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Removing the “Guess” from Lameness Evaluations

A Look at Palm Beach Equine Clinic’s Advanced Imaging Technology

Dr. Sarah Puchalski reviewing a CT scan at PBEC.
Photo by Jump Media

Palm Beach Equine Clinic takes pride in being a world-class facility for the diagnosis, treatment, and recovery of some of the industry’s most valued sport horses, as well as backyard companions. A vital area of the Equine Hospital that helps veterinarians to diagnose subtle or acute lameness is the Advanced Imaging Department.

Producing thousands of scans a year across all modalities, the Palm Beach Equine Clinic Imaging Department offers an on-staff, board-certified radiologist, and equipment that elevates the effectiveness of lameness diagnostics. Lameness is no longer a guessing game as PBEC veterinarians have an arsenal of imaging technologies to capture inside the horse.

Tour the PBEC Imaging Department:


Palm Beach Equine Clinic bone scan nuclear scintigraphy diagnostic imaging

Nuclear Scintigraphy (Bone Scan)

Nuclear scintigraphy begins with the injection of a radioactive isotope called Technetium 99 that is bound to a phosphate analogue. The isotope – phosphate molecule attaches to the mineral matrix of the bone in areas where bone is active. A gamma camera is then used to capture images of the skeletal anatomy. Points that “light up” on the image indicate increased metabolic activity as a possible site of injury.

Standing Magnetic Resonance Imaging (MRI)

The standing MRI produces highly detailed, cross-sectional images of bone and soft tissue in multiple different planes to fully image a desired region. The standing MRI requires sedation (not anesthesia) and is best used to further define a specific area that has already been pinpointed as the origin of lameness.

Computed Tomography (CT)

Similar to its use in humans, CT allows veterinarians the unique opportunity to conveniently explore areas of a horse’s body that were previously inaccessible. The machine produces 360 degree images of a horse’s neck, spine, and head and can be conducted while a horse is standing and under only light sedation.

Endoscopy

An endoscope is an instrument that allows veterinarians to look inside the body by being inserted through a natural opening or incision. A tiny camera on the instrument allows an in-depth view of internal structures such as the upper and lower respiratory track, gastrointestinal and urinary tracts, as well as the cervix and uterus of mares.

Palm Beach Equine Clinic Sport Horse Medicine Radiography

Digital Radiography

Used routinely, radiographs are traditional x-rays that are made available within seconds for digital viewing and evaluation.

Ultrasonography

An ultrasound machine generates high-frequency sound waves, which echo an image back to the machine where bone appears white, fluid appears black, and all other structures are on a grayscale. An ultrasound is non-invasive, usually does not require sedation, does not use radiation or require injecting radioactive isotopes, and provides real-time images.


“These tools can give a definitive diagnosis, and that saves time and money in the long run,” said board-certified radiologist Dr. Sarah Puchalski. “For example, if a horse goes lame and it gets seen and treated empirically, which is a diagnosis based on likely problems through common diagnostic procedures, it either stays sound or it becomes lame again or even non-functional in three to six months. This method sets back the commencement of the appropriate therapy.

“What these modalities do is allow the horse to be treated early and correctly,” continued Dr. Puchalski. “Otherwise, you may not be treating the correct issue, and the horse could end up lame again very soon.”

Brittany Riddle, manager of PBEC’s Nuclear Scintigraphy Department, is fascinated by the structure of the horse’s body and helps to produce hundreds of bone scans per year.

“I’ve always had a strong interest in the anatomy of horses,” said Riddle, who spends her workday keeping patients comfortable and calm while operating a gamma ray camera housed in its own suite at Palm Beach Equine Clinic. “The horses are under light sedation for standing scans and these usually take from one to four hours depending on the type of scan. Usually during the winter competition season, we have anywhere from two to three horses being scanned daily.

“The variety of patients we treat is always interesting,” continued Riddle. “We see patients from all aspects of the industry. From racehorses to polo ponies, western performance, dressage, top show jumpers and hunters.”

According to Palm Beach Equine Clinic President Dr. Scott Swerdlin, having the latest in diagnostic capabilities drives the success of the Clinic.

“Many years ago, we committed to establishing Palm Beach Equine Clinic as an all-inclusive hospital and making it the most advanced referral center in the country,” said Dr. Swerdlin. “By investing in the very best personnel and equipment, we are able to provide the very best care we can for our patients.”

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