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High-Grade Mucoepidermoid Carcinoma Ex Metastasizing Pleomorphic Adenomas in the Parotid Gland and Parapharyngeal Space: a Case Report and Literature Review

Lee EJ, Lee HY, Choi SJ, Lim MK, Kang YH

Pleomorphic adenoma is the most common benign neoplasm of the salivary glands. Its three malignant variants include carcinoma ex pleomorphic adenoma, carcinosarcoma, and metastasizing pleomorphic adenoma. Among the subtypes of...
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Undifferentiated Pleomorphic Sarcoma of the Small Intestine with Distant Endobronchial Metastasis Presenting as Intussusception: A Case Report

Song SO, Kim MS, Lee KH, Choi SJ

Undifferentiated pleomorphic sarcoma (UPS) is a high-grade soft tissue sarcoma that arises from mesenchymal tissue. Primary UPS of the small intestine is extremely rare, and only a few cases have...
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Comparison of Sleep Duration, Social Jetlag, and Subjective Sleep Disturbance in Rotating Shift Nurses According to the Chronotype

Choi SJ, Joo EY, Kim KS

Purpose: The purpose of this study was to investigate the sleep duration, social jetlag (SJL), and subjective sleep disturbance according to the individual chronotype in rotating shift nurses. Methods: A...
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Pediatric Sedation in the Emergency Department: Trends from a Nationwide Population-based Study in Korea, 2007–2018

Lee JY, Choi SJ, Park JS, Lee JS, Ryu JM, Yum MS

Background: Pediatric sedation in the emergency department (ED) is widely performed in Korea; thus exploring the trends of its use is necessary. This study aimed to investigate the characteristics of...
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Comparison of CT Volumetry and RECIST to Predict the Treatment Response and Overall Survival in Gastric Cancer Liver Metastases

Yu SH, Choi SJ, Noh H, Lee Is, Park SH, Kim SJ

Purpose The aim of this study was to compare the diameter and volume of liver metastases on CT images in relation to overall survival and tumor response in patients with...
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Recent Epidemiological Changes in Group B Streptococcus Among Pregnant Korean Women

Choi SJ, Kang J, Uh Y

Background: Although group B Streptococcus (GBS) colonization rate among pregnant Korean women is lower than that among women from many Western countries, recent data show an upward trend. We investigated...
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Association of Microbial Dysbiosis with Gallbladder Diseases Identified by Bile Microbiome Profiling

Choi SJ, Kim Y, Jeon J, Gwak HJ, Kim M, Kang K, Kim Y, Jeong J, Jung YK, Lee KG, Choi HS, Jung DH, Lee SG, Lee Y, Shin SJ, Jang K, Rho M, Choi D

Background: Cholecystitis is an important risk factor for gallbladder cancer, but the bile microbiome and its association with gallbladder disease has not been investigated fully. We aimed to analyze the bile...
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Diagnostic Approach to the Suspected Cases of Hereditary Spastic Paraplegia

Choi SJ, Sung JJ

Hereditary spastic paraplegia (HSP) is a heterogeneous group of monogenic neurodegenerative disorders characterized by progressive spasticity of the lower limbs. The clinical features and imaging abnormalities vary greatly according to...
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Experience of Healthcare Providers in the Advanced Practice Nurse System

Kim MY, Jeon MK, Choi SJ, Kim JH, Kim H, Leem CS

Purpose : The purpose of this study was to understand and describe the experiences of the advanced nurse practitioner (APN) system used by healthcare providers including APNs, doctors who worked...
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Mesenchymal Stem Cells Derived from Wharton’s Jelly Can Differentiate into Schwann Cell-Like Cells and Promote Peripheral Nerve Regeneration in Acellular Nerve Grafts

Choi SJ, Park SY, Shin YH, Heo SH, Kim KH, Lee HI, Kim JK

BACKGROUND: Schwann cells (SCs) secrete neurotrophic factors and provide structural support and guidance during axonal regeneration. However, nearby nerves may be damaged to obtain primary SCs, and there is a...
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Effects of Organic Light-Emitting Diodes on Circadian Rhythm and Sleep

Jo H, Park HR, Choi SJ, Lee SY, Kim SJ, Joo EY

Objective Organic light-emitting diodes (OLEDs) emit less blue light than traditional light-emitting diodes (LEDs), and we previously found that early-night OLED light exposure (LE) delays the melatonin phase by less...
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Effect of Light Emitted by Smartphones at Bedtime on Circadian Rhythm and Sleep: Is It Different between Day Worker and Shift Worker?

