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在光学连贯性断层扫描中发现的卡罗蒂德腔鼻状,在皮栓塞发生之前和之后进行血管扫描

Maria Del Mar Schilt-Catafal1, Félix Pastor-Escartín2, Ana Martínez-Piñero3

  • 1Ophthalmology Department, Hospital Clínic Universitari de València, València, Spain.

Retinal cases & brief reports
|June 26, 2023
PubMed
概括

光学连贯断层扫描血管造影 (OCTA) 显示,大脑洞鼻囊患者的斑点毛细血管中血管密度增加. OCTA成功地监测了栓塞后的正常化.

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Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...