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Multiple low densities in the right occipital lobe (CT)

Brain CT without contrast showed multiple low densities in the right occipital lobe (red arrow). (Source: Chen Y, Zheng C, Zeng Q, Zhang F, Tu S, Wu Z. Cerebral air embolism after pigtail catheter drainage for pneumothorax: a case report and review of the literature. Front Surg 2021;8:743051. Creative Commons Attribution 4.0 International License [CC BY 4.0],