论文部分内容阅读
目的 探讨外伤性增生性玻璃体视网膜病变 (traumaticproliferativevitreoretinopathy ,tPVR)细胞增生的特征。方法 对 10例tPVR的玻璃体切除标本进行了透射电镜观察。结果 tPVR的增生特征以成纤维细胞及胶原纤维为主。 3例标本可见吞噬细胞及色素颗粒 ,4例标本可见少数视网膜色素上皮 (RPE)细胞 ,3例可见血管组织。结论 tPVR以纤维增生为主 ;玻璃体出血可引起以巨噬细胞为主的炎症反应 ,刺激增生 ;有血管参与tPVR的增生过程。
Objective To investigate the characteristics of cell proliferation in traumaticproliferative vitreoretinopathy (tPVR). Methods Ten cases of tPVR vitrectomy specimens were observed by transmission electron microscopy. Results The proliferative characteristics of tPVR were mainly fibroblasts and collagen fibers. Three samples showed phagocytic cells and pigment granules, a small number of retinal pigment epithelium (RPE) cells were seen in 4 specimens, and vascular tissue was seen in 3 specimens. Conclusion tPVR mainly fibrosis; vitreous hemorrhage can cause macrophage-based inflammatory response to stimulate proliferation; blood vessels involved in the proliferation of tPVR process.