Shirshikov Iu K, Eliseeva E G, Perchikova O I
Vestn Oftalmol. 1991 Jul-Aug;107(4):42-6.
MARK-500 gray-scale digital processing B scanner (ATL) with a probe frequency of 7.5 MHz was employed in examinations of 112 patients with various clinically verified macular conditions. B scanorgams were normal in nearly all dry maculodystrophy cases. In manifest fibrous exudative maculodystrophies the scanograms showed local thickening (up to 2.6 mm on an average) of the inner membranes (edema), dense sites (fibrosis, lipid and protein substance deposits). Only in several Irvin-Hass' syndrome cases with manifest cystous macular edema the scanograms showed local thickening of the membranes. Local detachment of the retina in the macular area was well seen, as was premacular fibrosis. Sub- and proretinal hemorrhages, neovascular membranes, poorly manifest fibrosis within the membranes were as a rule undetectable by echography. In cases with impaired transparency of the optic media or when the pupil cannot be dilated, present-day B echo scanning may be employed to detect grave abnormalities in the macular area.
采用频率为7.5MHz的MARK - 500灰阶数字处理B型扫描仪(ATL)对112例经临床确诊患有各种黄斑疾病的患者进行检查。几乎所有干性黄斑营养不良病例的B超图像均正常。在明显的纤维渗出性黄斑营养不良中,扫描图像显示内膜局部增厚(平均可达2.6mm)(水肿)、致密部位(纤维化、脂质和蛋白质物质沉积)。仅在几例伴有明显囊样黄斑水肿的欧文 - 哈斯综合征病例中,扫描图像显示了膜的局部增厚。黄斑区视网膜局部脱离清晰可见,黄斑前纤维化也是如此。视网膜下和视网膜前出血、新生血管膜、膜内不明显的纤维化通常无法通过超声检查检测到。在视介质透明度受损或瞳孔无法散大的情况下,可采用现代B型回声扫描来检测黄斑区的严重异常。