Fewer than half of patients diagnosed with colorectal cancer had received a screening procedure at least six months prior to their diagnosis, according to a new study. Researchers writing in the February 15, 2005 issue of CANCER, a peer-reviewed journal of the American Cancer Society, further say almost 94 percent of colorectal cancer patients had either not undergone a colonoscopy at all, or not until having the procedure that led to their diagnosis.
Professional societies unanimously recommend colorectal cancer screening in older adults. The premise is mortality and morbidity is reduced when a premalignant growth, which is generally at an earlier stage, is detected and treated. Clinicians can use tests as simple as the fecal occult blood test (FOBT), which is the cheapest but least sensitive test, to tests that examine part of the colon with the sigmoidoscopy, or all of it with a colonoscopy or barium enema. The colonoscopy is the most sensitive test.
In order to characterize the use of the various screening tests in the population and their association with cancer stage, Gregory S. Cooper, M.D. and Jonathan D. Payes, M.S. of the University Hospitals of Cleveland and Case Western Reserve University reviewed the screening history and cancer stage of 5,806 elderly patients diagnosed with colorectal cancer.
David Greenberg | EurekAlert!
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In a recent publication in the renowned journal Optica, scientists of Leibniz-Institute of Photonic Technology (Leibniz IPHT) in Jena showed that they can accurately control the optical properties of liquid-core fiber lasers and therefore their spectral band width by temperature and pressure tuning.
Already last year, the researchers provided experimental proof of a new dynamic of hybrid solitons– temporally and spectrally stationary light waves resulting...
Scientists from the University of Freiburg and the University of Basel identified a master regulator for bone regeneration. Prasad Shastri, Professor of...
Moving into its fourth decade, AchemAsia is setting out for new horizons: The International Expo and Innovation Forum for Sustainable Chemical Production will take place from 21-23 May 2019 in Shanghai, China. With an updated event profile, the eleventh edition focusses on topics that are especially relevant for the Chinese process industry, putting a strong emphasis on sustainability and innovation.
Founded in 1989 as a spin-off of ACHEMA to cater to the needs of China’s then developing industry, AchemAsia has since grown into a platform where the latest...
The BMBF-funded OWICELLS project was successfully completed with a final presentation at the BMW plant in Munich. The presentation demonstrated a Li-Fi communication with a mobile robot, while the robot carried out usual production processes (welding, moving and testing parts) in a 5x5m² production cell. The robust, optical wireless transmission is based on spatial diversity; in other words, data is sent and received simultaneously by several LEDs and several photodiodes. The system can transmit data at more than 100 Mbit/s and five milliseconds latency.
Modern production technologies in the automobile industry must become more flexible in order to fulfil individual customer requirements.
An international team of scientists has discovered a new way to transfer image information through multimodal fibers with almost no distortion - even if the fiber is bent. The results of the study, to which scientist from the Leibniz-Institute of Photonic Technology Jena (Leibniz IPHT) contributed, were published on 6thJune in the highly-cited journal Physical Review Letters.
Endoscopes allow doctors to see into a patient’s body like through a keyhole. Typically, the images are transmitted via a bundle of several hundreds of optical...
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