How common is terson syndrome?
Epidemiology. Terson syndrome occurs in 8-19.3% of SAH, 9.1% of intracerebral hemorrhages and 3.1% of traumatic brain injury. 5.5% of vitreous hemorrhages not caused by diabetes or trauma are caused by Terson syndrome. Terson syndrome usually occurs in adults, but has been reported in children as young as 7 months.
What is Subhyaloid?
A SUBHYALOID hemorrhage is an intraocular collection of blood that remains contained in a self-created, previously nonexistent space, usually between the posterior limiting layer of the vitreous and the retina.
What is Preretinal hemorrhage?
Preretinal hemorrhage is a known complication of diabetic retinopathy. 1 Typically patients present with painless loss of vision due to the blood accumulation in the premacular area between the retina and posterior hyaloid face, or under the internal limiting membrane.
What causes terson syndrome?
Terson’s syndrome refers to the occurrence of vitreous hemorrhage with subarachnoid hemorrhage (SAH), usually due to a ruptured cerebral aneurysm. Although it is a well-described entity in the ophthalmological literature, it has been only rarely commented upon in the neurosurgical discussion of SAH.
What is retinitis Proliferans?
The extension of new blood vessels and fibrous tissue following bleeding into the VITREOUS body from the RETINA in diabetic RETINOPATHY. This tends to lead to RETINAL DETACHMENT and blinding of the eye.
What is Tractional retinal detachment?
Retinal traction detachment (RTD) or tractional retinal detachment (TRD) is defined as the separation of the neurosensory retina from the retinal pigment epithelium (RPE) due to the traction caused by proliferative membranes present over the retinal surface or vitreous.
What is Preretinal fibrosis?
Pre-retinal fibrosis is an ocular condition that affects the retina. Pre-retinal Fibrosis is also known as “cellophane maculopathy”, “epi-retinal membrane” or “macular pucker”. This is a condition in which an extremely thin membrane of scar-like tissue covers the surface of the macula.
What is Microaneurysms of the eye?
Microaneurysms are tiny outpouchings of blood that protrude from an artery or vein. When they occur in the eye, they are known as retinal microaneurysms. If these protrusions open, they leak blood into the tissues of the retina.