AIM: To explore the changes of epidermal growth factor (EGF) and epidermal growth factor receptor (EGFR) expressions in cryptorchid children and their clinical significance. METHODS: The level of serum EGF was measure...AIM: To explore the changes of epidermal growth factor (EGF) and epidermal growth factor receptor (EGFR) expressions in cryptorchid children and their clinical significance. METHODS: The level of serum EGF was measured by radioimmunoassay (RIA) and the expression of EGFR by immunohistochemistry. RESULTS: (1) The level of serum EGF was significantly lower in cryptorchid children than in normal subjects at age group of 5-9 years (P展开更多
文摘AIM: To explore the changes of epidermal growth factor (EGF) and epidermal growth factor receptor (EGFR) expressions in cryptorchid children and their clinical significance. METHODS: The level of serum EGF was measured by radioimmunoassay (RIA) and the expression of EGFR by immunohistochemistry. RESULTS: (1) The level of serum EGF was significantly lower in cryptorchid children than in normal subjects at age group of 5-9 years (P
