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MR explores hippocampal abnormalities of epilepsy
Dr. Hermant Parmar and colleagues at the National Neuroscience Institute in Singapore have documented acute hippocampal damage resulting from prolonged seizure activity, using diffusion-weighted MRI and MR spectroscopy. Theirs was one of the first studies to provide noninvasive evidence of such damage in humans.
Dr. Hermant Parmar and colleagues at the National Neuroscience Institute in Singapore have documented acute hippocampal damage resulting from prolonged seizure activity, using diffusion-weighted MRI and MR spectroscopy. Theirs was one of the first studies to provide noninvasive evidence of such damage in humans.
The team reviewed data in 10 temporal lobe epilepsy patients who underwent MR imaging within 48 hours of acute seizure. DWI showed hyperintensive signal involving the hippocampi in all 10 patients. MRS showed lactate within the abnormal hippocampus in three patients. On follow-up MR during a seizure-free period, five patients demonstrated T2 prolongation and atrophy.
The researchers hope to use these techniques to investigate the pathophysiology of temporal lobe epilepsy, as well as to predict future development of hippocampal sclerosis. They reported their findings at the 2004 RSNA meeting.
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.
