免疫组织化学为外科病理日常工作中的重要工具，因为病理诊断所依据的形态标准有时很不明确，对其认识和掌握程度常带有主观性，以致造成诊断意见分歧。鉴别的要求越精细，主观成份越重，如对淋巴瘤的分型，未分化癌的诊断，异型增生的分级等。免疫组化技术能提高鉴别诊断的客 Immunohistochemistry is an important tool in the daily work of surgical pathology, because the morphological criteria on which pathological diagnosis is based are sometimes unclear, and the degree of knowledge and mastery of it often has a subjective nature, resulting in divergent opinion of diagnosis. The more refined the requirements for identification, the heavier the subjective components, such as the classification of lymphoma, the diagnosis of undifferentiated cancer, and the classification of dysplasia. Immunohistochemistry can improve the differential diagnosis