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目的探讨５％鱼肝油酸钠和平阳霉素对正常组织有无损害作用。方法：共４只微型猪，分别将５％鱼肝油酸钠注入每只猪的一侧上下唇组织中，平阳霉素注入另一侧上下唇，７天及１４天后各处死两只动物，常规组织学处理标本，光镜观察。结果：５％鱼肝油酸钠组表现明显的肌纤维萎缩、消失，但无组织坏死；而平阳霉素组血管外组织无明显变化，仅见血管内、外壁增厚。结论：５％鱼肝油酸钠注入正常组织中会引起组织损害；平阳霉素对血管外正常组织无明显损伤。
Objective To investigate the effects of 5% sodium morrhuate and pingyangmycin on normal tissue. METHODS: A total of 4 miniature pigs were injected with 5% sodium morrhuate into the upper and lower lip tissues on one side of each pig. Bleomycin was infused into the upper and lower lips on the other side. Two animals were sacrificed 7 days and 14 days later. Learn to deal with specimens, light microscopy. Results: 5% sodium morrhuate showed obvious muscle fiber atrophy and disappearance, but no tissue necrosis; while there was no significant change in the extravascular tissue of pingyangmycin group, only the vascular inside and outside wall thickening. Conclusion: 5% sodium morrhuate injected into normal tissue will cause tissue damage; Pingyangmycin no obvious damage to normal extravascular tissue.