Fig. 13From: Mature cystic teratoma of the ovary: a cutting edge overview on imaging featuresAxial CT image of an 18-year-old female with mature cystic teratoma (MCT) (a) shows two rounded floating balls in the interface of the fat-fluid level. The bigger one has a low density core and a low density outer shell. In another case with MCT (b), floating balls have relatively high density coresBack to article page