Radiation for head and neck cancer may cause problems years later

Source: www.usnews.com Author: Steven Reinberg Ten years after radiation treatment for head and neck cancer, some patients may develop problems speaking and swallowing, a new study finds. These problems are related to radiation damage to the cranial nerves, the researchers explained. The condition is called radiation-induced cranial neuropathy. "We had always thought that radiation did not damage cranial nerves because they get treated in every patient with head and neck cancer, and we do not see cranial neuropathy that commonly," said Dr. Thomas Galloway, of the department of radiation oncology at the Fox Chase Cancer Center in Philadelphia. "What our data is suggesting is that a small percentage of people do get cranial nerve damage from treatment, but it occurs after a long latency period," Galloway said. For the study, the researchers collected data on 1,100 patients who had radiation for head and neck cancer between 1990 and 2005. Among these patients, 112 were followed for at least 10 years. Of the 112 patients, 14% developed at least one cranial neuropathy. The median time until the condition was seen was more than seven years. It took some patients more than 10 years to develop the problem, the findings showed. Curing the initial cancer is the most important concern, Galloway said. But these patients need to be followed for the rest of their lives, if possible, he added. The report was published recently in the journal Oral Oncology.

Silk and stem cells are being used to generate salivary glands

Source: biotechin.asia Author: Manish Muhuri Saliva is a watery substance secreted by the salivary glands located in the mouth. Saliva is essential for good health, as it assists in speaking, swallowing, food digestion, preventing oral infections in addition to many other tasks. Without normal salivary function the frequency of dental caries, gum disease (gingivitis), and other oral problems increases significantly. Location and types of salivary glands in humans. Image Courtesy : Wikimedia Commons Dysfunction or reduction in activity of salivary glands can be caused by many factors, including diabetes, radiation therapy for head and neck tumors, aging, medication side effects, and Sjögren’s syndrome. Sjogren’s is an autoimmune disease where the body attacks its own tear ducts and salivary glands. Patients suffering from this disease have severely dry mouth. No treatments are currently available for dry mouth. Salivary glands, unfortunately, have very little regenerative capacity. The title must have left you wondering about the correlation between silk and saliva – what do they have in common? They are both actually part of a unique experiment going on in San Antonio, a study that could change the lives of millions of people who suffer from dry mouth. Chih-Ko Yeh , BDS, Ph.D., and Xiao-Dong Chen, MD, MS, Ph.D., of the UT Health San Antonio School of Dentistry decided there had to be a better way to help people than try to develop drugs and figured that stem cells may help solve a common, painful problem. Yeh said the idea is [...]

Head and neck cancer art exhibition unveils hidden experience

Source: edmontonjournal.com Author: Madeleine Cummings Few words are as terrifying as these three: “You have cancer.” “When you’re told you have cancer, everything seems to fall apart,” said Ken Roth, who was diagnosed with squamous cell carcinoma on the base of his tongue four years ago. “Your head’s spinning, you don’t know what’s going on, you don’t know what the results are going to be,” he said. Brad Necyk, an artist and PhD student in psychiatry at the University of Alberta, tried to capture some of that disorientation in an installation that features a fragmented video of Roth’s face. His art is part of a new multimedia exhibition called “FLUX: Responding to Head and Neck Cancer,” which explores how head and neck cancer affects patients’ lives. (Ingrid Bachmann, Sean Caulfield, Jude Griebel, Jill Ho-You and Heather Huston also have works in the exhibit.) Roth had three-quarters of the base of his tongue removed and his illness led him to leave his job, but others have it a lot worse, he said. Patients with head and neck cancer often undergo lengthy (sometimes multiple) surgeries and they can have trouble speaking, swallowing and hearing. Some patients have to relearn how to speak, and then do it again after an additional surgery. These symptoms — many of which are visible — change how patients eat, communicate and behave in public. They can be devastating, and according to the Canadian Cancer Society, depression is common among the thousands of Canadians who have these kinds [...]

