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在病理组织切片制片过程中，组织包埋技术是一项十分关键的工艺，不仅直接关系切片质量，且对病理诊断的准确性影响极大。组织包埋通常先将已熔化的石蜡倾入组织包埋框内，再将组织置于包埋框内的石蜡中。此种包埋法，对于较大病检组织并不困难，但对体积小、数量多的微小标本，如胃肠粘膜等活检小标本，有时就不容易包埋在同一平面上。因包埋框内石蜡不断冷却凝固，故先放入的组织位置较深，后放入的就较浅，这样制作的切片，就会出现有的组织显露不全的缺陷。近年来，为了提高制片质量，保证病理诊断的准确性，我们对微小病理组织采用了铸块烫槽石蜡包埋法。现总结如下。
Tissue embedding technique is a very critical process in the process of histological sectioning, which not only directly relates to sectioning quality, but also greatly affects the accuracy of pathological diagnosis. Tissue embedding Usually melted paraffin is first poured into the tissue embedding frame, and then the tissue is placed in paraffin embedded in the frame. Such embedding method is not difficult for larger diseased tissue, but small, large number of small specimens, such as small biopsies such as gastrointestinal mucosa, and sometimes not easy to embed in the same plane. As the paraffin embedded in the box is continuously cooled and solidified, the tissue that has been put in for a long time is placed in a deeper position and then put into a shallower one. In this way, there is a defect that some tissues are incompletely exposed. In recent years, in order to improve the quality of production, to ensure the accuracy of pathological diagnosis, we used a micro-pathological tissue ingots hot block paraffin embedding method. Now summarized as follows.