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New Low-Dose Radiation CT Scanner at Texas Health Southwest Cuts Exposure Nearly in Half

FORT WORTH, Texas — Texas Health Harris Methodist Hospital Southwest Fort Worth is the first hospital in Tarrant County to offer the next generation of diagnostic imaging technology that cuts patients’ radiation exposure nearly in half.

The 64-slice computed tomography scanner with adaptive statistical iterative reconstruction (ASIR) delivers high-speed, high-quality images with up to 40 percent less radiation, representing an important advancement in CT scan diagnostics.

To patients, this could mean a reduced risk of developing cancer from routine CT scans. A study published in the Archives of Internal Medicine in December found that radiation from CT scans done in 2007 will cause an estimated 29,000 cancers and kill nearly 15,000 Americans. The researchers estimated there will be an extra 2,000 excess breast cancers just from CT scans performed that year.

“This technology enables us to drastically reduce radiation levels and administer just the dose required to achieve quality images,” said Dr. David Robinson, medical director of radiology at Texas Health Southwest. “This is especially important for patients who may need multiple imaging tests, such as cancer patients, and for women of child-bearing age.”

With earlier-generation CT technology, radiologists could deliver lower doses of radiation, but reducing the dosage too much would result in obscuring the image. ASIR is a new advanced image reconstruction technique that makes it possible to dramatically reduce radiation without compromising the quality of the image.

“This represents a significant step forward in diagnostic technology that enhances our ability to fulfill our mission of improving the health of the people in the communities we serve,” said Brett McClung, president of Texas Health Southwest. “I am proud that Texas Health Southwest is the first hospital in Tarrant County to offer this important advancement to our patients.”

For more information about the scanner or to schedule an appointment, call 817-433-1700.

About Texas Health Harris Methodist Hospital Southwest Fort Worth
Texas Health Harris Methodist Hospital Southwest Fort Worth is a 230-bed acute care, full-service facility that has provided quality and compassionate care to the residents of southwest Tarrant County for more than two decades. The hospital’s services include surgical and imaging services, a 24-hour emergency department, orthopedics and sports therapy, adult critical care, and a Level III neonatal intensive care unit. An affiliate of the faith-based, nonprofit Texas Health Resources system, Texas Health Southwest Forth Worth has 992 employees, 120 volunteers, and 578 members on the medical staff. For more information, call 1-877-THR-WELL, or visit

About Texas Health Resources
Texas Health Resources is one of the largest faith-based, nonprofit health care delivery systems in the United States and the largest in North Texas in terms of patients served. The system of 13 hospitals includes Texas Health Arlington Memorial Hospital, Texas Health Harris Methodist hospitals, Texas Health Presbyterian hospitals, and a medical research organization. Texas Health is a corporate member or partner in six additional hospitals and surgery centers. For more information, call 1-877-THR-WELL, or visit

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