منابع مشابه
The multifunctional choroid.
The choroid of the eye is primarily a vascular structure supplying the outer retina. It has several unusual features: It contains large membrane-lined lacunae, which, at least in birds, function as part of the lymphatic drainage of the eye and which can change their volume dramatically, thereby changing the thickness of the choroid as much as four-fold over a few days (much less in primates). I...
متن کاملGyrate Atrophy of the Choroid and Retina: A Case Report
Introduction Gyrate atrophy of the choroid and retina is a metabolic disorder, which is inherited in an autosomal recessive pattern. Although gyrate atrophy is rare, it is concerning as it results in blindness. It is characterized by hyperornithinemia, retinal atrophy, leads to progressive myopia and tunnel vision,...
متن کاملTubercles of the choroid.
In 1948 two of us (Illingworth and Wright) reviewed the literature conceming tubercles of the choroid and described the natural history of the disease as seen in children under our care. We pointed out that the favourable response of children with miliary or meningeal tuberculosis to streptomycin treatment had for the first time made possible the study of the natural history of choroidal tuberc...
متن کاملI-45: Choroid Plexus Cyst
CPCs are a relatively common finding during the second trimester sonography. when a choroid plexus cyst is identified, the presence of structural malformation and other sonographic markers of aneuploidy should be assessed with a detailed fetal anatomic survey performed by an experienced person. if no other sonographic abnormalities are present, the CPC is considered isolated. given the consider...
متن کاملDiffuse melanoma of the choroid.
An 81-year-old woman with good vision was followed up with the diagnosis of a minimally active melanoma. This tumour was eventually found to be a diffuse melanoma with extraocular extension. Diffuse melanomas of the uvea are difficult to diagnose, have frequent and early extrascleral extension, and have a poorer prognosis than most melanomas of the uveal tract.
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ژورنال
عنوان ژورنال: Progress in Retinal and Eye Research
سال: 2010
ISSN: 1350-9462
DOI: 10.1016/j.preteyeres.2009.12.002