Phelps Memorial Hospital
Sleepy Hollow, NY 10591
Westchester County
914-366-3000
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Volunteer
New CT Scanner at Phelps Memorial Hospital Center
March 9, 2004
In the mid 1970s, computed tomography (CT) scanners revolutionized x-ray diagnosis, combining the power of x-ray technology and computers, and allowing a view of wafer-thin cross sections of internal anatomy to diagnose disease, internal abnormalities, and trauma damage.
In 2003, the Radiology Department at Phelps Memorial Hospital replaced its former CT scanner with one that is at the forefront of diagnostic imaging technology – the GE LightSpeed Ultra 16 CT Scanner. The new, state-of-the-art scanner can simultaneously scan as many as 16 adjacent slices in one second. Formerly, patients undergoing a CT scan needed to hold their breath for extended periods to prevent blurring of the image. With the new scanner, sharp, high-resolution, sub-millimeter slices are produced in a single, short breath-hold. Radiologists combine the slices into 3-D color images that enable them to get a more accurate picture of the internal anatomy. They can also see areas from different vantage points, which is especially beneficial if surgery may be required. For the patient, the new CT scanner is more comfortable, provides better diagnoses, and in many cases reduces the need for an invasive diagnostic procedure.
In a single breath-hold, the CT scanner can perform a Calcium Scoring Test to determine if there are areas of hardening (calcium plaque) in the coronary arteries. The test is comfortable for the patient and does not require contrast injection. A “calcium score” is obtained which assesses the risk of heart disease. This is incorporated with other clinical information, which provides the patient with a chance to make lifestyle changes or take other steps toward early intervention to counteract the arteriosclerosis.
Virtual Colonoscopy can also be performed by the new CT scanner. This test examines the colon for polyps, and provides 2D and 3D images for interpretation by the radiologists. A scan is taken of the patient lying on his back and on his stomach and requires only 18 seconds on each side. Detecting a pre-cancerous polyp can alert the patient to take preventive steps before a more serious condition develops.
The CT scanner is the latest addition to Phelps’ Radiology Department, which is one of the most advanced in the region. Our regular technology upgrades ensure that the latest, state-of-the-art equipment is always available to support the excellent skills of our experienced board certified radiologists and technologists.