病例报告:脑静脉血栓形成的对比成像

Green Daniel Stephen, O’Neill Daniel, Dimigen Marion, Kaur Simren, Beran Roy G
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引用次数: 0

摘要

放射学调查造影剂供应链的中断已成为COVID-19大流行的另一个后果。已经提出了各种建议,包括减少剂量和选择替代药物,以帮助解释这种有限的可用性。本病例表明,同一患者在同一天使用不同的造影剂和相似的时间进行两次单独的计算机断层扫描(CT)静脉造影,产生不同的结果;在随后的扫描中,脑静脉血栓更加突出。虽然第一次扫描有提示血栓形成的特征,但需要重复成像以进一步表征所识别的病变。该病例例证了诊断成像应始终以详细的病史和检查为指导的观念。它还提出了一个讨论点,即是否应该制定更严格或统一的协议,以促进放射学调查的造影剂管理。重要的是,总是给予适当的剂量,以最大限度地提高诊断率。
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Case Report: Contrast Imaging in the Setting of Cerebral Venous Thrombosis
Disruption to contrast agent supply chains for radiology investigations has become an additional consequence of the COVID-19 pandemic. Various recommendations, including dose reductions and choices of alternative agents, have been made to help account for this limited availability. This case demonstrated how two separate computed tomography (CT) venograms with different contrast agents and similar timing, undertaken on the same day for the same patient, yielded different results; cerebral venous thromboses were more prominent in the subsequent scan. Although there were features suggestive of thrombosis on the first scan, repeat imaging was required to further characterize the lesions identified. The case exemplifies the notion that diagnostic imaging should always be guided by a detailed history and examination. It also raises the discussion point of whether more strict or uniform protocols should be developed to facilitate contrast administration for radiology investigations. It is important that appropriate doses are always administered to maximize diagnostic yield.
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