Preschooler with sickle cell disease

MRA of sickle cell disease causing near total occlusion of the left internal carotid artery
AP MRA of the neck with contrast (above) shows near total occlusion of the left internal carotid artery. AP MRA of the brain with contrast (below) shows the left internal carotid artery to be small in caliber and to have a beaded appearance. The left middle carotid artery is reconstituted throug the anterior communicating artery.

The diagnosis was sickle cell disease causing near total occlusion of the left internal carotid artery.