Heading back to the office following head and neck cancer

Source: blogs.biomedcentral.com Author: Daniel Caley In Cancers of the Head & Neck launching today publishes the first study looking at disability and employment outcomes in patients with head and neck cancer related to the human papillomavirus (HPV). Dr Shrujal Baxi, Section Editor for survivorship and patient related outcomes and author of this study, explains more about their work in this Q&A: The rates of patients diagnosed with HPV-related head and neck cancer is rising annually. By 2020, there will be more cases of HPV-related head and neck cancer than HPV-related cervical cancer in the United States. Numerous studies have shown that most patients with this diagnosis are likely to be cured of their disease, placing an increased emphasis on quality of life and non-cancer outcomes in this population of survivors. The majority of patients diagnosed with HPV-related head and neck cancer are working-age adults and employment is a serious issue both financially and psychologically. How can treatment for head and neck cancer impact employment? Treatment for head and neck cancer often involves a combination of chemotherapy and radiation given over a six to seven week period, often known as concurrent chemoradiation or combined modality chemoradiation. This process is considered toxic and can impact a patient’s ability to function normally including speaking, chewing, breathing and swallowing. Many patients require numerous supportive medications to get through treatment including narcotics for pain and anti-nausea medications. Patients can lose on average 10-15% of their weight within a few months and can suffer from severe [...]

Patients to try out gum shield – could end dry mouth misery caused by radiation

Source: www.thetelegraphandargus.co.uk/ Author: staff Mouth cancer patients in Bradford will be the first in the world to try a new battery-powered gum shield that could end the misery of a dry mouth. The pacemaker device fits over the lower teeth and uses minor, painless, electric shocks to trigger saliva production. A dry mouth is a common side-effect of radiotherapy for cancer of the head and neck. Healthy people produce around three pints of saliva a day. It is crucial for aiding digestion by softening food as well as fighting dental bacteria. It is also necessary for basic functions, such as speaking and swallowing. Patients being treated at Bradford Teaching Hospitals NHS Foundation Trust are being recruited to the double-blind trial, along with patients in London. Forty will be given a functioning device, while the remaining 44 will receive a placebo one. Neither the patients nor the doctors will know who has been given the active device. More than 15 patients have already been recruited in Bradford. Dr Jim McCaul, a consultant maxillofacial surgeon at Bradford Teaching Hospitals NHS Foundation, said: “Having a horrible dry mouth makes it impossible to chew food and difficult to speak. Patients worry about things like eating out in public and can’t taste their food as saliva facilitates taste. There is also an immune function in saliva.” Dr McCaul said up to now the only solution to the problem was for patients to sip water or use a saliva substitute in spray form, but the new [...]

Good speaking, swallowing after chemoradiotherapy for head/neck cancer

Source: www.medscape.com Author: Fran Lowry Most patients with locoregionally advanced head and neck cancer who were successfully treated with intensive chemoradiotherapy had no residual deficits in speaking or swallowing after their treatment, according to the results of a study done by University of Chicago researchers. The study appears in the December issue of the Archives of Otolaryngology–Head & Neck Surgery. Of 163 patients with head and neck cancer who were assigned a speaking score an average of 35 months after completing treatment, 84.7% were found to have no lasting difficulties and were given a score of 1 on a scale of 1 to 4, with 1 being the best and 4 being the worst function. In addition, among 166 patients who were assigned a swallowing score an average of 35 months after treatment, 63.3% were found to have no lasting difficulties swallowing and were given a score of 1. "We weren't surprised by our findings," senior author Joseph K. Salama, MD, told Medscape Medical News. "However, it was nice to quantify formally our clinical impressions—that most patients in the long run do well." Dr. Salama was with the University of Chicago, Illinois, at the time the study was conducted and is now at Duke University Medical Center in Durham, North Carolina. Expert Disagrees However, Robert L. Ferris, MD, PhD, professor and vice chair of the Department of Otolaryngology at the University of Pittsburgh Medical Center in Pennsylvania, disagreed with the view that so many patients with head and neck cancer [...]

2010-12-27T21:20:46-07:00December, 2010|Oral Cancer News|
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