1. There were three patterns of interior configuration: unilocular (18%), multi-loculated (66%), and cluster pattern (16%).

2. Methods 24 cases of unilocular bone cysts in children were chosen and treated with injection of methylprednisolone sodium succinate into cysts.

3. The color of unilocular adipose tissue varies from white to dark yellow.

4. Figures 1, 2 . 21 - 22 weeks: unilocular, mid - line, cystic lesion.

5. Cysts are usually single and may be unilocular or multilocular.

6. Three carpellary primordia were split up in the center of the bisexualflower buds, And eventually three-carpellary Unilocular inferior ovary was formed.

7. Conclusion methylprednisolone sodium succinate has good curative effects on unilocular bone cysts in children.

8. Objective To explore the curative effects of methylprednisolone sodium succinate on unilocular bone cysts in Children.

9. Conclusion CT is of high value for the diagnosis of hepatic hydatid cyst, it is an effective method for unilocular simple cyst by CT-guided interventional therapy, which similar to surgical resection.