Browsing by Author "Demircan, Yuhanize Tas"

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The Effect of Covid-19 on Development of Hair and Nail Disorders: a Turkish Multicenter, Controlled Study
(Wiley, 2023) Kutlu, Omer; Demircan, Yuhanize Tas; Yildiz, Kenan; Kalkan, Goknur; Demirseren, Duriye Deniz; An, Isa; Karadag, Ayse Serap
Background A broad spectrum of skin diseases, including hair and nails, can be directly or indirectly triggered by COVID-19. It is aimed to examine the type and frequency of hair and nail disorders after COVID-19 infection. Methods This is a multicenter study conducted on consecutive 2171 post-COVID-19 patients. Patients who developed hair and nail disorders and did not develop hair and nail disorders were recruited as subject and control groups. The type and frequency of hair and nail disorders were examined. Results The rate of the previous admission in hospital due to COVID-19 was statistically significantly more common in patients who developed hair loss after getting infected with COVID-19 (P < 0.001). Telogen effluvium (85%) was the most common hair loss type followed by worsening of androgenetic alopecia (7%) after COVID-19 infection. The mean stress scores during and after getting infected with COVID-19 were 6.88 +/- 2.77 and 3.64 +/- 3.04, respectively, in the hair loss group and were 5.77 +/- 3.18 and 2.81 +/- 2.84, respectively, in the control group (P < 0.001, P < 0.001). The frequency of recurrent COVID-19 was statistically significantly higher in men with severe androgenetic alopecia (Grades 4-7 HNS) (P = 0.012; Odds ratio: 2.931 [1.222-7.027]). The most common nail disorders were leukonychia, onycholysis, Beau's lines, onychomadesis, and onychoschisis, respectively. The symptoms of COVID-19 were statistically significantly more common in patients having nail disorders after getting infected with COVID-19 when compared to the control group (P < 0.05). Conclusion The development of both nail and hair disorders after COVID-19 seems to be related to a history of severe COVID-19.
Evaluation of Ocular Findings in Patients With Vitiligo
(Wiley, 2016) Karadag, Remzi; Esmer, Oktay; Karadag, Ayse S.; Bilgili, Serap Gunes; Cakici, Ozgur; Demircan, Yuhanize Tas; Bayramlar, Huseyin
In this study, we aimed to investigate ocular manifestations in patients with vitiligo. Sixty-one patients with vitiligo were included in the study. From the patients who referred for examination to the dermatology and ophthalmology clinic, 57 patients without any systemic disease were taken as the control group. In both groups, otorefractometry, keratometry, visual acuity test, intraocular pressure measurement, anterior segment, and fundus examinations of the eye with slit lamp, Schirmer test, and perimetry were carried out. The mean age was 24.54 +/- 11.90years and 23.03 +/- 8.72years in the patients and control group, respectively. The mean Schirmer test results were as follows: 16.74 +/- 9.11mm and 17.64 +/- 9.41mm for the right and left eyes of the patients, and 21.96 +/- 12.51mm and 23.42 +/- 12.51mm for the right and left eyes of controls, respectively. Of the patients, 36 eyes showed lenticular findings. However, only 12 eyes of the controls have some lenticular findings. Twenty-nine eyes in the vitiligo group and four in the controls showed some fundus findings. When the two groups were compared with each other, there was a statistically significant difference between them in terms of Schirmer test results, lens, and fundus findings (P<0.05 for all). However, there was no significant difference in terms of age, gender, visual acuity, refraction, keratometry, intraocular pressure, perimetry, and corneal findings (P>0.05 for all). Patients with vitiligo may have more lenticular and retinal findings than normal. They can be more prone to dry eye syndrome as well.
Giant Molluscum Contagiosum in an Immunocompetent Child
(Pakistan Medical Assoc, 2013) Karadag, Ayse Serap; Karadag, Remzi; Bilgili, Serap Gunes; Calka, Omer; Demircan, Yuhanize Tas
Molluscum contagiosum is a skin disorder caused by DNA poxvirus and frequently seen in children. It is self-limited in immunocompetent hosts. It can present as numerous, treatment-resistant, atypical lesions in immunosuppressive patients and resistant to treatment. Atypical forms can rarely be seen in immunocompetent patients. A case of a two-year-old child with umbilicated papules on the eyelid is presented here. Laboratory investigations were unremarkable for systemic diseases, and surgical excision was successfully performed.
Ocular Findings in Patients With Alopecia Areata
(Wiley, 2016) Esmer, Oktay; Karadag, Remzi; Cakici, Ozgur; Bilgili, Serap Gunes; Demircan, Yuhanize Tas; Bayramlar, Huseyin; Karadag, Ayse S.
Objectives This study investigated ocular findings in patients with alopecia. Methods A total of 42 patients with alopecia (31 male, 11 female; 84 eyes) and 45 healthy individuals (28 male, 17 female; 90 eyes) were enrolled in the study. Of the patients with alopecia, 34 had alopecia areata, seven had alopecia universalis, and one had ophiasis alopecia. Seven patients had eyebrow involvement and seven had eyelash involvement. Autorefractometry, keratometry, visual acuity, central corneal thickness and intraocular pressure (IOP) measurements, bilateral anterior and posterior segment examinations, Schirmer's tests, and visual field examinations were performed in both groups. Results The mean +/- standard deviation age of the subjects was 25.21 +/- 10.88 years in the alopecia group and 28.24 +/- 9.31 years in the control group. Lens abnormalities were observed in 35 eyes in the alopecia group and in 11 eyes in the control group (P < 0.05). Posterior segment abnormalities were seen in 29 eyes in the alopecia group and four eyes in the control group (P < 0.05). There were no statistically significant differences in age, sex, visual acuity, refractive error, keratometric findings, IOP, central corneal thickness, perimetry, or Schirmer's test results between the alopecia and control groups (P > 0.05). Conclusions Patients with alopecia may have more lenticular and retinal findings than normal individuals, but those findings do not interfere with visual acuity. Close surveillance for the early onset of cataract formation is important in patients with alopecia.
The Retrospective Evaluation of Childhood Psoriasis Clinically and Demographic Features
(Galenos Yayincilik, 2013) Karadag, Ayse Serap; Bilgili, Serap Gunes; Calka, Omer; Demircan, Yuhanize Tas
Objective: This study was aimed to define the clinical and demographic findings of psoriasis in childhood. Methods: In this retrospective study, the data from 64 children with psoriasis admitted at the our dermatology clinic between January 2007 and January 2011 were included whose data were fully. Results: Of the patients, 37 (57.8%) were boys and 27 (42.2%) were girls. Mean age of the children was 10.08 +/- 3.98 years (3-16). In 10 (15%) cases, a positive family history was detected. The most frequent localizations at onset were trunk (46.9%), scalp (28.1%), knee-elbow (10.9%) and extremities (7.9%), respectively. The most commonly seen clinical types were plaque (68.8%), guttate (20.3%), palmoplantar (9.4%), pustular (1.6%), respectively. Nine children had nail involvement. Out of all patients, 21.9% had upper respiratory tract infections and 9.4% had emotional stres. Four cases were diagnosed with depression. Of the cases, two cases were on non-steroid anti-inflammatory medication, and 4 of them were on antibiotics. Systemic treatments were given to 21.9% of the cases besides topical treatments. Conclusion: The epidemiological studies of psoriasis during childhood period for different countries have been reported. In this study, the ratio shows differences when compared to those previous studies. There are few epidemiologic studies for Turkey. We believe that further epidemiological studies including large number of patients' groups will contribute the diagnosis and treatment of the disease.