Tumor

Use of Cellular Phones associated with Increased risk of Brain Tumors

A recent article published by a team in Sweden suggests that there is an increased risk of brain cancer in the areas of highest exposure in patients using digital telephones (Case Control Study on Radiology work, Medical X-Ray Investigations, and Cellular Telephones as Risk Factors for Brain Tumors, Hardell, et al, May 4, 2000, www.medscape.com). Their analysis focused on the effect of different...

Radiofrequency Energy Cooks Tumors Without Surgery

Research conducted at the Warren Grant Magnuson Clinical Center shows that by using radiofrequency energy, doctors can now "cook" tumors without actually removing them. The non-surgical technique, used increasingly for kidney and liver cancers, can also be used on cancers elsewhere in the human body. // During radiofrequency ablation (RFA), a tiny needle is inserted into the tumor and...

Morphine may excite cancerous tumors

According to a new study, morphine may be combined with tumor growth in mice. At present there is no scientific data that indicates morphine or similar pain medications will lead to increased cancer growth in humans.// However, researchers say their findings warrant further studies for managing cancer pain. Researchers from the University of Minnesota Cancer Center found doses of morp...

Stem Cells, Tumor Cells Share Similar Properties: Scope For Treatment and Prevention?

Stem cells are one of the fascinating areas for research in biology today. Vigorous research on stem cells is adding new information to the scientific body of knowledge everyday.// Researchers have now added key evidence to claims that some types of cancer originate with defects in stem cells. The study reveals that if molecules crucial to the functioning of these stem cells are not plac...

Treatment Resistant Tumors Can Be Targeted Better Using Botox

Botox, commonly used for cosmetic treatment may play an important role in enhancing the outcome of chemotherapy and radiotherapy, employed in cancer treatment. // Botox is a derivative of Botulinum toxin, a naturally occurring chemical known to cause intestinal poisoning. The toxin has numerous clinical applications such as relieving facial spasms, strabismus and treating muscle hyp...

Benign eye tumors being treated

Researchers at the University of Texas feel that they may have found an effective treatment for a type of non-cancerous eye tumor that threatens clear vision.// Using photodynamic therapy, researchers successfully restored vision in three patients who were suffering from intraocular choroidal hemangiomas, which involved serious retinal detachments. Intraocular choroidal hemangiomas are...

Resistant tumors could be treated with the discovery of a new molecule within cancer cells

A new research study published in the journal, Cancer Cell reported that scientists have discovered why some tumors respond less well to drug treatment as compared to others. Researchers have found that high levels of a specific molecule within cancer cells seem to block the effect of drugs such as Taxol, which are used to treat a number of cancers in their later stages. In the study, the// resea...

Finasteride lowers risk of prostate cancer but increases risk of high-grade tumors

Finasteride prophylaxis appears to prevent or delay the onset of prostate cancer, however, finasteride may also accelerate the growth of high-grade cancers. More than 18,000 men were randomized , age 55 or older to finasteride 5 mg/day or placebo. At baseline, digital rectal examination results were normal in all subjects, and prostate-specific antigen (PSA) levels// were no more than 3.0...

Finasteride lowers risk of prostate cancer but increases risk of high-grade tumors

Finasteride prophylaxis appears to prevent or delay the onset of prostate cancer, however, finasteride may also accelerate the growth of high-grade cancers. More than 18,000 men were randomized , age 55 or older to finasteride 5 mg/day or placebo. At baseline, digital rectal examination results were normal in all subjects, and prostate-specific antigen (PSA) levels were no more than 3.0 ng...

Same molecule found in meat, milk, tumors

A non-human molecule found in red meat and milk makes its way into the human system when eaten -- and seems to build up especially in tumors, say researchers.// The compound, called sialic acid, is found on the surfaces of animal cells but is not found in people, and may be one reason why animal-to-human organ and tissue transplants do not work well. Animals have a version called Neu5Gc...

New Liver Tumor Treatment

A combination treatment looks like a better option for some patients with large liver tumors. The treatment includes reducing the size of the tumor //before using lasers to heat and destroy the tumor. A new study shows the combination treatment improves the overall survival of the patients. Radiologists use a procedure called laser-induced thermotherapy (LITT) to heat tumors. The probl...

Latest Tumor Classification More Informative

Clinicians say information about the genetic make-up of tumors help them decide on the most effective course of treatment for patients with cancer. To be most helpful these molecular data must be incorporated into a tumor classification // that includes morphological and clinical information. Specialists say, "The latest classification is simple (reducing the complexity of information r...

New Technique For Benign Breast Tumors

Each year, more than 1 million women in the United States undergo breast biopsies. In about 80 percent of these cases, the lumps are benign, //or non-cancerous. But that benign lump still causes anxiety in many women. Now, one technique is making it easier for women to get rid of the lumps without surgery. In most cases, benign breast tumors can be left alone. However though one can 99 p...

