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Vitrectomy treatment of retinal detachments related to choroidal coloboma involving the disk

机译：玻璃体切除术治疗与盘状脉络膜大肠癌相关的视网膜脱离

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PURPOSE:: To evaluate the anatomical and functional outcomes of retinal detachment with choroidal coloboma involving the disk, by incising the entire intercalary membrane along the margin of the coloboma and displacing part of the macular retina to healthy retinal pigment epithelium (RPE), and then treating the entire margin of the RPE surrounding the coloboma with diode laser. METHODS:: Pars plana vitrectomy was performed in five eyes with retinal detachment resulting from choroidal coloboma involving the disk. The entire intercalary membrane along the margin of the coloboma was incised. Part of the intercalary membrane in the macular region remained, and together with the macular retina was displaced slightly to healthy RPE. Carefully titrated diode laser burns were applied in the functional border of the disk (the border of papillomacular bundle) to reduce the nerve fiber layer damage, and endolaser of three to four rows was performed along the border of the coloboma. Anatomical reattachment of the retina and visual acuity were measured. RESULTS:: At the end of 12 months after the first surgery, the rate of retinal reattachment was 100% (5 eyes), and visual acuity improved from a preoperative perception of light or hand movement to counting fingers in 2 eyes and 3 eyes retained preoperative visual acuity. CONCLUSION:: For these retinal detachment eyes with choroidal coloboma involving the disk, complete vitrectomy, incising the entire intercalary membrane along the margin of the coloboma and displacing part of the macular retina to healthy RPE, treating the entire margin of the RPE surrounding the coloboma with diode laser provides an effective treatment for this complicated type of retinal detachment with good long-term anatomical outcome.
机译：目的：评估脉络膜结肠炎累及椎间盘的视网膜脱离的解剖学和功能结局，方法是沿结肠癌边缘切开整个cal间膜并将部分黄斑视网膜移至健康的视网膜色素上皮（RPE），然后用二极管激光治疗围绕结肠癌的RPE的整个边缘。方法：在五只眼中进行了pars平板玻璃体切除术，该视网膜脱离是由累及椎间盘的脉络膜结肠炎引起的。切开沿结肠癌边缘的整个cal膜。黄斑区的部分cal膜保留下来，并与黄斑视网膜一起轻微移至健康的RPE。仔细滴定的二极管激光烧伤应用于椎间盘的功能性边界（乳头状瘤束的边界）以减少神经纤维层的损伤，并沿结肠癌的边界进行三到四行激光内镜。测量了视网膜的解剖附着和视敏度。结果：在第一次手术后的12个月末，视网膜再附着率为100％（5眼），并且视力从术前对光或手的运动感知到手指数为2眼和3眼保留了改善术前视力。结论：对于这些累及椎间盘的脉络膜大肠癌的视网膜脱离眼，需进行玻璃体切除术，沿大肠癌的边缘切开整个inter膜，将部分黄斑视网膜移至健康的RPE，治疗围绕大肠癌的RPE的整个边缘二极管激光器的应用为这种复杂类型的视网膜脱离提供了有效的治疗方法，并具有良好的长期解剖效果。

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