在免疫组化染色过程中,常见到组织中存在各种不同类型的色素。黑色素是其中的一种,多见于眼、皮肤的黑色素细胞。在机体疾病中产生的异常黑色素,如恶性黑色素瘤,在免疫组化染色后,色素能清楚的显现出来与阳性细胞容易混淆,影响了诊断结果的判断。我们在免疫组化染色前先采用高 In immunohistochemical staining, it is common to have a variety of different types of pigments in the tissue. Melanin is one of them, more common in the eyes, skin melanocytes. Abnormal melanin produced in the body diseases, such as malignant melanoma, after immunohistochemical staining, the pigment can be clearly confused with the positive cells, affecting the judgment of the diagnosis results. We used high before immunohistochemical staining