Another Treatment Option for Benign Tumors

A recent study shows treating benign tumors outside the brain using the CyberKnife frameless radiosurgery can successfully // control their growth and progression with minimal toxicity. CyberKnife is a non-invasive robotic radiosurgical device that can remove tumors and other lesions without open surgery. It uses a robotic arm, controlled by a computer, that sends multiple beams of high-dose radi...

Understanding The Origin Of Tumors

Tumors of unknown origin are the eighth leading type of cancers. Researchers say a new testing method called Gene Expression Profiling // may now help identify where tumors first begin to grow. They say the testing method is about 86-percent accurate in determining a tumor’s origin. Specialists say most cancer treatments are selected specifically by tumor type. Giving the wrong treatment...

Cell phones are not associated with risk of brain tumor

Danish researchers have reported that there is no increased risk of having brain tumor associated with cell //phone users. The researchers had taken data from 427 people with brain tumors and 822 healthy people about their use of cell phones. The study participants had to go through a medical check-up including Mini-Mental State Examination, and radiological examinations. Most people...

Virus to treat brain tumor

Researchers have identified a virus that targets and kills a type of brain tumor.// A strain of vesicular stomatitis virus (VSV) can successfully target and kill glioblastoma, which is one of the deadliest forms of brain tumors. Glioblastoma is a form of brain tumor that is resistant to modern medical or surgical procedures. Researchers of Yale School of Medicine had taken n...

Women with borderline ovarian tumors can still preserve their fertility

Women with borderline ovarian tumors can still preserve their fertility// through conservative surgery. In one of the largest study on women with borderline ovarian tumors show that women can preserve their ability to have a child by getting only one ovary removed. Borderline ovarian tumors are a kind of epithelial ovarian tumors. These tumors have less chance of spreading as a maligna...

Outpatient Treatment Possible For Patients with Uterine Fibroid Tumors

Researchers from Mayo Clinic had developed focused ultrasound to be used in the outpatient department in the hospital for treating women suffering from uterinefibroid tumors. //Focused ultrasound is a welcome advance in treating this common condition that affects an estimated 40 percent of women over age 40, because it is the first completely noninvasive treatment available for symptoms from...

Lipoma Arborescens: A Rare Tumor Of The Knee

Lipoma arborescens (tree like, diffuse articular lipomatosis) is a rare, benign intra-articular lesion of unknown aetiology. //It is a very rare primary benign tumour of the synovium, and forms part of the differential diagnosis for a slowly progressive chronically swollen knee. About 50 cases of Lipoma arborescens have previously been reported, usually involving one knee, with occasion...

Researchers Develop Mouse Model Of Brain Tumor

A team of researchers, led by Dr. Martine Roussel of the St. Jude Children’s Research Hospital has developed a mouse model of medulloblastoma, the most common malignant brain tumor found in children. // Basically, medulloblastomas are malignant tumors that are formed by cells which are not yet mature or in other words by poorly developed brain cells. These tumors are usually formed in...

Protein Markers for Identification of Brain Tumor

Professor Waldemar Debinski and his team from Wake Forest University Baptist Medical Center have found a new treatment for the brain tumor – glioblastoma multiforme. The scientists have found that the inactive form of EphA2 // protein in the brain cells were responsible for spread of cancer cells and the work was published in the Journal Molecular Cancer Research. Glioblastoma multiforme is the m...

Surgery to remove tumors in the spine

Christopher Ames, Neurosurgeon at University of California, San Francisco have developed a surgery method that uses standard and innovative devices to first remove and then reconstruct portions of the cervical spine in order to access tumors. // Tumors which are present in the bone of the cervix region are very difficult to operate. The neurosurgeon used a new technique called Lateral...

New Model for understanding Tumor Metastasis

Researchers from Children's Memorial Research Center, Northwestern University have found a new model that shows how tumor cells interacts with the surrounding normal skin cells in the presence of microenvironment of tumor cells. // The process of metastasis spread and transformation from normal skin cell to malignant cell is understood with the help of this new model. "Our findings of...

Mutated Viruses Can Cure Tumors

Scientists claim that some kinds of live mutated viruses can cure tumors in animals and humans.Scientists led by Moira Brown from the University of Glasgow treated a patient with an aggressive //form of brain cancer after finding the method safe in animals, the New Scientist reported. A mutation of the herpes virus was injected into the patient who had been given only four months to...

Indonesian boy with huge neck tumor was surgically removed

Lukas Wahangara, 12 year old boy from Indonesia had a tumor measuring about 7.87 inches diameter and weighed 4.41 lb and the tumor made up around 10% of his body weight.// The tumor was successfully operated by the Surgeons in Singapore at Mount Elizabeth Hospital involving different specialties. The tumor had developed due to an Iodine deficiency which is an endemic problem in Sumba....

Benzotiophene derivatives exhibit antitumor activity

Raquel Villar Becares, Ph.D, student at Public University of Navarre has reported in her thesis that benzo[b]tiophene 1,1 dioxide is found to have anti-cancer effects//. She tested 24 compounds isolated from the derivatives and found 23 compounds from it had antitumor activity when tested in invitro cell cultures. Initial studies have found that the benzotiophene derivatives have antitumor activi...

