Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


Studies report findings on colorectal cancer screening methods and survival rates


AGA journals publish important studies during Colorectal Cancer Awareness Month

Colorectal cancer is the second-leading cause of cancer death in the United States. In 2006, an estimated 148,610 people will be diagnosed with the disease and more than 55,000 are expected to die. However, colorectal cancer can be prevented with proper and timely screening and removal of potentially cancerous polyps. In efforts to promote screening for prevention and early detection of colorectal cancer and to increase awareness of the devastating effects of this disease, the American Gastroenterological Association supports National Colorectal Cancer Awareness Month.

Screening Significantly Reduces Cancer Deaths in Families with Hereditary Lynch Syndrome

(Shift in Mortality in Lynch Syndrome Families Due to Surveillance, de Jong et al.)
Families with a history of Lynch syndrome who are screened regularly reduce their risk of death by 70 percent, according to a study published in the journal Gastroenterology. Lynch Syndrome, also known as hereditary non-polyposis colorectal cancer, is a rare hereditary disorder that usually causes the development of colorectal, endometrial and other forms of cancer. People with the syndrome have a nearly 90 percent risk of developing some form of cancer throughout their lifetime.

Researchers in the Netherlands conducted a study to evaluate the effectiveness of a screening program to look at the prevalence and mortality rates of Lynch Syndrome on a large scale. The program was established in 1987 to promote the early detection of cancer in high-risk families in the Netherlands. The study involved 140 families (2,788 individuals) known to be carriers of the syndrome. Findings show that nearly 75 percent of all deaths in these families were due to cancer, 50 percent of which were from colorectal cancer. Furthermore, there was a 70 percent decrease in the risk of dying from bowel cancer following the establishment of the registry (observed between 1990 and 2004) and screening program.

These findings are important for all patients who are predisposed to develop a hereditary form of bowel cancer because they show that periodic screening by colonoscopy is very effective and has the potential to prevent a majority of deaths from colorectal cancer. Researchers are hopeful that these findings will encourage those with Lynch Syndrome to participate in screening programs and encourage health-care providers to put more emphasis on taking the family history of all patients affected with cancer.

People with IBD-Related CRC Have Similar Prognosis as General Population with CRC

(Colorectal Cancer Prognosis Among Patients with Inflammatory Bowel Disease, Delaunoit et al.)
Historically, it has been thought that people with inflammatory bowel disease (IBD) are at a significantly higher risk of developing and dying from colorectal cancer than those who develop it sporadically. However, findings of a study published in the journal Clinical Gastroenterology and Hepatology show that people with IBD-related colorectal cancer survive just as long as with the disease as those without IBD. Typically, those with IBD have a more advanced form of colorectal cancer when diagnosed and have more cancerous tumors present.

Researchers from the Mayo Clinic in Rochester, MN conducted a study to compare the survival rates of subjects with IBD-related colorectal cancer to those who developed the disease sporadically. Study participants (n = 290 with IBD and 290 without IBD) were gathered from a review of existing medical records at the Mayo Clinic of patients diagnosed with colorectal cancer between 1976 and 1996. The study found that IBD patients were diagnosed with colorectal cancer at a relatively young age and that their tumors tend to be more evenly distributed throughout the colon and rectum than those who develop the disease sporadically. Survival rates for the disease were similar for those with IBD and without, 55 percent and 53 percent respectively.

Researchers urge patients with IBD and their health-care providers to discuss the potential risks of developing colorectal cancer and implement a surveillance program to monitor their disease, if necessary. The earlier the stage of the disease when it is diagnosed, the better the prognosis or survival outcome, say study authors.

Self-Propelling, Self-Navigating Mini-Endoscope May be Effective for CRC Screening

(The Aer-O-Scope: Proof of Concept of A Pneumatic, Skill-Independent, Self-Propelling, Self-Navigating Colonoscope, Vucelic et al.)
According to a study in this month’s issue of Gastroenterology, a self-propelling, self-navigating device called the Aer-O-Scope was found to be as effective as standard colonoscopes in moving throughout the colon. The device also proved efficient without the need for the sedation that is normally required during traditional colonoscopy in more than 80 percent of those people studied.

