Imaging

Imaging technique allows pediatric brain tumors to be classified noninvasively at diagnosis

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Researchers have discovered that determining a tumor's medulloblastoma subgroup can be achieved noninvasively, using magnetic resonance spectroscopy (MRS).

New contrast agent spotlights tiny tumors and micrometastases

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Researchers have developed a magnetic resonance imaging (MRI) contrast agent with the capability to pinpoint much smaller aggressive breast cancer tumors and micrometastases.

Targeted molecular contrast agent may improve visualization of lung tumor margins

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New molecular tools are emerging to identify lung adenocarcinomas during pulmonary resection. The results of a proof-of-concept study suggest that fluorescent imaging of lung cancer during surgery using targeted molecular agents may soon be a reality.

Classification system offers precise determination of effectiveness of surgical resection of gliomas

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A new procedure for analyzing radiologic imaging scans increases the chance to accurately predict the course of malignant gliomas.

Appropriate use of tomosynthesis mammography

Appropriate use of tomosynthesis mammography

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With the availability of tomosynthesis mammography, should women at high risk for developing breast cancer still undergo annual MRI?

Follow-up PET/CT more than 95% sensitive for non-Hodgkin lymphoma

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BALTIMORE, MD—For more aggressive cases of non-Hodgkin lymphoma (NHL), posttreatment surveillance with molecular imaging could mean the early start of a new, life-saving treatment. This was presented at the Society of Nuclear Medicine and Molecular Imaging (SNMMI) 2015 Annual Meeting.

Imaging technique identifies early metastasis in lymph nodes

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A new, accurate imaging technique, combining photoacoustics with nanosensors, has been developed for the noninvasive screening of lymph nodes for metastatic cancer.

Imaging technology maps brain tumor and key motor areas, improving postsurgical prognosis

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Preoperative navigated transcranial magnetic stimulation (nTMS) analysis of motor areas can improve the prognosis for patients with malignant brain tumors.

PET-CT Surveillance Cost-Effective for Locally Advanced Head and Neck Squamous Cell Cancer

PET-CT Surveillance Cost-Effective for Locally Advanced Head and Neck Squamous Cell Cancer

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PET-CT guided active surveillance for patients with locally advanced head and neck squamous cell cancer is an option over node dissection, per analysis data presented at the 2015 American Society of Clinical Oncology annual meeting.

MRI shows potential to improve breast cancer prediction

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Magnetic resonance imaging (MRI) can provide vital information for predicting the odds of breast cancer development.

Tomosynthesis detects more breast cancer in screening

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Tomosynthesis detects 40% more breast cancers than traditional mammography does, according to a major screening study.

Cancer detection rate in dense breast tissue dramatically improved with tomosynthesis

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Digital breast tomosynthesis increases the rate of cancer detection in women with dense breast tissue by as much as 67%, according to research.

FDG PET/CT not useful in staging newly diagnosed stage III invasive lobular breast cancer

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Although FDG PET/CT is appropriate for systemic staging of newly diagnosed stage III breast cancer, the technique may not be equally valuable for all breast cancer histologies, research indicates.

MRI screening program for persons at high risk of pancreatic cancer

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A magnetic resonance imaging (MRI)-based screening program for persons at high risk of pancreatic cancer identified pancreatic lesions in 40% of patients, according to an online report.

Under- and over-imaging suspected in prostate cancer care

Under- and over-imaging suspected in prostate cancer care

For men with nonmetastatic castration resistant prostate cancer with a negative bone scan after diagnosis, factors associated with a second bone scan include higher PSA, shorter PSA doubling time, and faster PSA velocity; but under- and over-imaging may also be a factor.

MRI detection of sugar molecules on cells may enable distinction of cancer vs noncancerous cells

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Study data suggests that magnetic resonance imaging (MRI) could one day make biopsies more effective, or even replace them altogether, via noninvasive detection of telltale sugar molecules shed by the outer membranes of cancerous cells.

Photodynamic therapy for pancreatic cancer made simpler and cheaper

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Present barriers for the usual dosimetry accompanying photodynamic therapy (PDT) for late-stage pancreatic cancer can be overcome via clinical technologies.

Early recall rates decline after second round of lung cancer screening

Early recall rates decline after second round of lung cancer screening

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When low-dose computed tomography is used for second and subsequent lung cancer screening, the rate of repeating early repeat scans for suspicious findings decreased by more than 80%.

Treatment guidelines for pediatric Hodgkin lymphoma issued by the International Lymphoma Radiation Oncology Group (ILROG)

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The International Lymphoma Radiation Oncology Group (ILROG) has issued a guideline outlining use of 3-D computed tomography (CT)-based radiation therapy planning.

Inappropriate breast and prostate imaging of Medicare beneficiaries examined

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An association of high rates of inappropriate imaging for prostate cancer and breast cancer found in a study of Medicare beneficiaries suggests that regional culture could contribute to inappropriate imaging.

Long-term follow-up of benign thyroid nodules shows favorable prognosis

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Detection of asymptomatic thyroid nodules has increased, and the majority of benign thyroid nodules examined did not lead to a diagnosis of thyroid cancer, according to a recent study.

Magnetic resonance spectroscopy (MRS) shows precancerous breast changes in women with BRCA gene mutation

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MRS that incorporates monitoring of biochemical changes in tissue could improve the management of women at risk of breast cancer, according to a new study.

Additional PET/CT scans have value in follow-up of lung cancer patients

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Research indicates a high value of scans that could lead to future change of reimbursement policies for follow-up PET/CT studies in lung cancer.

Ultrasound helps determine which breast cancer patients need lymph nodes removed

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Not all women with lymph node-positive breast cancer treated with chemotherapy before surgery need to have all underarm nodes removed, new research indicates.

Targeted MRI-ultrasound is better than standard biopsy at detecting high-risk prostate cancer

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Targeted magnetic resonance (MR)/ultrasound fusion biopsy outperformed standard biopsy technique for increased detection of high-risk prostate cancer, according to a recent study.

Less cancer-related imaging in Department of Veterans Affairs (VA) health system

Less cancer-related imaging in Department of Veterans Affairs (VA) health system

Lower use of imaging seen in the VA than in fee-for-service Medicare; not associated with less geographic variation.

Tumor-analysis technology speeds treatment decisions for colorectal cancer

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A novel medical-imaging technology, TexRAD, which analyzes the texture of tumors, has been shown in trials to enable early diagnosis of colorectal cancer in patients not responding to the standard cancer therapy better than other available tumor markers.

Breast cancer tumor response to neoadjuvant chemotherapy (NAC) measured

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Diffuse optical spectroscopic tomographic imaging (DOST) may be useful in predicting which patients will best respond to chemotherapy used to reduce breast cancer tumors before surgery, according to a new study.

Breast cancer is more accurately diagnosed after PET/CT imaging in younger patients

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A change in diagnosis resulted from PET/CT imaging of patients who were younger than 40 years with an initial diagnosis of stage I-III breast cancer, according to a retrospective analysis.

Accuracy of lung cancer screens in some geographic regions questioned

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Positron emission tomography and fludeoxyglucose F18 is less accurate in diagnosing lung cancer from benign disease in areas where histoplasmosis or tuberculosis infections are common.

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