Case 8 Answer: Fleischner sign and Knuckle sign of pulmonary embolism ie an enlarged pulmonary artery assoc with PE or pulm hypertension....
Case 8 Answer: Fleischner sign and Knuckle sign of pulmonary embolism
ie an enlarged pulmonary artery assoc with PE or pulm hypertension. “Knuckle” refers to abrupt cut-off of the pulm artery due to occlusion by clot.
ref: https://radiopaedia.org/articles/fleischner-sign-enlarged-pulmonary-artery?lang=us
