Sentences with phrase «malignant tissues»

According to Ted Gansler, doctor and director of medical content for the American Cancer Society, malignant tissues tend to release chemicals that are different from normal tissue and dogs are capable of recognizing them when allowed to sniff breath and urine samples.
The targeted drug delivery appears to be a very promising strategy for controlling the biodistribution of the cytotoxic agent only on malignant tissues by linking it to tumor - targeting moiety.
An analogy between the evolution of drug resistance in bacterial communities and malignant tissues.
Researchers at Oregon State University have developed a new way to selectively insert compounds into cancer cells — a system that will help surgeons identify malignant tissues and then, in combination with phototherapy, kill any remaining cancer cells after a tumor is removed.
Since the early 20th century, surgeons have used sparks of plasma to zap warts and other malignant tissues.
«Prostate cancer is difficult to image because of the limited contrast between normal and malignant tissues within the prostate,» Marks said.
Increased amounts of COX - 2 are commonly found in both malignant tissues and tumors, including skin cancer (20).
Babies will NOT always refuse to feed from a cancerous breast, although babies have been known to refuse a breast when the taste of the milk changes or the milk supply decreases due to malignant tissue growth.
Computed tomography, positron - emission tomography, magnetic resonance imaging, CT - MRI fusion images, and virtual 3 - D imaging have entered the mainstream, so that malignant tissue is detected earlier and targeted more accurately with drugs, radiation, or surgery.
There has been a lack of reliable markers, early indicators and risk factors associated with pancreatic cancer, but this new way of differentiating between healthy and malignant tissue offers hope for earlier diagnosis and treatment.»
In 1863 the prominent German pathologist Rudolf Virchow noted the presence of so - called lymphoreticular infiltrate (white blood cells) in malignant tissue.
In the malignant tissue, they found up to 1500 genes with mutations — a level higher than has been found for either lung cancer in smokers or skin cancer in patients with heavy exposure to ultraviolet radiation.
By contrast, they found no difference in miR - 192 levels between chronically inflamed and malignant tissue or between various tumor stages.
The tissue samples contained both malignant tissue as well as cancer - free tissue.
This is often how neurosurgeons actually identify tumour tissue for resection, as described from the study below and from use of the iKnife, which identifies malignant tissue and can be combined with a form of photodynamic therapy.