Kim D, Jo H, Choi SJ, Joo EY

Objectives: Light at night (LAN) can suppress melatonin secretion and thus disturb normal sleep. The aim of this study was to investigate how the illumination of a smartphone at bedtime...
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Fatal Encephalopathy Caused by a Urea Cycle Disorder

Park SH, Lee JH, Choi SJ, Kim HS, Kim NH

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Summary of clinically diagnosed amniotic fluid embolism cases in Korea and disagreement with 4 criteria proposed for research purpose

Kim Jh, Seol HJ, Seong WJ, Ryu HM, Bae JG, Hong JS, Yang JI, Sung JH, Choi SJ, Oh Sy, Roh CR

Objective This study aimed 1) to investigate the clinical characteristics of amniotic fluid embolism (AFE) cases clinically diagnosed by maternal fetal medicine (MFM) specialists in Korea, 2) to check the disagreement...
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Emergency medicine residents’ needs assessment for education and training using nationwide survey

Gwon TH, Park KH, Key D, Kim IB, Kim HJ, Park SY, Seo BS, Yoon YS, Lee ES, Lee HM, Cho KH, Choi SJ

  • KMID: 2513381
  • J Korean Soc Emerg Med.
  • 2021 Feb;32(1):61-68.
Objective: This study was conducted to identify the needs assessment for education and training of emergency medicine (EM) residents. Methods: The results of a national survey of EM residents of the...
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Biologic therapies for the treatment of rheumatoid arthritis

Choi SJ

Rheumatoid arthritis (RA) is a chronic autoimmune disease that primarily affects the synovial joints. If left untreated, persistent synovial inflammation can lead to cartilage and bone destruction, ultimately causing significant...
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Validation of a Strict Obesity Definition Proposed for Asians to Predict Adverse Pregnancy Outcomes in Korean Pregnant Women

Kim SY, Oh Sy, Sung JH, Choi SJ, Roh CR, Lee SM, Jun JK, Lee MY, Lee J, Kim SH, Cha DH, Han YJ, Kim MH, Cho GJ, Kwon HS, Kim BJ, Park MH, Cho HY, Ko HS, Shim JY, Ryu HM

Background: People are generally considered overweight and obese if their body mass index (BMI) is above 25 kg/m 2 and 30.0 kg/m 2 , respectively. The World Health Organization proposed...
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KOBIO, the First Web-based Korean Biologics Registry Operated With a Unified Platform Among Distinct Disease Entities

Kim J, Koh JH, Choi SJ, Jeon CH, Kwok SK, Kim SK, Choi CB, Lee J, Lee C, Nam EJ, Park YB, Lee SS, Kim TH, Park SH, Choe JY, Koh EM, Yoo DH, Song YW, Kim HA, Shin K

The KOrean College of Rheumatology BIOlogics and targeted therapy (KOBIO) registry is a nationwide observational cohort that captures detailed data on exposure of patients to biologic and targeted synthetic disease-modifying...
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CT Follow-Up of Postoperative Bronchopleural Fistula: Risk Factors for Progression to Chronic Complicated Infection

Han JY, Lee KN, Yoon YS, Lee J, Lee H, Choi SJ, Choo HJ, Baek JW, Heo YJ, Shin GW, Park J, Kim D

Purpose: We evaluated the risk factors for progression to chronic complicated bronchopleural fistula (BPF) after pulmonary resection using follow-up CT. Materials and Methods: We retrospectively reviewed 45 cases with BPF that...
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Treatment Response to Idiopathic Retroperitoneal Fibrosis-associated Hydronephrosis With a Focus on IgG4/IgG3 Serum Concentration Ratio

Choi SJ, Oh JS, Hong S, Lee CK, Yoo B, Hong B, Kim YG

Objective. Hydronephrosis, a common complication of idiopathic retroperitoneal fibrosis (iRPF), may lead to poor renal outcomes unless resolved in a timely manner. IgG4-related diseases characterized by elevated serum IgG4 levels...
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