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Diagnostic Imaging

Most Advanced Imaging Department in the Area

From mammography to the valley’s largest and most powerful MRI, the imaging department Providence St. Mary Medical Center offers the most advanced capabilities in the area. When you need diagnostic imaging, there’s no need to travel out of town. Providence St. Mary has you covered – close to home, here in Walla Walla.

In addition to X-ray and ultrasound, our services include:

Digital mammography

Providence St. Mary was the first facility in the region to offer 3-D mammography - a quantum leap forward in the detection of breast cancer at its earliest, most treatable stage. With 3-D mammography, also called tomosynthesis, the machine moves around the breast, taking laser-sharp images in thin slices. The radiologist can then view the entire breast in 3-D, moving through each slice to find cancers that may have been obscured in traditional mammograms.

Doctor referrals are not required for mammograms, and women do not need to be patients at Providence St. Mary, or use a Providence doctor in order to have a 3-D mammogram at the medical center. To schedule a 3-D mammogram or for more information, call (509) 522-5850.


Providence St. Mary Medical Center has two MRIs, including the valley’s largest and most powerful. It has an “open bore,” a significantly larger opening than a traditional MRI. For patients, it means you’re less likely to feel claustrophobic. And, it can accommodate larger individuals.

Computer tomography (CT)

CT scans are used to see many types of structures, including lung, bone, soft tissue and blood vessels. Providence St. Mary has a variety of CT scanners, including a 64-slice CT that uses a lower dose of radiation than a traditional CT. Depending on the scan, up to 40 percent less. A smaller dose of radiation is especially important for children and patients who need repeat scans.

Cardiac CT angiography

This allows doctors to see heart structures, often eliminating the need for invasive tests.

Nuclear medicine

Nuclear medicine is often used to diagnosis progression of a cancer, pulmonary embolisms and to measure organ function.


Flouroscopy is used both to examine structures and to assess movement, such as how food is traveling down the digestive tract, or how blood is traveling through a vessel. In addition, it’s often used as an aid in other procedures, such as giving doctors a continuous view inside the body while they insert a catheter.


Positron emission tomography scans combine the ability of CT with another form of imaging: positron emission tomography. This lets doctors see both structure and function.


This is an ultrasound of the heart to assess its size and function, as well as that of the surrounding vessels.

Requesting Your Images

  • Imaging Records Release: Use this form if you’d like your diagnostic imaging data and reports released to another medical facility.
  • Imaging Records Pick Up: Use this form to authorize someone else to pick up your diagnostic imaging data and reports.