1. Konkuk University School of Medicine

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    1. Mentioned In 16 Articles

    2. Post-treatment prediction of optical coherence tomography using a conditional generative adversarial network in age-related macular degeneration

      Post-treatment prediction of optical coherence tomography using a conditional generative adversarial network in age-related macular degeneration
      Purpose: To develop a deep learning model to generate post-treatment optical coherence tomography (OCT) images of neovascular age-related macular degeneration (nAMD). Methods: Two hundred ninety-eight patients with nAMD were included. The conditional generative adversarial network (cGAN) was trained using 15183 augmented paired OCT B-scan images obtained from 723 scans of 241 patients at baseline and 1 month after 3 loading doses of an anti-vascular endothelial growth factor (VEGF) treatment. The ...
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    3. Association of imaging factors derived from convolutional neural network with visual outcomes in age-related macular degeneration and polypoidal choroidal vasculopathy

      Association of imaging factors derived from convolutional neural network with visual outcomes in age-related macular degeneration and polypoidal choroidal vasculopathy
      We investigated the association of visual outcome in typical neovascular age-related macular degeneration (nAMD) and polypoidal choroidal vasculopathy (PCV) with or without pachychoroid with lesion areas on optical coherence tomography (OCT) quantified by convolutional neural network (CNN) analysis. Treatment-nave 132 nAMD and 45 PCV eyes treated with ranibizumab or aflibercept for at least 12 months were retrospectively reviewed. Significant factors, including intraretinal fluid (IRF), subretinal fluid (SRF), pigment epithelial detachment ...
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    4. Author Response: Hyperreflective Intraretinal Foci as an OCT Biomarker of Retinal Inflammation in Diabetic Macular Edema

      Author Response: Hyperreflective Intraretinal Foci as an OCT Biomarker of Retinal Inflammation in Diabetic Macular Edema
      We would like to convey our gratitude to Midena et al. 1 for their thoughtful letter to the editor and their insightful comment regarding our article. 2 As shown in a previous study by Vujosevic et al., 3 the reflectivity of hyperreflective foci (HF), as aggregates of retinal microglial cells, might be lower than that of the retinal pigment epithelium (RPE) and could be similar to that of the retinal ...
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    5. Retinal Nerve Fiber Layer Thickness Measured by Spectral Domain Optical Coherence Tomography in Healthy Koreans

      Retinal Nerve Fiber Layer Thickness Measured by Spectral Domain Optical Coherence Tomography in Healthy Koreans
      Purpose To determine normal retinal nerve fiber layer (RNFL) thickness by age and to investigate the relationships of the RNFL with clinical variables using spectral domain optical coherence tomography (SD-OCT) in healthy Koreans. Methods The peripapillary RNFL thicknesses were measured around the optic disc using consecutive circular B-scans with 3.5 mm diameter and automatically calculated using a SD-OCT. Results Three hundreds fifty-two eyes of 205 healthy subjects were included ...
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    6. Automated segmentation of lesions including subretinal hyperreflective material in neovascular age-related macular degeneration

      Automated segmentation of lesions including subretinal hyperreflective material in neovascular age-related macular degeneration
      Purpose To evaluate an automated segmentation algorithm with a convolutional neural network (CNN) to quantify and detect intraretinal fluid (IRF), subretinal fluid (SRF), pigment epithelial detachment (PED), and subretinal hyperreflective material (SHRM) through analyses of spectral domain optical coherence tomography (SD-OCT) images from patients with neovascular age-related macular degeneration (nAMD). Design Reliability and validity analysis of a diagnostic tool. Methods We constructed a dataset including 930 B-scans from 93 eyes ...
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    7. Association Between Soluble CD14 in the Aqueous Humor and Hyperreflective Foci on Optical Coherence Tomography in Patients With Diabetic Macular Edema

