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MedialChoroidalCrescents_ES - Globe Detachment In any...

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Globe Detachment In any disease of the globe, potential spaces between the three main layers (sclera, uvea, and retina) may be created by the accumulation of fluid between them, resulting in detachment of different layers of the globe. According to the shape of detachment, three imaging appearances are recognized ( Table 5 ). [26] In posterior hyaloid detachment (retrohyaloid space), caused by liquefaction of the vitreous body, semilunar posterior gravitational layering of fluid is seen (fluid-fluid level). In choroidal detachment (subchoroidal space), two forms are recognized: hemorrhagic, characterized by lentiform configuration, and serous, characterized by crescent-like configuration . In retinal detachment (subretinal space), V-shaped configuration of the detached retina with its apex at the optic disc is observed. Retinal, unlike choroidal, detachment terminates peripherally at the ora serrata and has a small fluid signal that is hyperintense on T1- and hyperintense on T2-weighted sequence. Table 5 -- Detachment and appearance of different layers of the globe
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