,PROCEDURE DETAILS:,  The patient's head was positioned on some towels, the retroauricular region was shaved, and the forehead and the posterolateral periauricular regions were prepped with Betadine. 
,PROCEDURE DETAILS : , The patient 's head was positioned on some towels , the retroauricular region was shaved , and the forehead and the posterolateral periauricular regions were prepped with Betadine .