Researchers from the United States, Croatia and Israel conducted a study that involved 12 young, healthy volunteers between the ages of 20 and 43 who underwent examination with the Aer-O-Scope technology. Each participant underwent a complete bowel cleansing before the procedure and a standard colonoscopy following the procedure to ensure safety and detect any potential internal bleeding. The procedure proved to be effective (navigation through the entire colon was achieved in 83 percent of the patients), time-efficient (time for each procedure ranged between 15 and 35 minutes) and safe (no patients experienced significant adverse events).

According to these researchers, patients who tolerate the procedure without sedation can expect to leave the procedure and resume their daily activity, avoid the need to have a family member or friend drive them home and may avoid the potential risks and costs of conscious or unconscious sedation.

Kimberly Wise | EurekAlert!
Further information:

More articles from Studies and Analyses:

nachricht Rutgers-led innovation could spur faster, cheaper, nano-based manufacturing
14.02.2018 | Rutgers University

nachricht New study from the University of Halle: How climate change alters plant growth
12.01.2018 | Martin-Luther-Universität Halle-Wittenberg

All articles from Studies and Analyses >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Locomotion control with photopigments

Researchers from Göttingen University discover additional function of opsins

Animal photoreceptors capture light with photopigments. Researchers from the University of Göttingen have now discovered that these photopigments fulfill an...

Im Focus: Surveying the Arctic: Tracking down carbon particles

Researchers embark on aerial campaign over Northeast Greenland

On 15 March, the AWI research aeroplane Polar 5 will depart for Greenland. Concentrating on the furthest northeast region of the island, an international team...

Im Focus: Unique Insights into the Antarctic Ice Shelf System

Data collected on ocean-ice interactions in the little-researched regions of the far south

The world’s second-largest ice shelf was the destination for a Polarstern expedition that ended in Punta Arenas, Chile on 14th March 2018. Oceanographers from...

Im Focus: ILA 2018: Laser alternative to hexavalent chromium coating

At the 2018 ILA Berlin Air Show from April 25–29, the Fraunhofer Institute for Laser Technology ILT is showcasing extreme high-speed Laser Material Deposition (EHLA): A video documents how for metal components that are highly loaded, EHLA has already proved itself as an alternative to hard chrome plating, which is now allowed only under special conditions.

When the EU restricted the use of hexavalent chromium compounds to special applications requiring authorization, the move prompted a rethink in the surface...

Im Focus: Radar for navigation support from autonomous flying drones

At the ILA Berlin, hall 4, booth 202, Fraunhofer FHR will present two radar sensors for navigation support of drones. The sensors are valuable components in the implementation of autonomous flying drones: they function as obstacle detectors to prevent collisions. Radar sensors also operate reliably in restricted visibility, e.g. in foggy or dusty conditions. Due to their ability to measure distances with high precision, the radar sensors can also be used as altimeters when other sources of information such as barometers or GPS are not available or cannot operate optimally.

Drones play an increasingly important role in the area of logistics and services. Well-known logistic companies place great hope in these compact, aerial...

All Focus news of the innovation-report >>>



Industry & Economy
Event News

Ultrafast Wireless and Chip Design at the DATE Conference in Dresden

16.03.2018 | Event News

International Tinnitus Conference of the Tinnitus Research Initiative in Regensburg

13.03.2018 | Event News

International Virtual Reality Conference “IEEE VR 2018” comes to Reutlingen, Germany

08.03.2018 | Event News

Latest News

Wandering greenhouse gas

16.03.2018 | Earth Sciences

'Frequency combs' ID chemicals within the mid-infrared spectral region

16.03.2018 | Physics and Astronomy

Biologists unravel another mystery of what makes DNA go 'loopy'

16.03.2018 | Life Sciences

Science & Research
Overview of more VideoLinks >>>