to help our friends at the zoo in keeping the animals healthy.

After the CT scan, Peek went back to the zoo, where she received the stem cell therapy. Stem cell therapy treatment in bears is new technology, Wiley said.

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Topeka Zoo's bear gets CT scan, stem cell therapy