Imaging

PET imaging before surgery reduces unnecessary lung surgery by half

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New quantitative data suggests that 30% of the surgeries performed for non-small cell lung cancer patients in a community-wide clinical study were deemed unnecessary.

Big data identifies triple-negative breast, oropharyngeal, and lung cancers

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Big data analytics has predicted if a patient is suffering from aggressive triple-negative breast cancer, slower-moving cancers, or noncancerous lesions with 95% accuracy.

Early relapse risk is higher when omitting radiotherapy in PET-negative early Hodgkin lymphoma

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The risk of early relapse is increased when radiotherapy is omitted in patients with stage I/II Hodgkin lymphoma whose PET scan findings are negative, according to an interim trial analysis.

Nonexpert information for patients increases inappropriate use of high-cost imaging

Nonexpert information for patients increases inappropriate use of high-cost imaging

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The increasing use of expensive medical imaging procedures in the United States is being driven, in part, by patient decisions made after obtaining information from lay media and nonexperts.

3D mapping biopsy finds 3x more prostate cancer than ultrasound biopsy

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Three-dimensional biopsies find more prostate cancers, particularly in the anterior regions, than those guided by ultrasound, according to a new clinical study.

New type of whole body scan could improve treatment of bone marrow cancer

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A new type of magnetic resonance imaging (MRI) scan, known as diffusion-weighted MRI, could improve care for myeloma and reduce reliance on bone marrow biopsies.

Respiratory motion management: Essential to radiotherapy

Respiratory motion management: Essential to radiotherapy

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Respiratory motion management reduces radiation exposure to nontarget tissues in patients undergoing treatment of cancers in the chest and abdomen.

Screen high-risk populations for lung cancer

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High-risk adults age 55 to 80 years should receive annual lung cancer screening with low-dose computed tomography.

Molecular imaging tracer improves accuracy of treatment plans for brain metastases

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Imaging with a molecular imaging tracer can help distinguish radiation-induced lesions from new tumor growth in patients who have been treated with radiation for brain metastases, according to new research.

Reduced reimbursement for imaging may negatively impact patient outcomes

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Drastic reimbursement cuts for image-guided breast biopsies, and other medical imaging techniques in the 2014 Medicare Fee Schedule Final Rule, may further reduce women's access to mammography and other breast cancer services.

3-D mammography increases cancer detection and reduces callback rates

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Compared with traditional mammography, 3D mammography—known as digital breast tomosynthesis—found 22% more breast cancers and led to fewer callbacks in a large screening study, as researchers reported at the annual meeting of the Radiological Society of North America.

New imaging technique identifies breast cancer subtypes and early treatment responses

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An optical imaging technique that measures metabolic activity in cancer cells can accurately differentiate breast cancer subtypes, and can detect responses to treatment as early as 2 days after therapy administration.

Incidental thyroid tumors similar to suspected growths

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Thyroid cancer discovered during imaging that is being performed for reasons other than evaluation of that gland is often similar to nonincidentally discovered thyroid cancer in terms of tumor size, pathology, and behavior.

Posttreatment PET may predict survival in lung cancer

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Higher tumor uptake of a radiotracer used in positron emission tomography (PET) appears to be a predictor of worse survival in persons who have undergone treatment for stage III non-small cell lung cancer.

Immune system harnessed to fight pancreatic cancer

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Substantial tumor regressions among some patients with advanced pancreatic cancer occurred in a recent clinical trial that paired the standard chemotherapy for pancreatic cancer, gemcitabine, with an agonist CD40 antibody.

Cancer rate is low for breast lesions categorized as 'probably benign'

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Breast lesions categorized as probably benign on supplemental ultrasound screening could be re-evaluated via imaging in 12 months, according to a multisite imaging trial.

Overdiagnosis of thyroid cancer linked to new imaging methods

Overdiagnosis of thyroid cancer linked to new imaging methods

There has been increasing incidence of small and indolent thyroid cancer but mortality rate has been stable since 1979.

PET/CT better than bone marrow biopsy for lymphoma diagnosis

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Assessing bone marrow involvement in persons with a new diagnosis of diffuse large B-cell lymphoma (DLBCL) is better accomplished with 18F-FDG positron emission tomography/computed tomography (PET/CT).

Tomosynthesis reduces recall rate in breast screening

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Combining tomosynthesis with digital mammography lowered recall rates by 30% among women being screened for breast cancer, with the greatest reductions seen in patients younger than age 50 years and in those with dense breasts.

Surgery not a must for abnormal breast lesions

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Some women with ALH or LCIS can delay or avoid surgery and instead undergo periodic imaging and clinical examination, as long as radiology and pathology findings are benign and concordant.

Guidelines cover diagnosis, staging of esophageal cancer

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The Society of Thoracic Surgeons (STS) has released new clinical-practice guidelines that feature evidence-based recommendations to help clinicians diagnose and stage esophageal cancer.

PET improves survival in limited-stage lung cancer

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Persons with limited-stage small cell lung cancer (LS-SCLC) exhibited better disease control and survival when staged with positron emission tomography (PET) than did patients who did not undergo staging with PET.

Drug action in pancreatic cancer tracked and improved by nanotechnology

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Tiny biosensors used with new advanced imaging techniques are markedly improving drug targeting of solid tumors, according to new research.

PET and MRI predict effectiveness of chemotherapy in advanced breast cancer

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For patients with advanced breast cancer, PET and MRI can improve quality of life and survival by providing physicians with information on chemotherapy effectiveness prior to surgery.

Integrating 2D, 3D Mammograms Improves Cancer Detection

Integrating 2D, 3D Mammograms Improves Cancer Detection

Depending on the recall strategy, integrated mammography strategy can reduce false-positive recall.

Personalized brain mapping technique preserves function after brain tumor surgery

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The imaging technique of DTI allows neurosurgeons to visualize important pathways in the brain. This allows them to better adapt brain tumor surgeries and preserve language, visual function, and motor function while removing cancerous tissue.

Special imaging detects very early tumor response to treatment

Two noninvasive technologies detected tumor response to therapy weeks earlier than tumor volume changes reflected.

5-ALA fluorescence guide improves resection of glioblastoma multiforme

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Fluorescence form 5-aminolevulinic acid (5-ALA) has been used to guide resection of recurrent GBM. Before surgery, the patient ingests 5-ALA, then the tumor cells fluoresce intraoperatively in response to certain wavelengths of light.

Scatter radiation from mammography does not increase risk of cancer

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The radiation dose to areas of the body near the breast during mammography is negligible, or very low, and does not result in an increased risk of cancer, according to a new study.

Tomosynthesis sharpens digital mammography results

Adding three-dimensional breast imaging to standard digital mammography increases diagnostic accuracy and reduces false-positive recall rates.

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