      Association Between Soluble CD14 in the Aqueous Humor and Hyperreflective Foci on Optical Coherence Tomography in Patients With Diabetic Macular Edema
      Purpose : To investigate the associations between soluble CD14 (sCD14), a cytokine released by microglia and macrophages, and hyperreflective foci (HF) and various characteristics of spectral-domain optical coherence tomography (SD-OCT) in diabetic macular edema (DME). Methods : Sixty-nine eyes from 51 patients with DME and 28 eyes from 28 control subjects were studied. sCD14 levels in the aqueous humor (AH) were measured using ELISA before bevacizumab injection (IVB), and the associations between ...
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    8. QUANTIFICATION OF RETINAL VESSEL TORTUOSITY IN DIABETIC RETINOPATHY USING OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY

      QUANTIFICATION OF RETINAL VESSEL TORTUOSITY IN DIABETIC RETINOPATHY USING OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY
      Purpose: To investigate the association of vessel tortuosity with severity of diabetic retinopathy (DR) using optical coherence tomography angiography. Methods: We retrospectively analyzed 30 healthy eyes and 121 eyes of diabetic subjects with no DR, mild nonproliferative DR (NPDR), moderate to severe NPDR and proliferative DR (PDR). Binarized images were used to quantify the vessel tortuosity, vessel density, foveal avascular zone (FAZ) area, and FAZ acircularity. The vessels were divided ...
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    9. Foveal Microvascular Changes Based on Optical Coherence Tomography Angiography in Mild Nonproliferative Diabetic Retinopathy

      Foveal Microvascular Changes Based on Optical Coherence Tomography Angiography in Mild Nonproliferative Diabetic Retinopathy
      Purpose To investigate the microvascular change in diabetic patients with no diabetic retinopathy (DR) and mild nonproliferative DR (NPDR) using optical coherence tomography angiography (OCTA). Methods We retrospectively reviewed the medical records of 44 eyes of 22 patients with no DR and 34 eyes of 17 patients with mild NPDR. OCTA was performed on a 3 3 mm region centered in the fovea and parafoveal areas. The foveal avascular zone ...
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    10. CORRELATION OF OPTICAL COHERENCE TOMOGRAPHIC HYPERREFLECTIVE FOCI WITH VISUAL OUTCOMES IN DIFFERENT PATTERNS OF DIABETIC MACULAR EDEMA

      CORRELATION OF OPTICAL COHERENCE TOMOGRAPHIC HYPERREFLECTIVE FOCI WITH VISUAL OUTCOMES IN DIFFERENT PATTERNS OF DIABETIC MACULAR EDEMA
      Purpose: To investigate the correlation between the hyperreflective foci (HF) on spectral domain optical coherence tomography at the baseline and visual outcomes after intravitreal bevacizumab injections in different patterns of diabetic macular edema. Methods: We retrospectively reviewed the medical records of 97 eyes (80 patients) with diabetic macular edema that were treated with intravitreal bevacizumab injection. The eyes were categorized into three groups by optical coherence tomographic features: diffuse retinal ...
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    11. BASELINE SPECTRAL DOMAIN OPTICAL COHERENCE TOMOGRAPHIC HYPERREFLECTIVE FOCI AS A PREDICTOR OF VISUAL OUTCOME AND RECURRENCE FOR CENTRAL SEROUS CHORIORETINOPATHY

      BASELINE SPECTRAL DOMAIN OPTICAL COHERENCE TOMOGRAPHIC HYPERREFLECTIVE FOCI AS A PREDICTOR OF VISUAL OUTCOME AND RECURRENCE FOR CENTRAL SEROUS CHORIORETINOPATHY
      Purpose: To investigate the association between baseline retinal microstructures including hyperreflective foci (HF), shown by spectral domain optical coherence tomography, and visual outcome and recurrence after laser photocoagulation for central serous chorioretinopathy. Methods: We retrospectively reviewed 62 eyes from the medical records of 62 central serous chorioretinopathy patients. At the initial visit, baseline visual acuity, presence of photoreceptor granulation, subretinal fluid thickness, choroidal thickness at the macula, and retinal pigment ...
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    12. CORRELATION BETWEEN OPTICAL COHERENCE TOMOGRAPHIC HYPERREFLECTIVE FOCI AND VISUAL OUTCOMES AFTER ANTI-VEGF TREATMENT IN NEOVASCULAR AGE-RELATED MACULAR DEGENERATION AND POLYPOIDAL CHOROIDAL VASCULOPATHY

