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Earlier Lung Cancer Detection Now Possible


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http://biz.yahoo.com/prnews/050412/cgtu052.html?.v=6

- New technology increases radiologists' ability to detect early stages of the nation's leading cancer killer

DAYTON, Ohio, April 12 /PRNewswire/ -- Newly available medical technology is helping radiologists cost-effectively find more early-stage lung cancers, permitting earlier treatment.

RapidScreen, the first and only FDA-approved computerized detection system for digital and film chest x-rays, is providing radiologists with a valuable "second set of eyes" to ensure that potentially cancerous growths will not go undetected. Using routine chest x-rays, RapidScreen identifies suspected nodule sites for further analysis by the radiologist, as seen in the image available at: http://216.183.115.172/clients/Riverain/RapidScreen.htm . When a radiologist is teamed with RapidScreen, studies show that up to 23 percent more 9- to 14-mm nodules are detected. Many 9- to 14- mm growths are early- stage cancers.

According to the American Cancer Society, nearly half of all patients whose lung cancer is detected in early stages will survive for more than five years. Only 3 percent of patients with late-stage lung cancers will survive that long with current treatment methodologies.

"Currently, only 15 percent of lung cancers overall are cured," says Matthew Freedman, MD, Associate Professor of Oncology, Georgetown University Medical Center, and senior medical advisor for Riverain Medical. "Medical advances such as RapidScreen are increasing our opportunity to detect smaller, more subtle nodules at earlier stages, thus getting a crucial jumpstart on fighting the disease."

Detection procedures for lung cancer include chest x-rays; sputum cytology (a deep-cough sample of mucus); biopsies using a fine-needle aspiration; bronchoscopy using a thin, lighted tube to collect a tissue sample; and CT scans-none of which is 100 percent accurate, according to Freedman.

"Detecting lung cancer in its earliest stages has long been a challenge for radiologists, oncologists and primary care physicians," Freedman says. "Medical advances have provided more diagnostic options, but we've continued to confront the same hurdle: detecting small nodules of cancer and distinguishing them from harmless shadows. Riverain's computer-aided detection technology can help radiologists to detect the disease at its early stages. With it, the chest x-ray becomes a more valuable tool."

Nonspecific Symptoms of Lung Cancer Complicate Diagnosis

The ambiguity of lung cancer symptoms, which include fatigue, weight loss, coughing and chest or rib pain, frequently prevents patients from seeking diagnosis and treatment in the early stages of the disease, according to Freedman, who adds that the earliest lung cancers have no symptoms. The lack of obvious symptoms makes it even more essential that high-risk patients, such as current and former smokers, those exposed to secondhand smoke and individuals exposed to pollution at work, become vigilant about disease screening and discuss options with their physicians.

"Technologies such as RapidScreen are just one piece of developing a more effective detection system," Freedman says. "Equally important is the patient's involvement in discussing the need for screening with their physician if they fall into the high-risk category."

Most importantly, he notes, patients who smoke or are exposed to other potential carcinogens should immediately take steps to eliminate those hazards. "We can all afford to take a hard look at how our lifestyle may be impacting us over the long term," Freedman says. " It's never too late to quit smoking and become more conscious of your lung health."

About Riverain Medical

Located in Miamisburg, Ohio, Riverain Medical is a privately held corporation providing chest x-ray computer-aided detection (CAD) and medical artificial intelligence computer-aided solutions to assist physicians in disease detection. For more information on the company, visit http://www.riverainmedical.com .

Source: Riverain Medical

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