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Through the advanced and specialized practice of radiology, RAPA has the unique power to see and do more than ever thought possible in an outpatient setting. Using extraordinary technology, minimally invasive interventional techniques, our imaging modalities render powerful diagnostic information that in turn gives hope for a more beneficial therapeutic outcome.

At RAPA, our ability to utilize technology to foster greater physical, spiritual and mental well being has inspired us to never stop searching for new ways to improve the lives of those we serve.


A computed tomography (CT) scan makes use of computer-processed combinations of many X-ray images taken from different angles to produce cross-sectional (tomographic) images (virtual “slices”) of specific areas of a scanned object, allowing the user to see inside the object without cutting.


Magnetic Resonance Imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body in both health and disease. MRI scanners use strong magnetic fields, radio waves, and field gradients to generate images of the inside of the body.


Diagnostic Ultrasound is a diagnostic imaging technique based on the application of ultrasound. Ultrasonic images also known as sonograms are made by sending pulses of ultrasound into tissue using a probe. It is used to see internal body structures such as tendons, muscles, joints, vessels and internal organs.


Endovenous laser therapy treats varicose veins using an optical fiber that is inserted into the vein to be treated, and laser light, normally in the infrared portion of the spectrum, shines into the interior of the vein. This causes the vein to contract, and the optical fiber is slowly withdrawn.


Angiography is a medical imaging technique used to visualize the inside of blood vessels and organs of the body, with particular interest in the arteries, veins, and the heart chambers. This is done by injecting a contrast agent into the blood vessel and imaging using X-ray (fluoroscopy), computed tomography (CT), or magnetic resonance (MR).


Bone Densitometry, also called Dual-energy X-ray absorptiometry (DXA) is a means of measuring bone mineral density (BMD). Two X-ray beams, with different energy levels, are aimed at the patient’s bones. When soft tissue absorption is subtracted out, the BMD can be determined from the absorption of each beam by bone. Dual-energy X-ray absorptiometry is the most widely used and most thoroughly studied bone density measurement technology. The DXA scan is typically used to diagnose and follow osteoporosis.


Mammography is the process of using low-energy X-rays to examine the human breast, which is used as a diagnostic and screening tool. The goal of mammography is the early detection of breast cancer, typically through detection of characteristic masses and/or microcalcifications.


Nuclear medicine is a medical specialty involving the application of radioactive substances in the diagnosis and treatment of disease. Nuclear medicine, in a sense, is “radiology done inside out” or “endoradiology” because it records radiation emitting from within the body rather than radiation that is generated by external sources like X-rays. In addition, nuclear medicine scans differ from radiology as the emphasis is not on imaging anatomy but the function and for such reason, it is called a physiological imaging modality.


Positron emission tomography (PET) is a nuclear medicine, functional imaging technique that is used to observe metabolic processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron-emitting radionuclide (tracer), which is introduced into the body on a biologically active molecule. Three-dimensional images of tracer concentration within the body are then constructed by computer analysis. In modern PET-CT scanners, three dimensional imaging is often accomplished with the aid of a CT X-ray scan performed on the patient during the same session, in the same machine.


An Automated Breast Ultrasound screening detects cancers hidden in dense breast tissue, which may be missed by mammography alone. This screening is done through a scanner positioned firmly on your breast to acquire clear 3D ultrasound images.

Radiology Associates, P.A.

Doctors Building
500 South University
Little Rock, AR 72205

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