Person: DERİCİOĞLU, VOLKAN
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DERİCİOĞLU
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VOLKAN
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Publication Open Access Juvenile Xanthogranuloma Presented with Buphthalmos and Corneal Clouding in Neonatal Period: A Case Report(2022-05-01) DERİCİOĞLU, VOLKAN; SEVİK, MEHMET ORKUN; ERASLAN, MUHSİN; DERİCİOĞLU V., SEVİK M. O. , ERASLAN M., Dirican B., Yücelten D., Cinel L.Aim: To report an ocular juvenile xanthogranuloma (JXG) case presented with buphthalmos, corneal cloudiness, and normal intraocular pressure (IOP) in the neonatal period and treated with Ahmed glaucoma valve (AGV) implantation. Background: JXG is a rare disorder predominantly seen in infants, but the neonatal presentation is extraordinary. Although spontaneous hyphema is a common presenting sign in JXG, buphthalmos and corneal opacity in the neonatal period were reported only in one case, which had high IOP values at presentation. Case presentation: Sixteen-day-old male patient presented with buphthalmos, diffuse corneal clouding, and 11 mm Hg of IOP value in the right eye. IOP increased to 28 mm Hg three weeks later, and spontaneous hyphema developed, which did not respond to antiglaucomatous medications and topical corticosteroids. AGV was implanted, and the IOP decreased to 13 mm Hg postoperatively. In the follow-ups, numerous firm yellowish nodules were noticed on the patient’s skin during the examination under general anesthesia. Histopathological examination of the skin nodules was compatible with the diagnosis of JXG. Lens subluxation and phacodonesis were developed during the follow-up and were managed with pars plana lensectomy. After a silent period of 3 months, epithelial ingrowth was determined around the side port entrance. Unfortunately, the ingrowth did not respond to cryotherapy and resulted in phthisis bulbi. Pathological evaluation of the enucleated phthisic eye revealed posterior segment involvement. Conclusion: Ocular JXG can be present with buphthalmos, corneal opacity, and normal IOP values without any skin lesions in the neonatal period. Neonatal presentation of JXG may be associated with limited medical therapy response and aggressive disease course. Clinical significance: This case report introduces the second ocular JXG case, which presented with buphthalmos and corneal cloudiness, and the third pathologically proven posterior segment involvement of JXG in the literature.Publication Metadata only Multicenter case series of standalone XEN implant vs. combination with phacoemulsification in Turkish patients(SPRINGER, 2021) ERASLAN, MUHSİN; Eraslan, Muhsin; Ozcan, Altan Atakan; Dericioglu, Volkan; Ciloglu, EminePurpose To evaluate and compare the efficacy, safety and needling timing and rates of standalone XEN implant vs. combination with phacoemulsification in Turkish patients. Methods Retrospective, multicenter study which included the data of patients, who had open angle glaucoma including primary open angle glaucoma and pseudoexfoliation glaucoma, underwent standalone XEN implantation (XEN alone) and combined surgery with phacoemulsification (XEN + Phaco) between 2016 and 2018. Results The study included 26 eyes of 24 patients in XEN alone group and 32 eyes of 30 patients in XEN + Phaco group. The mean intraocular pressure (IOP) was 23.3 +/- 6.0 mmHg and 24.4 +/- 7.4 mmHg at baseline (p = 0.838), and it reduced to 16.3 +/- 3.0 mmHg and 16.4 +/- 2.3 mmHg at 12-month follow-up (p = 0.436) in XEN alone and XEN + Phaco groups, respectively (reduction: %30 and %33, P = 0.642). The mean number of medications reduced from 2.9 + 0.7 before surgery to 0.9 + 0.9 on month 12. In XEN alone and XEN + Phaco groups, the needling rates were 42.3% and 31.2% (p = 0.491), and the mean time to needling was 3.7 +/- 3.2 months and 4.9 +/- 8.0 months (p = 0.696), respectively. Hypotonia (17.2%) and hyphema (10.3%) were the most frequent complications, respectively. In XEN alone and XEN + Phaco groups, partial success was achieved in 73.1% and 71.9% of eyes when defined as IOP < 18 mmHg with any medication, respectively (p = 0.920). Conclusion The XEN implant provides significant reduction in IOP and number of medications, either standalone or combination with phacoemulsification. Both procedures need intensive postoperative care, requiring needling in approximately one-third of patients.Publication Metadata only Choroidal varix elevates macula following Valsalva manoeuvre(BMJ PUBLISHING GROUP, 2014) ÇERMAN, EREN; Cerman, Eren; Eraslan, Muhsin; Dericioglu, Volkan; Sahin, Ozlem; Cekic, Osman; Mahmutyazicioglu, KamranPublication Open Access Effect of age on primary balloon dacryocystoplasty and probing success in congenital nasolacrimal duct obstruction(2022-11-01) ÇERMAN, EREN; SEVİK, MEHMET ORKUN; ERASLAN, MUHSİN; DERİCİOĞLU, VOLKAN; DERİCİOĞLU V., Sevik M. O., Sacu S. S., ERASLAN M., ÇERMAN E.Purpose To compare the success rates of balloon dacryocystoplasty (BDP) and probing as a primary procedure in congenital nasolacrimal duct obstruction (CNLDO) and investigate the effect of age on both procedures. Methods A total of 135 patients (171 eyes) with simple and incomplete complex CNLDO were included in this retrospective study; complete complex CNLDO cases were excluded. The success rates for primary BDP (118 eyes) and for probing (53 eyes) were compared overall and among the age groups; Group 1 (12-24 months old), Group 2 (25-36 months old), and Group 3 (> 36 months old). Results Mean age of the patients was 41.5 +/- 27.2 months for primary BDP, and 21.8 +/- 10.8 months for probing (p < 0.001). Overall success rates for primary BDP and probing were 81.1% (43/53) and 76.3% (90/118), respectively (p = 0.481). Success rates for BDP and probing among age groups were 93.8% and 85.3% in Group 1 (p = 0.360), 93.3% and 50.0% in Group 2 (p = 0.012), and 63.6% and 27.3% in Group 3 (p = 0.052), respectively. Cox regression analysis showed that the median ages were 18 months for probing and 36 months for primary BDP. The Poisson regression model showed that for every 1-month increase in patients\" age, the success rate of probing decreased by 9.7%. Conclusion Probing success decreased to a point where different treatment options such as primary BDP can be discussed with the patients\" parents after 18 months of age. The success of BDP decreased after 36 months, while it maintained a high success rate between 24 and 36 months as primary treatment.Publication Metadata only Neurodegeneration in ocular and central nervous systems: optical coherence tomography study in normal-tension glaucoma and Alzheimer disease(TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2015) ÇERMAN, EREN; Eraslan, Muhsin; Cerman, Eren; Cekic, Osman; Balci, Sevcan; Dericioglu, Volkan; Sahin, Ozlem; Suer, Devran; Chabou, Biman; Tuncer Elmaci, Emine NeseBackground/aim: To evaluate, in vivo, the optical coherence tomography (OCT) of the retinal nerve fiber layer (RNFL) and ganglion cell complex (GCC) in patients with normal-tension glaucoma (NTG) and those with Alzheimer disease (AD) in comparison with healthy subjects. Materials and methods: This cross-sectional study included 18 patients with NTG, 20 with AD, and 20 control subjects. An ophthalmologic examination and OCT scans of both eyes were performed in all patients. Results: There was a significant reduction in peripapillary RNFL thickness and macular GCC thickness and a significant increase in the global loss volume (GLV) rate in both the NTG and AD patients when compared to the control subjects (P = 0.004, P = 0.006, P < 0.001, respectively). The statistical evaluation showed no difference in any RNFL or GCC parameters between the AD and NTG groups (P > 0.05). There was a negative correlation between disease duration and average RNFL and GCC thicknesses (r = -0.350, P = 0.027 and r = -0.471, P = 0.002, respectively) and a positive correlation between duration and GLV (r = 0.427, P = 0.006) in the AD group. Conclusion: The average RNFL thickness, GCC thickness, and GLV rates may help in the diagnosis of AD as an additional examination and may provide some important clues about the duration of the disease.