Imaging

Altered Metabolism of Four Compounds Drives Glioblastoma Growth

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The altered metabolism of methionine, tryptophan, kynurenine, and 5-methylthioadenosine can drive the development of glioblastoma. Results also suggest ways to treat the cancer, slow its growth, and precisely elucidate its extent.

Pill Improves Breast Imaging to Light Up Cancer

Pill Improves Breast Imaging to Light Up Cancer

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Scientists are developing a pill that illuminates only cancerous tumors, improving on current methods that can identify tumors but cannot conclusively determine whether they are cancerous

Image-Guided Surveillance Beneficial for Head and Neck Cancer

Image-Guided Surveillance Beneficial for Head and Neck Cancer

Similar survival seen for PET-CT-guided surveillance and planned neck dissection, but fewer operations.

Imaging Analysis Nearly Matches Genetic Tests in Determining Need for Chemotherapy in Breast Cancer

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A new analysis method for magnetic resonance imaging (MRI) data appears to reliably determine whether patients would need hormonal treatment only or also need chemotherapy.

Reliance on PET to Detect Lung or Esophageal Cancer Recurrence May Lead to Overuse of the Imaging Modality

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In posttreatment follow-up of lung and esophageal cancer, PET scans might be overused to detect cancer recurrence. Furthermore, PET scan use to detect recurrence does not increase survival.

Inconclusive: The Pulmonary Nodules You Need to Follow

Inconclusive: The Pulmonary Nodules You Need to Follow

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A program in a multifacility health care system is designed to enhance early detection of lung cancer through follow-up of nodules seen on thoracic imaging studies.

Early Trial Results Show Novel Injectable Enables Complete Visualization for Resection of Tumors

Early Trial Results Show Novel Injectable Enables Complete Visualization for Resection of Tumors

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A new injectable agent causes cancer cells in a tumor to fluoresce, potentially enabling surgeons to locate and remove all of a cancerous tumor on the first attempt.

Breast Cancer Detection Rate of Ultrasound and Mammography Are Comparable

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Ultrasound has comparable sensitivity in detecting breast cancer compared with mammography and should be considered when testing for the disease.

Additional Breast Cancer Tumors Found on MRI After Mammography May Be Larger, More Aggressive

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Additional breast cancers found with MRI are sometimes larger and potentially more aggressive than those found on mammography, and in some cases, may necessitate a change in treatment plan.

Novel Imaging Agent More Effectively Monitors Impact of Treatment in Lung, Prostate Cancers

Novel Imaging Agent More Effectively Monitors Impact of Treatment in Lung, Prostate Cancers

A method to better trace changes in cancers and treatment of the prostate and lung without the limitations associated with radiation has been developed.

Using MRI to Follow Magnetic Nanoparticles Predicts Effectiveness of Response to Nanotherapeutics

An FDA-approved, magnetic nanoparticle and MRI identifies tumors most likely to respond to drugs delivered via nanoparticles.

Consistency of Lung Nodules Is Predictive of Lung Cancer Risk in Men and Women

Consistency of Lung Nodules Is Predictive of Lung Cancer Risk in Men and Women

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Women with a certain type of lung nodule visible on lung cancer screening CT scans face a higher risk of lung cancer than men with similar nodules, according to a study presented at RSNA 2015.

Researchers Show That Pigeons Are Adept at Interpreting Radiologic Diagnostic Images

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With some training and selective food reinforcement, pigeons performed as well as humans in categorizing digitized slides and mammograms showing benign and malignant human breast tissue.

American College of Radiology (ACR) Releases Updated Appropriateness Criteria, Including 3 New Criteria

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American College of Radiology updated its Appropriateness Criteria for 19 topics, including 3 new criteria. These guidelines assist clinicians in the most efficacious use of radiology.

Risks in LDCT Lung Cancer Screenings Need to be Assessed Before Expanding Eligibility to Persons With Lower Smoking Histories

Risks in LDCT Lung Cancer Screenings Need to be Assessed Before Expanding Eligibility to Persons With Lower Smoking Histories

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The potential risks and harms of LDCT lung cancer screening in current 20- to 29-pack-year smokers needs to be assessed before recommending LDCT for this group.

Laser-Based Tool Could Increase Accuracy and Safety of Brain Tumor Surgery

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A new laser-based microscope technology may help surgeons see the difference between tumor tissue and normal brain tissue in real-time.

Menopausal Status is a Better Indicator Than Age for Mammography Frequency

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In a study conducted to inform American Cancer Society (ACS) breast cancer screening guidelines, a screening mammography once every 2 years was found to be safe for postmenopausal women at average risk of breast cancer.

Imaging Method Has Potential to Predict Effectiveness of Induction Chemotherapy in Patients With Head and Neck Cancer

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Researchers identified a potential new way to predict which patients with head and neck cancer will benefit most from chemotherapy.

Increased detection of low-risk tumors driving up thyroid cancer rates

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Low-risk cancers that are asymptomatic and presumably will not cause problems in the future are responsible for the rapid increase in the number of new thyroid cancer diagnoses over the past decade, according to a study.

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.

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