Not exact matches

We wanted to answer not just cancer or not cancer, but malignant or benign, and where the tissue is.
He is a «medical oncologist and hematologist with a special interest in the diagnosis, clinical care, and investigation of patients with malignant mesothelioma and soft tissue sarcoma,» according to an online biography on the school's website.
Reimplanting the tissue may reintroduce malignant cells.
EphA2 spreads cancer by allowing malignant cells to migrate from the primary tumor into circulation and eventually to adhere to other tissues.
If a woman is positive for HPV genotypes 16 or 18, which convey the greatest risk of developing cervical cancer precursor lesions in the next three years, she should be referred for a colposcopy (an illuminated, magnified examination of the cervix and other genital tissue for premalignant or malignant lesions).
But its images can not distinguish malignant tumors from benign growths filled with harmless breast tissue.
Mammograms miss up to 20 percent of tumors, and an average of one out of 10 readings mistakenly identifies healthy breast tissue as possibly malignant.
Small populations of adult stem cells with somewhat limited developmental potential are responsible for the body's ability to heal injuries and replace worn out cells and tissues, and evidence is growing that rare cancer stem cells are responsible for the uncontrolled growth of some malignant tumors, including glioblastoma.
They do more than watch the camera, they are able to remove polyps — abnormal growths — both to prevent precancerous polyps from becoming malignant and to examine the tissue for signs of cancer.
As not all cases of Barrett esophagus become malignant, it is important for the treating physician to know whether there are reliable indicators (so - called biomarkers) which allow the estimation of a tumor development in the still benign tissue.
Two of those endometrial false lines had been highly prized because they supposedly were drawn from normal tissue, which can be invaluable for studying the earliest steps to malignant transformation — potentially helping prevent cancers.
«This helps us distinguish malignant from healthy tissue and tells us how the tumor is responding to chemotherapy earlier than other imaging techniques can.»
«It is rather remarkable that the difference between cancers with bad outcomes and good outcomes is found not in the malignant cells, but in the tissue adjacent to the cancer.
Cancer therapies are often harsh because eradicating malignant cells entails damaging healthy tissue as well.
And he had some preliminary evidence: When he added DNA from malignant prostate tissue cells to a microarray, a novel retrovirus emerged.
In a bid to progress beyond the shotgun approach to fighting cancer — blasting malignant cells with toxic chemicals or radiation, which kills surrounding healthy cells in the process — researchers at the Harvard - MIT Division of Health Sciences and Technology (HST) are using nanotechnology to develop seek - and - destroy models to zero in on and dismantle tumors without damaging nearby normal tissue.
In 2001 Jeffrey W. Pollard and his co-workers at the Albert Einstein College of Medicine described mice that were genetically engineered to be susceptible to breast cancer tumors but that produced precancerous tissue that did not turn fully malignant unless it enlisted the assistance of macrophages.
To strengthen its clinical research profile, Dresden has created a strategic plan, to be funded by the German Research Ministry (BMBF), that focuses on three aspects of clinical research: tissue engineering and development of physical and molecular medical technologies for clinical application; therapeutic strategies after cell and tissue damage; and diagnosis and therapy of malignant diseases.
Prior studies have shown that levels of miR - 184 are unusually low in tissue samples from patients with malignant gliomas.
By manipulating it in vitro, a team of researchers led by Prof. David Mooney at Harvard SEAS have identified a possible mechanism by which normal cells turn malignant in mammary epithelial tissues, the tissues frequently involved in breast cancer.
Oregon State University scientists have developed a nanomedicine platform for cancer that can help doctors know which tissue to cut out as well as kill any malignant cells that can't be surgically removed.
Malignant tumors pose a major threat to survival largely because they shed mobile cells that can form secondary tumors in other tissues.
In collaboration with colleagues at Genentech, researchers analyzed 216 malignant pleural mesothelioma (MPM) samples, comparing DNA and RNA from normal tissue to cancerous tissue.
The final list of 24 questions ranges from how obesity contributes to cancer risk, to why certain mutations promote cancer in some tissues but not others and why some tumors lie dormant for years before becoming malignant.
The multicentre trial included 153 patients with surgically - treatable malignant pleural mesothelioma, who were first treated with three chemotherapy cycles of cisplatin and pemetrexed, followed by surgical removal of affected lung tissue, with the goal of complete removal of the cancerous areas of lung.
Neuroblastoma is a disease in which malignant (cancer) cells form in primitive nerve tissue called «ganglions» or in cells in the adrenal glands.
Whenever a breast cancer surgeon performs a lumpectomy, there's always a lingering concern: Has enough surrounding tissue been removed to ensure that no malignant cells remain?
Treatment of malignant glioma using gene transfer modalities typically consists of surgical debulking of the tumor mass followed by the administration of the viral vectors into the brain tissue surrounding the tumor cavity.
In her project, Sipkins will investigate molecular characteristics of tissue microenvironments, or «niches,» within the bone marrow and how normal, healthy hematopoietic stem cells, which give rise to the many kinds of blood cells, compete with malignant cells to occupy these coveted niches.
We have applied the knowledge gained in our studies of SCID mice to optimize them to serve as hosts for human normal and malignant cells and tissues.
We have collaborated nationally and internationally with colleagues to develop improved humanized mouse models and optimize the technologies used for engraftment of normal and malignant human cells and tissues.
Synovial sarcoma is a cancer in the joints with a five - year and ten - year survival for people with Grade 3 tumors or metastatic disease of less than 25 % and 15 %, respectively, and Myxoid round cell liposarcoma is a malignant tumor that most often occurs in the deep - seated soft tissues of the extremities.
March 23, 2018 - In the not - so - distant future, surgeons could ensure the complete removal of malignant tumors, and pathologists could analyze tissue more efficiently, by using a device invented at the Indiana University School of Medicine.
Almost half of the resections performed for deep and malignant extremity soft - tissue sarcomas are done by non-oncology surgeons including orthopedic surgeons and general surgeons, according to a new study.
Cambridge, Mass. — June 16, 2014 — A team of researchers led by David J. Mooney, Robert P. Pinkas Family Professor of Bioengineering at the Harvard School of Engineering and Applied Sciences (SEAS), have identified a possible mechanism by which normal cells turn malignant in mammary epithelial tissues, the tissues frequently involved in breast cancer.
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