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A very rare clinical entity vitreous cyst. About a case

Poster Details

First Author: J.Paz Moreno-Arrones SPAIN

Co Author(s):    R. Jimenez Parras   M. Montes mollon           

Abstract Details


To describe a very rare clinical entity of vitreous cyst in a 12 years old child diagnose after a routine posterior segment examination in a patient with a history of acute symptomatic floaters.


Service of ophthalmology, principe de asturias university hospital, alcala de henares, madrid, spain


We report a case of a 12-year-old patient who complaints intermitent visual disturbances in left eye for 6 months. His visual acuity is 1 / 0.9. After three posterior bilateral segment examinations, following supine positioning, the lesion free-floated to the macular region in left eye. No other ocular pathologies were found. Ultrasonography confirmed that the lesion is cystic and freely mobile of 3,2 x 4,3 mm. Magnetic resonance imaging showed a well-defined, nodular preretinal intraocular lesion that was hypointense in both T1- and T2-weighted, non-contrast axial images. Ultrasound biomicroscopy reveled a normal ciliar body.


Free-floating idiopathic vitreous cysts are rare entities.Observation of the benign vitreous cyst was advised, due to the good visual acuity. If the cyst interferes with visual axis, management with Nd:YAG or Argon laser photocystotomy or remove it by pars plana vitrectomy has been advocated.Treatment should be individualized based on patient age, ability to cooperate in an office setting, phakic status, status of the posterior hyaloid, cyst morphology, and location. In our case, because of pigment on the anterior cyst surface, and the presence of an attached posterior hyaloid, the argon green laser was used.


A free-floating pigmented vitreous cyst can occur in eyes normal or it can be coexistent with ocular diseases like high myopia and uveal coloboma. Its location in the posterior vitreous can lead to a misdiagnosis of a choroidal melanoma. FINANCIAL DISCLOSURE?: No

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