基底细胞癌伴显著皮肤纤维增生1例

患者女,40岁。左下肢黑色丘疹30年。皮肤科情况:左大腿后部见一黄豆大黑色丘疹,表面粗糙,质硬,界清。丘疹中央无明显糜烂、渗出。皮肤组织病理示:表皮棘层肥厚,基底层色素增加,可见基底细胞样瘤细胞自表皮呈蕾芽状突入真皮浅层,瘤团周边细胞呈栅栏样排列,并可见收缩间隙。真皮浅层胶原纤维显著增生,排列成漩涡状、车轮状。诊断:基底细胞癌伴显著皮肤纤维增生。

Matrine inhibits proliferation of mouse skin fibroblasts induced by platelet-derived growth factor-BB

Objective:To studythe effectof matrineon proliferationof mouseskinfibroblastsinducedby platelet-derivedgrowthfactor-BB(PDGF-BB).Methods :MouseskinfibroblastswereobtainedfromnewbornI-CRmiceandpropagatedin vitro.Proliferationof cellwasanalyzedby mitochondrialreductionof tetrazoliumsalt MTT andactualcellcount.Re sults:Matrine(50to500μg/ml)causeddose-dependentreductionof serum-stimu-latedcellgrowth.Growthinhibitionwas totallyreversedafterremovalof the drug.Matrinealso inhibited PDGF-BBinducedcellgrowthdose-dependently.Conclusion:Matrineexhibitspotentanti-proliferationeffecton mouseskinfibroblast.Thiseffectappearsto be mediatedby decreaseof PDGF-inducedgrowth.Theseresultssug-gestthatmatrinemighthavepreventiveandtherapeuticimplicationin skinfibrosis.

烫伤的疤痕如何处理

前一阵子我一个朋友被沸油烫伤手臂，也不知道是没有处理好还是怎么，现在他手上有很大一块黑色的疤痕。我很急切的想知道这样的疤痕除了整容以外还有其他办法去除么?现在市场上那些去疤的精华液真的有用么?有没有可能自然地消退?不知医生可否给点建议或者介绍一些简单易行的方法。