期刊
JOURNAL OF NEUROPATHOLOGY AND EXPERIMENTAL NEUROLOGY
卷 73, 期 8, 页码 780-788出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/NEN.0000000000000096
关键词
Cutting box; High resolution; MRI-Pathology correlations; Postmortem MRI
资金
- Intramural Research Program of the National Institute of Neurological Disorders and Stroke
- Bart McLean Fund for Neuroimmunology Research-Project Restore at Johns Hopkins University School of Medicine
Interfacing magnetic resonance imaging (MRI) with pathology is critically important for understanding the pathologic basis of MRI signal changes in vivo and for clinicopathologic correlations. Postmortem MRI is an intermediate step in this process; unfortunately, however, relating the data to standard pathologic sections, which are relatively thick and often nonparallel, is both time-consuming and insufficiently accurate. The aim of this project was to develop technology to integrate postmortem, high-resolution, whole-brain MRI into the planning and execution of pathologic analysis through precise localization of the target and coordinates of cut. Compared with standard pathologic sectioning, the use of an individualized, 3-dimensionally printed cutting box-designed based on postmortem MRI of formalin-fixed whole brains-improved the speed, quality, and accuracy of radiologic-pathologic correlations and, specifically, the histopathologic localization of imaging findings. The technology described herein is easily implemented, applicable to any brain disorder, and potentially extendable to other organs. From the point of view of the pathologist, this technique can improve localization of small or subtle abnormalities, whereas from the point of view of the radiologist, it has the potential to improve understanding of MRI signal changes observed in diseases.
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