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    Bilateral Papillophlebitis in a Patient with Mutation of Metilenetetrahydrofolate Reductase Enzyme
    (TURKISH OPHTHALMOLOGICAL SOC, 2016) Guzel, Huseyin; Ozturk, Banu Turgut; Gedik, Sansal; Bakbak, Berker; Beyoglu, Abdullah; Kocak, Nadir
    Papillophlebitis is known as central retinal vein occlusion seen in young patients. It usually presents as unilateral optic disc edema with cotton wool spots and hemorrhage in the peripapillary region. As it may be due to many autoimmune and inflammatory causes, a thorough systemic evaluation of the patient is warranted. In this case report we describe a bilateral, simultaneous papillophlebitis case thought to be related to hyperhomocysteinemia secondary to C677T polymorphism of methylenetetrahyrofolate reductase enzyme.
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    Corneal specular microscopy findings in Behcet's disease
    (ASSOC RESEARCH VISION OPHTHALMOLOGY INC, 2014) Ozturk, Banu Turgut; Bozkurt, Banu; Beyoglu, Abdullah; Gonul, Saban; Okudan, Suleyman
    [Abstract not Available]
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    Quantitative analysis of retinal microcirculation in optical coherence tomography angiography in cases with Behcet's disease without ocular involvement
    (SPRINGER, 2019) Comez, Aysegul; Beyoglu, Abdullah; Karakucuk, Yalcin
    PurposeTo evaluate the retinal vascular plexus and choriocapillaris structures in patients with non-ocular Behcet's disease (BD) using optical coherence tomography angiography (OCTA).MethodsThe study included 42 eyes of non-ocular BD patients (study group) and 40 eyes of 20 healthy subjects (control group). Flow area (mm(2)), mean vascular density (VD) (%) and foveal avascular zone (FAZ) (mm(2)) were measured using OCTA (Optovue Inc., Fremont, CA, USA). Subfoveal choroidal thickness (CT) (mu m) and central macular thickness (CMT) (mu m) measurements were also performed.ResultsThe mean superficial capillary plexus, deep capillary plexus and choriocapillaris flow area values were found to be significantly lower in the study group than in the control group (p<0.001, p<0.001, p=0.008, respectively). In respect of mean VD, a statistically significant difference was determined between the study and control groups in both superficial and deep VD (p<0.001). No statistically significant difference was found out between the groups in respect of superficial FAZ, deep FAZ and CMT (p=0.165, p=0.477, p=0.457, respectively). The subfoveal CT was also measured to be significantly thicker in the study group than in the control group (p<0.001).ConclusionThe results obtained with OCTA revealed that there could be both retinal and choroidal involvement in non-ocular BD patients before the emergence of evident clinical findings.