Objective:Investigate the expression and their significance of E-cadherin and MMP-9 in cutaneous melanoma and pigmented nevus. Methods:The expression of E-cadherin and MMP-9 was detected in 48 cases of cutaneous melanoma and 20 cases of pigmented nevus by using envision immunohistochemical technique. Their correlations with metastasis and progression of cutaneous melanoma were analyzed. Results:The expression differences of the E-cadherin and MMP-9 cutaneous melanoma and pigmented nevus were significant(P <...