Also found in: Medical, Wikipedia.


Formed like or resembling a cyst.
A cystoid structure.


(Anatomy) resembling a cyst or bladder
(Anatomy) a tissue mass, such as a tumour, that resembles a cyst but lacks an outer membrane


(ˈsɪs tɔɪd)

1. resembling a cyst.
2. a cystlike structure.
References in periodicals archive ?
Post-operative uveitis, cystoid macular oedema, relevant retinal fluid, retinal detachment and endophthalmitis were not reported in this cohort.
Epithelial ingrowth, secondary glaucoma, and cystoid macular oedema are also possible findings in a DSEK patient.
The results were also similar to the Lang et al study (1992), which showed that cystoid macular oedema was present in 46.
2) observed that more than one-half of the patients, despite receiving prompt and adequate immunomodulatory treatment, developed chronic disease, and in some cases, blindness occurred due to cataracts, glaucoma, cystoid macular edema, choroidal neovascularization.
7% for PVD, and 39% for ERM in patients with uveitic cystoid macular edema.
They describe the pathophysiological basis of macular edema, different approaches of drug delivery to the posterior segment, and recommendations for treatment procedures or different therapies, discussing the definition and basic concepts of macular edema, mechanisms of retinal fluid accumulation and blood-retinal barrier breakdown, intracellular edema, central serous chorioetinopathy, diagnosis and detection, the rationale for therapy, diabetic macular edema, retinal vein occlusions, the pathophysiology of inflammatory macular edema, postsurgical cystoid macular edema, retinitis pigmentosa and other dystrophies, macular edema of choroidal origin, and other causes of macular edema.
Response to treatment and clinical presentation may vary significantly, with some patients presenting one episode of mild inflammation, whereas others have multiple recurrences of severe uveitis that include persistent vitreous opacities, epiretinal membrane, and cystoid macular edema leading to loss of eyesight.
Structural changes of DME are characterized by the accumulation of liquid and hard exudates in the outer plexiform and inner nuclear layers of the macula and formation of fluid-filled cystoid spaces.
0%), hypertension (>140/90), significant lenticular changes, traction, advanced diabetic retinopathy, cystoid macular edema (CMO) and subretinal serous elevation were also excluded from the study.
5 to 4 times less likely to develop cystoid macular edema - - cyst-like pockets of fluid in the macula of the eye.
Cases were evaluated preoperatively and at postoperative Days 1, 14-21, and 90 for visual acuity, intraocular pressure (IOP), and presence of endophthalmitis, inflammation and cystoid macular edema (CME).
GlobalData's clinical trial report, "Cystoid Macular Edema Global Clinical Trials Review, H1, 2016" provides an overview of Cystoid Macular Edema clinical trials scenario.