      CORRELATION BETWEEN OPTICAL COHERENCE TOMOGRAPHIC HYPERREFLECTIVE FOCI AND VISUAL OUTCOMES AFTER ANTI-VEGF TREATMENT IN NEOVASCULAR AGE-RELATED MACULAR DEGENERATION AND POLYPOIDAL CHOROIDAL VASCULOPATHY
      Purpose: To investigate the correlation between hyperreflective foci (HF) on spectral domain optical coherence tomography at baseline and visual outcomes after intravitreal anti-vascular endothelial growth factor injection in neovascular age-related macular degeneration (nAMD) and polypoidal choroidal vasculopathy (PCV). Methods: The authors retrospectively reviewed the medical records of 44 patients with nAMD and 44 patients with PCV. The number of HF was counted according to the location of HF on spectral ...
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    13. Comparison of the Efficacy between Time and Spectral Domain Optical Coherence Tomography for the Identification of Vitreomacular Interface

      Comparison of the Efficacy between Time and Spectral Domain Optical Coherence Tomography for the Identification of Vitreomacular Interface
      ... MD, PhD,^1 and Jun Woong Moon, MD, PhD^ ^2 ^1Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea. ^2Gongduck Seoul Eye Clinic, Seoul, Korea. ^ Address repri...
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    14. Morphologic Changes in Acute Central Serous Chorioretinopathy Using Spectral Domain Optical Coherence Tomography

      Morphologic Changes in Acute Central Serous Chorioretinopathy Using Spectral Domain Optical Coherence Tomography
      ...hool of Medicine, Seoul, Korea. ^ Corresponding Author: Hyung Chan Kim, MD, PhD. Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine, #120 Neungdong-ro, Gwangjin-gu, Seoul ...
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    15. Correlation of Fundus Autofluorescence with Spectral Domain Optical Coherence Tomography and Vision in Diabetic Macular Edema

      Correlation of Fundus Autofluorescence with Spectral Domain Optical Coherence Tomography and Vision in Diabetic Macular Edema
      ...ation Correspondence: Hyung Chan Kim, MD, PhD, Department of Ophthalmology, Konkuk University Medical Center, Konkuk University School of Medicine, #4-12 Hwayang-dong, Gwangjin-gu, Seoul, Republic of Korea, 143-729 email...
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    16. Comparison of Retinal Nerve Fiber Layer Thickness between Stratus and Spectralis OCT

      Comparison of Retinal Nerve Fiber Layer Thickness between Stratus and Spectralis OCT
      Purpose To compare the peripapillary retinal nerve fiber layer (RNFL) thickness of normal patients and those with various glaucoma diseases by time domain (Stratus) and spectral domain (Spectralis) optical coherence tomography (OCT). Methods The RNFL thickness as measured by the Stratus and Spectral OCT was compared (paired t-test). The relationship and agreement of RNFL thickness between the two OCT modalities were evaluated by Pearson correlation, Bland-Altman plot, and area under ...
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  2. About Konkuk University School of Medicine

    Konkuk University School of Medicine

    Konkuk University Medical Center was first established in May 1931 in pursuit of a true welfare state. In August 2005, the hospital was rebuilt on a lot of 17,000 square meters. This new hospital was built in respond to the rapidly changing medical environment, and to provide a top-notch medical service. As a result, Konkuk University Medical Center was reborn as an 870-bed establishment occupying a total space of 83,000 square meters, with 13 floors above the ground and 4 floors underground. In the inpatient department, there are 870 beds, including 92 beds of intensive care unit. In outpatient department, there are 31 units with 4 major specialized centers.