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ResultsMacroscopic examination showed no excrescence,thrombus formation,arm fractures and corrosion.The devices were covered with collagen fibrosis and discrete endocardial cells,apparent inflammatory infiltration in the devices and around the devices 1 month after implantation.The implants were nearly endothelialized,while the inflammatory reaction relieved gradually,with myocardial cells ingrowth at the edges of the device 3 months after implantation.The devices were completely covered with endocardium and fibrous tissue.Moreover,endothelial cells could be found on the smooth microscrew adaptor.The inflammatory reaction diminished with a few chronic inflammatory cells existing.Neovascularization and lymphatic vessels ingrowth could be observed 6 months after implantation.
结果所有封堵装置表面均没有发现赘生物、血栓形成、支架发生断裂及被腐蚀;术后1个月,封堵装置表面被胶原纤维和散在内皮细胞所覆盖,大量炎症细胞浸润,封堵装置边缘有小灶性炎症细胞浸润;术后3个月,封堵装置表面几乎被内皮细胞所覆盖,炎症细胞较1个月时明显减少,封堵装置内见纤维化,封堵装置边缘心肌细胞浸入;术后6个月,封堵装置表面完全被心内膜和纤维组织所覆盖,伞尖表面光滑并有内皮细胞上爬,炎症反应明显消散,但仍有少量慢性炎症细胞存在,装置内有新生的血管、淋巴管长入。
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The notable proliferation was not observed by eyes in the local of injection. The infiltration of inflammation cells and mild proliferation of fibrocyte around dura mater was observed by HE stained in 4 and 8 weeks after injection. Infiltration and exudation of inflammation cells was observed by HE stained in epidural nerve root. Compared with group A, no changes of group B, C and D were observed under specific stained. Proliferation of type Ⅱ collagen fibers around dura mater was seen under immunohistochemical stained in 4 and 8 weeks after injection. There is no significant demyelination changes under LFB stained. The thickness and shape of the myelin sheath in epidural nerve root was not regular under transmission electronic microscopy in 4 and 8 weeks after injection. Fibroblast was also seen there. In nerve endometrium, macrophage could be seen under TEM, myelinated nerve fiber changed significantly, but nonmyelinated nerve fiber changed mildly. When 8 weeks, the changes of group D is smaller than the group B and C.
给药局部肉眼观察未见明显的纤维组织增生;HE染色可见B、C、D三组给药后四周及八周时硬膜内外均有炎细胞浸润,纤维细胞轻度增生,硬膜外神经根内有炎细胞浸润及炎性渗出;特殊染色B、C、D三组同A组相比未见有脊髓及神经根的改变;免疫组化染色,给药后四周及八周时,硬膜内外均有Ⅱ型胶原纤维增生;固兰染色B、C、D三组未见有明显脱髓鞘改变,与A组相比无明显异常改变;电镜观察B、C、D三组在给药后的四周及八周时,表现为硬膜外神经根内髓鞘厚薄不一,形状不规则,可见成纤维细胞,神经内膜中可见有巨噬细胞;粗大的有髓神经纤维变化明显,无髓神经纤维受累较轻;八周时电镜下D组改变较B、C两组为轻。
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Results Compared to those before treatment the volume of the implanted keloid of Group D began to decrease since 14 days after treatment time-dependently (all P 《 0.05), and the volumes of the other 3 groups continued to increase and peaked on days 21, 14, or 7 respectively (all P 《 0.05).Microscopy showed infiltration of a larger quantity of histiocyte in the keloid tissue, and more obvious collagen disorganization and apoptosis of fibroblasts in Group D than in the other 3 groups.The protein expression of Bcl-2 was more remarkable and the protein expression of BAX was less remarkable in Group D than iu the other 3 groups.
结果 用药前和用药后7、14、21、28、35 d,D组瘢痕疙瘩组织块体积(mm3)分别为173±5、172±5、147±5、125±6、112±7和84±9,从用药后14 d开始明显缩小(均P<0.05);而其他3组瘢痕疙瘩组织块体积均明显增大,从用约后7 d开始各时点测得的体积均明显大于D组(均P<0.05)。D组瘢痕疙瘩组织中有大量小鼠组织细胞浸润,胶原结构破坏和成纤维细胞凋亡明显重于其他3组,Bcl-2蛋门质表达明显弱于而Bax蛋白质表达明显强于其他3组。
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Pathologically, it showed palisaded granulomas containing degenerated collagen, predominantly lymphohistiocytic infiltration with scattered eosinophils leading to dermal fibrosis.
在病理下可发现有栅栏状排列的组织球围绕著变性的胶原纤维,而浸润的发炎细胞主要由淋巴球、组织球与散在性的嗜伊红球至后续的真皮层纤维化。
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Antibodies against col Ⅲ reacted strongly in the entire pterygial stroma. Conclusions Components of ECM are changed in the pterygium: the sub-epithelial connective tissues and vessels are more prominent in the pterygia than in normal conjunctiva tissues, and abnormal fibers are visible only in the deeper subepithelial connective tissues. This study documents the overexpression of LN and col Ⅲ. They may play roles in cellular adherency, migration and angiogenesis. Also this study documents the overexpression of MMP3 which may degrade ECM in the pathogenesis of the pterygium.
结论翼状胬肉组织中ECM的成分较正常球结膜发生改变,有大量的弹性纤维变性、胶原纤维增生及新生血管形成;col Ⅲ在翼状胬肉组织中表达增加,LN及胶原纤维可能对翼状胬肉中血管形成、细胞粘附和迁移及ECM重建起作用;MMP-3在翼状胬肉组织中表达增加,其对ECM成分的降解作用可能有助于翼状胬肉的形成和向角膜中央侵袭。
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There were more fibroblasts, the collagen increased in model control group. After 30 days, the fibroblasts of model control group were hyperemic, scattered red blood cells could be found, and capillaries were proliferated. Fibrous tissue arranged in rows in the acupotomology intervention group and the blockade control group.
