[KongchangAI]
Unverified85% confidenceCautionTime unknown

福尔马林固定的样本禁止冷冻保存,冷冻会形成冰晶破坏组织形态学结构导致镜下无法判读;需冷冻切片或冻存的样本应用OCT包埋剂或直接液氮速冻,不加固定液

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