OEX_Zhang_2008201936

8 untreated patients with mixed or deep type of IH received resection for treatment in our hospital. According to clinical features of tumors and the age of the patient, 8 cases were divided into three groups, 3 cases at proliferative stage (0-3 month, Pro Stage), 3 cases at plateau stage (4-12 month, Plat Stage ) and 2 cases at involuting stage (13 to 36 month, Inv Stage).