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MR contrast patterns predict therapy response
The permeability of gadolinium and the morphology of breast cancers can reliably predict whether those tumors will benefit from neoadjuvant chemotherapy, according to a study by researchers at Duke University.
The permeability of gadolinium and the morphology of breast cancers can reliably predict whether those tumors will benefit from neoadjuvant chemotherapy, according to a study by researchers at Duke University.
The vascularity of tumors and their reaction to blood-borne contrast predict a likely response to therapy. Tumors that were closely packed with cancer cells did not effectively retain contrast and were resistant to chemotherapy, said Oana Craciunescu, Ph.D., a Duke radiation oncologist, who reported the study results at the San Antonio Breast Cancer Symposium in December.
Tumors in which the blood vessels formed a ring pattern around the center were also resistant to chemotherapy because collapsed blood vessels in the center would not carry the drug there. The best responders were homogeneous tumors in which blood vessels were evenly distributed throughout the tumor.
European Society of Breast Imaging Issues Updated Breast Cancer Screening Recommendations
April 24th 2024One of the recommendations from the European Society of Breast Imaging (EUSOBI) is annual breast MRI exams starting at 25 years of age for women deemed to be at high risk for breast cancer.
Study Reveals Benefits of Photon-Counting CT for Assessing Acute Pulmonary Embolism
April 23rd 2024In comparison to energy-integrating detector CT for the workup of suspected acute pulmonary embolism, the use of photon-counting detector CT reduced radiation dosing by 48 percent, according to newly published research.
