History: 50 year old male with cough. This is the typical appearance of the “aortic nipple” on a chest radiograph. This opacity is caused by the left superior intercostal vein, which lies immediately adjacent to the aortic arch in this region. It is a normal finding seen in less than 5% of patients.
History: 25 year old female with no complaints.
History: Radiology resident being scanned for a physics lesson has an incidental finding. This is my brain MRI! The finding is called a fetal origin of the posterior cerebral artery, and it occurs when the embryonic form of the posterior cerebral artery fails to regress. It is a normal variant that occurs on either side … Continue reading