Rahsan Gocmen1, Ezgi Guler2. 1. From the Department of Radiology (R.G.), Faculty of Medicine, Hacettepe University, Ankara; and the Department of Radiology (E.G.), Rize State Hospital, Turkey. 2. From the Department of Radiology (R.G.), Faculty of Medicine, Hacettepe University, Ankara; and the Department of Radiology (E.G.), Rize State Hospital, Turkey. gulerezgi@yahoo.com.