Hemorrhagic PE with with Reversed Halo Sign
32 year old male presents with acute PE and reversed halo sign indicative most likely of a hemorrhagic pulmonary infarction
Reversed Halo Sign Related to Immunotherapy for Adenoca of the Lung
87-year-old female with stage IV adenocarcinoma s/p immunotherapy
In the initial scans there are prominent lesions demonstrating the reversed halo sign likely as a result of the therapy
Subsequent imaging (2 CT scans) shows progressive resolution of the multicentric changes