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عمومی::
خونریزی پشت کره چشم
This includes intraocular or periorbital foreign bodies, globe rupture, hyphema, lens dislocation, lens subluxation, retinal detachment (RD), retinal hemorrhage (RH), vitreous detachment, vitreous hemor- rhage (VH), choroidal detachment, papilledema, in- creased intracranial pressure (ICP), neoplasms, and vascular pathologies.
Along with the term 'ultra- sound', the following search terms were used: lens dislocation, globe rupture, RH, VH, RD, vitreous detachment, ocular infection, optic nerve, ocular vascu- lature, retrobulbar hematoma, and ocular foreign body.
A large RH is easily diagnosed by US, when hyperechoic material is seen beneath an RD or under the retina.
(c) retrobulbar hematoma (black arrow); (d) 'doughnut sign' (white arrow) of edematous optic nerve visualized in transverse plane.
Retrobulbar hematoma or orbital emphysema
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