The procedure called virtual colonoscopy, merges X-ray and computer technology to produce 3-dimensional angles of the complete span of the colon, the large intestine.
The procedure called virtual colonoscopy, merges X-ray and computer technology to produce three-dimensional angles of the complete span of the colon, the large intestine. It permits physicians to search for polyps, or pre-cancerous lumps, or other indications of cancer or other intestinal illness. Based on the U.S. National Cancer Institute, virtual colonoscopy can be accomplished with computed tomography (CT or CAT scan) or with magnetic resonance imaging (MRI). Canadian prescriptions may be necessary prior, during and after the procedure.
"It's a test that has a tremendous number of questions still yet to be answered," according to Dr. David A. Johnson, Chief of Gastroenterology at Eastern Virginia Medical School, past president of the American College of Gastroenterology and co-author of the group's guidelines for colon cancer screening.
"It's a less invasive test," said Dr. Judy Yee, an Associate Professor and Vice Chairwoman of Radiology and Biomedical Imaging at the University of California, San Francisco, and Chief of Radiology at the San Francisco VA Medical Center. "You don't have to introduce a 6-foot-long probe into the colon through the rectum."
However, virtual colonoscopy has disadvantages – tissue samples cannot be extracted, nor can a polyp be taken out when using virtual colonoscopy. If patients are diagnosed with polyps during the virtual colonoscopy and were not immediately removed, they may continue to suffer fullness, bloating, nausea and other related stomach discomforts. As such, they may be prescribed to buy Motilium .
"They not only are not detecting a sizable number of polyps, they are calling polyps that aren't there," according to David A. Johnson, M.D., Professor of Internal Medicine, and Chief of Division of Gastroenterology in Eastern Virginia Medical School, Norfolk, Virginia.
"Virtual colonoscopy has been shown through multiple studies to be as sensitive as normal colonoscopy to detect clinically significant lesions of 10 millimeters or larger," Yee said.
Yee added that radiation issues are exaggerated. "It's been shown that virtual colonoscopy is a low-dose examination," she stated.
"The hope is that virtual colonoscopy will bring in individuals who aren't ever considering being screened, who need to be screened," said Yee. "We'd like to bring patients in before the cancer ever develops." Hence, there might be a need to visit Canada drugstore online for immediate treatment.
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