Nigerian girl recovering well after removal of brain tumor

A Nigerian woman was ecstatic that she and her daughter traveled more over 6,000 miles to spend their Christmas in an intensive care unit // . Mariam Ameh’s 13-year-old daughter Faridah has been recovering well after journeying to Cleveland's Rainbow Babies & Children's Hospital, where doctors removed a brain tumor the size of a grapefruit, the biggest the surgeons had seen....

Little Known DNA Repair Enzyme May Be A Tumor Suppressor Gene

Researchers at the University of Pittsburgh have demonstrated that loss of DNA // repair enzyme’s activity in mouse cells leads to dramatic chromosomal instability. The DNA in our cells is constantly subject to environmental, chemical and cellular impacts. Thanks to nature, our cells contain several enzymes dedicated to detecting and repairing any damage caused by these impacts. Failu...

High Decibel Noise May Lead To Tumor

EAR Shattering News! Latest research by Edwards and Schwartz Baum from the Institute of Environmental Medicine of the Karolinska Institute in Stockholm, Sweden, suggest, that people// who are constantly exposed to loud noise, could risk developing a non-cancerous tumor, ultimately leading to deafness. The Tumor, termed as Acoustic Neuroma, develops gradually with symptoms showing up...

Exposure to Grating, Noise, Music Can Cause Tumors Leading To Deafness

A study by researchers at the Ohio State University says that regular exposure to a cacophony of sound makes a person one-and-a-half times more vulnerable to develop a tumor called as acoustic neuroma. //Eventually, people with this tumor develop deafness or hearing loss due to the impingement of this tumor on the cranial nerve that is responsible for hearing and maintaining the balance of an ind...

Tumor Suppressor p53's Contradictory Regulatory System

A new study appearing in the online open-access journal PLoS Biology examines the role played by the tumor suppressor protein called p53. It has been found that any mutations of p53 play a key role in the development of many human cancers. //This particular study was carried out by Min Hu, Yigong Shi and colleagues. To provide a bit of background, when there a cell injury, p53 triggers...

Unusual Tumor-Suppressor Gene Switches Off in Lung Cancer

Researchers at Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, have found a tumor suppressor gene that could be of vital significance in the development of head and neck cancers as well as lung cancer. //Their study shows that activating this particular gene could slow up the development of the aforementioned cancers.<b...

Use Of Mobiles Does Not Result In Tumors

Scientists belonging to the UK's Institute of Cancer Research have revealed that there is no increased risk of developing brain tumor as a result of using mobile phones. The use of mobile phones is in no way connected to glioma, according to the scientists. // Many other researches conducted in Europe and the US had also yielded the same conclusions. The latest research covered 13 na...

Breast Tumor Metastasis Stimulated by Post Pregnancy Circumstances

Breast Tumor Cells may develop due to changes in the tissue environment of the breast that occur after pregnancy, according to a paper by McDaniel. This study has found a place in the February issue of The American Journal of Pathology. // The stages of pregnancy, lactation, and involution dictate drastic changes in the tissues of the human breast, resulting in multiplication, diffe...

Inactivation of Rad9 in Tumor Cells Would Be Advantageous In Cancer Therapy

A study conducted by Tej K. Pandita, Ph.D., associate professor of radiation oncology at Siteman Cancer Center, Washington University School of Medicine and Barnes-Jewish Hospital said that // inactivation of mammalian Rad9 in Tumor Cells Would Be Advantageous In Cancer Therapy. Rad9 checks for DNA damage, and fixes dangerous breaks in the DNA double helix. It is active in telomeres w...

Missing Chromosomes Revealed Brain Tumor Therapy Effect – Research Find

Study results have uncovered that missing portions of 2 chromosomes located at 1p and 19q predicted the prognosis of Brain tumor therapy//. The senior author Walter J. Curran Jr., M.D., professor and chair of radiation oncology at Jefferson Medical College of Thomas Jefferson University in Philadelphia, have found a paradigm shift in managing rare, malignant but treatable brain tumors a...

Tasmanian Ecology Affected By Devil Facial Tumor Disease

The Tasmanian devil facial tumor disease has affected the ecological balance existing between native and feral species in Tasmania//. Due to this disease the number of devils has sharply reduced. David Pemberton a researcher said that there is a 40% drop in the devil population in the Mt William National Park. The ecology of the area has changed and one can see carcasses lying around t...

Researchers Investigate Protein that Protects Tumors

A protein that allows breast cancer cells to evade the body’s natural immune responses could be a target of future cancer therapies//, according to a study by Keck School of Medicine of USC scientists published today. The study, published in the July 1 issue of the American Journal of Pathology, is the first to identify how EphB4 – a protein that sits on the surface of cells – function...

10-Kilo Tumor Removed From Cancer Patient

A massive abdominal tumor measuring about 10 kg has been removed from a female patient, by surgeons in the western Croatian town of Gospic//. The woman, 66, was brought to the hospital from a nearby village after suffering severe stomach pain for several days. Doctors said they were shocked to find a tumour that had virtually filled most of her abdominal cavity. The tumour w...