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Original Article
Emergency Medicine
Comparison of clinical features and laboratory findings of coronavirus disease 2019 and influenza A and B infections in children: a single-center study
Meraj Siddiqui, Ayşe Gültekingil, Oğuz Bakırcı, Nihal Uslu, Esra Baskın
Clin Exp Pediatr. 2021;64(7):364-369.   Published online May 18, 2021
Question: What are the differences between coronavirus disease 2019 (COVID-19) and influenza infections in children?
Finding: Pediatric COVID-19 patients predominantly exhibited respiratory and/or gastrointestinal symptoms, neurological manifestations, olfactory/gustatory dysfunction, elevated monocytes, mildly elevated C-reactive protein, and unilateral or diffuse abnormalities on chest x-ray. Patients with underlying medical conditions had higher intensive care unit admission rates and should be followed closely.
Meaning: The clinical presentations of pediatric COVID-19 patients varied from asymptomatic/mild to severe.
Hematology and Oncology
Lymphocyte-monocyte ratio at day 14 of first cisplatin-doxorubicin chemotherapy is associated with treatment outcome of pediatric patients with localized osteosarcoma
Jun Ah Lee, Hea Lin Oh, Dong Ho Kim, Jung Sub Lim
Clin Exp Pediatr. 2019;62(2):62-67.   Published online October 1, 2018

Purpose: We aimed to determine the prognostic significance of lymphocyte counts and the lymphocytemonocyte ratio (LMR) in pediatric patients with osteosarcoma. Methods: We retrospectively reviewed the medical records of 27 pediatric patients with localized extremity osteosarcoma, treated at the Korea Cancer Center Hospital between May 2002 and March 2016. Leukocyte counts and LMR before treatment and on day 14 (LMR14) of...
TNF-α stimulated IL-8 and IL-10 expression in monocytes from patients with chronic granulomatous disease
Kyung-Sue Shin
Clin Exp Pediatr. 2008;51(10):1096-1101.   Published online October 15, 2008
Purpose : Patients with chronic granulomatous disease (CGD) have genetic mutations in a component of the NADPH oxidase enzyme that is necessary for the generation of the superoxide anion. The profound defect in innate immunity is reflected by the patients susceptibility to catalase-positive bacteria and fungi. In addition, CGD patients display signs of persistent inflammation, which is not associated only...
The Effects of Echinacea Extract on the Gene Expression of Monocytes and Monocyte-derived Dendritic Cells
Jun Eun Park, Kang Duk Choi, Sung Hwan Kim, Dae-Hyun Hahm, Jong Jin Seo
Clin Exp Pediatr. 2005;48(7):779-788.   Published online July 15, 2005
Purpose : Echinacea, a traditional plant medicine has been used as immune-stimulant. Recent studies have revealed that extract of Echinacea has immunostimulatory effects on human blood mononuclear cells. This study was designed for the purpose of screening the genes associated with immunologic effects of Echinacea on monocytes and dendritic cells using a cDNA microarray chip. Methods : CD14＋ monocyte cells...
Immunologic Alterations of Peripheral Mononuclear Cells by Intravenous Immunoglobulin in the Acute Stage of Kawasaki disease
Ji-Whan Han, Kyung-Yil Lee, Kyong-Su Lee
Clin Exp Pediatr. 1998;41(6):813-824.   Published online June 15, 1998
Purpose : High dose intravenous immunoglobulin(IVIG) therapy is effective in reducing the incidence of coronary artery aneurysm in Kawasaki disease(KD) patients, however, the precise mechanisms by which IVIG reverses the immune activation is unknown. Methods : The sera and peripheral mononuclear cells(PBMCs) were obtained from 10 KD patients in the acute stage(24 hrs before) and 24 hrs after one dose of IVIG(2g/kg) treatment. We measured...
The Risk Factor of Bacteremia in Children with Febrile Neutropenia due to Chemotherapy
Tae-Hong Kim, Young-Ho Lee
Clin Exp Pediatr. 1998;41(5):677-683.   Published online May 15, 1998
Purpose : We evaluated the easily-assessable risk factors to predict bacteremia in children with febrile neutropenia, who received anticancer chemotherapy. Methods : We retrospectively reviewed 46 children who had febrile neutropenia caused by anticancer chemotherapy between March, 1993 and February, 1997. The patients with localized infection on presentation were not eligible for this study. We evaluated the correlation between bacteremia and...
Erratum
Three Cases of Necrotizing Lymphadenitis in Childhood
Seong Hoon Hah, Dong Woon Shin, Kyung Hee Lee, Tae Sun Ha, Beom Soo Park, Heon Seok Han, Sang-Hoon Cha, Geon Kook Lee
Accepted January 1, 1970  
Necrotizing lymphadenitis(named as "Kikuchi disease"), initially described by a Japanese pathologist as "a histiocytic necrotizing lymphadenitis with paracortical necrosis, plasmacytoid monocytes infiltration and prominent phagocytic appearance" has been found worldwide. Be-cause of its self-limited course, it has been well known that what should be considered as more important issues are its deatiled pathologic criteria for confirmation and thorough concern about...