造模后30 d模型对照组成纤维细胞增生,可见红细胞散在分布,有增生的毛细血管;针刀干预组与封闭对照组可见纤维组织排列成行;针刀干预组较其他各组胶原纤维形成减少,瘢痕面积小。
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Finally, we established rat model of PF induced by bleomycetin, and observed the interventional action of phenol total base to model. The analysis of experimental result including pathematologic and tissue biochemical indicator showed phenol total base of plumula nelumbinis have some therapeutic action to rat model of PF induced by BLM.
通过病理学观测及组织生化指标的检测(SOD、MAD、GSH一PX、Hyp),说明莲子心酚性总碱对博莱霉素致大鼠肺纤维化有一定治疗作用,可能的作用机制:降低肺纤维时胶原含量;抑制肺成纤维细胞的增殖;抗自由基和抗脂质过氧化作用及提高了机体内GSH一Px含量。
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P<0.01. 28d, q=4. 0452, p<0.05 . Corresponding pathologic result shows that the corneal stromal of height edema increase thickness to have infiltration of inflammation cells with hyperplasia of fibroblast cell and large vessel. The collagen fiber in stromatic layer is dissolved and destroyed seriously, suggesting that in addition to HSV-1's direct destructuring effect, inflammatory cells that might play an important role in the pathology of HSK induce the immune-pathological reaction.
相应的组织病理学研究结果显示(UV-B 14天):病毒对照组角膜基质层高度水肿、增厚,并有大量中性粒细胞等炎性细胞浸润、成纤维细胞和新生血管增生,胶原纤维肿胀、分解等,说明除HSV-1对角膜组织直接破坏外,炎性细胞介导的免疫病理反应在复发性HSK发病机理是重要的因素。
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They were composed of wavy and tendinous collagen fiber fascicles, among which a small amount of loose tissue was found to be intermingled with vessels.
桡舟韧带、桡舟头韧带和桡月韧带的组织结构相似,由肌腱样的胶原纤维束组成,胶原纤维束之间有少量的疏松组织,其间有血管分布,胶原纤维束呈小的波浪状。
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Results 1、 Generally, we can see the original blue and white, shiny, no cracks in the articular surface of the cartilage after the stress increases gradually yellow, surface roughness, cracks appear; when the pressure decreases, the yellowing, rough, the color of the fracture restore gradually and become shiny.2、the shiny smooth surface can be seen under a light microscope, formation, cell distribution, tidy, clear the level of cartilage at the articular surface stress increases, the surface roughness changes, defects, disordered cells, uneven dyeing ; when the articular surface of the pressure gradually decreased, the cartilage gradually repair and the surface of cells at the surface appear only disorder.3、immunohistochemical observation can be seen throughout the observation period, cartilage cells are type Ⅱ collagen expression and expression after 3 weeks gradually weakening, when the seventh week begin to strong gradually.4、 electron microscopy shows that when stress increases the articular surface, the cartilage cells became flat, the cytoplasm in the endoplasmic reticulum, Golgi apparatus decreased with collagen disorders; and when stress decreases the articular surface, cartilage cells gradually returned normal, cytoplasm in the endoplasmic reticulum, Golgi body gradually restore quantity; collagen fibers with a gradual rules.
结果:①大体观察可见到原本蓝白色、有光泽、无裂纹的软骨在关节面压力增大后,逐渐呈灰黄色,表面粗糙,出现裂隙;当压力逐渐减小后,变黄、粗糙、有裂隙的软骨颜色逐渐恢复,变得有光泽②光镜下可见表面光滑、平整,细胞分布均匀、整齐,层次清楚的软骨在关节面压力增大后,表面变粗糙、缺损,细胞排列紊乱、染色不均;当关节面压力逐渐减小后,软骨表面逐渐修复,细胞仅在表层排列紊乱③免疫组织化学观察可见整个观察期内软骨细胞胞浆内均有Ⅱ型胶原表达,术后3周内表达逐渐变弱,从第7周时开始逐渐变强。④电镜下可见当关节面压力增大后,软骨细胞逐渐变扁,胞质中内质网膜、高尔基体减少,胶原排列紊乱;当关节面压力减小,软骨细胞形态逐渐恢复正常,胞质中内质网膜、高尔基体数量逐渐恢复;胶原纤维排列逐渐有规则。
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borderline:边缘
局部侵袭能力很强,Dahlin称其为"边缘"(borderline)型肿瘤. 骨韧带样纤维瘤来源于纤维组织. 大体标本呈白色或灰白色,坚韧有弹性如硬橡皮样,瘤内一般无钙化或骨化组织,但偶有囊性软化区域. 镜下特点为丰富的胶原纤维束,
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infertile cyst:不育囊
有的母囊无原头蚴、生发囊等,称为不育囊(infertile cyst). 和宿主不同,直径可由不足1cm至数10cm. 棘球蚴为单房性囊,由囊壁和囊内含物(生发囊、原头蚴、囊液等)组成. 有的还有子囊和孙囊. 囊壁外有宿主的纤维组织包绕. 囊壁分两层,
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fibrinous inflammation:纤维素性炎
2.纤维素性炎(fibrinous inflammation) 是以渗出物中含有大量纤维素为特征的渗出性炎症. 纤维素的大量渗出,提示毛细血管和小静脉损伤较重,通透性明显升高,大量纤维蛋白原渗出到血管外,在坏死组织释出的组织因子作用下,转化为纤维素,故有纤维素性炎之称.