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Review Article
Food protein-induced proctocolitis: Is this allergic disorder a reality or a phantom in neonates?
Jin-Bok Hwang, Jeana Hong
Clin Exp Pediatr. 2013;56(12):514-518.   Published online December 20, 2013

The etiology of small and fresh rectal bleeding in neonates who are not sick is usually unknown; the only known cause is food protein-induced proctocolitis (FPIPC). It has been recently reported that FPIPC is a rare cause of rectal bleeding in newborns, and most cases have been proved to be due to idiopathic neonatal transient colitis. A recommended strategy for...

Case Report
Cytomegalovirus-associated esophageal ulcer in an immunocompetent infant: When should ganciclovir be administered?
Hyo-Jeong Jang, Ae Suk Kim, Jin-Bok Hwang
Clin Exp Pediatr. 2012;55(12):491-493.   Published online December 20, 2012

Cytomegalovirus (CMV)-associated esophageal ulcer is rare in immunocompetent infants. The presence of inclusion bodies and immunohistochemical staining for CMV in biopsy specimens obtained during esophagogastroduodenoscopy (EGD) indicate that such ulcers occur because of CMV infection. A 7-week-old female infant who experienced frequent vomiting and feeding intolerance was diagnosed with a massive CMV-associated ulcer in the distal esophagus. The ulcer improved...

Original Article
What is the 'objective' differential factor of diarrhea in infancy?: Normal state versus diarrheal illness in infants with chronic frequent and loose stool
Jin-Bok Hwang, Kyung Ji Kang, Jung Jeung Lee, Ae Suk Kim
Clin Exp Pediatr. 2010;53(12):1006-1011.   Published online December 31, 2010

This study aimed to identify 'objective' differential factors for normal frequent loose stool (NFLS) and diarrheal illness with dehydration and nutritional deficiency (DIDN) among infants with chronic frequent loose stool (CFLS).


Data were analyzed from infants under 2 years of age with CFLS who had been transferred from general pediatricians. These 46 patients were divided into 2 groups (NFLS versus DIDN)....

Apoptosis and upregulation of TNF-α and TRAIL receptor 1 (DR4) in the pathogenesis of food protein-induced enterocolitis syndrome
Jin-Bok Hwang, Sang Pyo Kim, Yu Na Kang, Seong-Ryong Lee, Seong-Il Suh, Taeg Kyu Kwon
Clin Exp Pediatr. 2010;53(4):525-531.   Published online April 15, 2010
Purpose : Expression levels of tumor necrosis factor (TNF)-α expression on the mucosa of the small intestine is increased in patients with villous atrophy in food protein-induced enterocolitis syndrome (FPIES). TNF-α has been reported to induce apoptotic cell death in the epithelial cells. We studied the TNF family and TNF-receptor family apoptosis on the duodenal mucosa to investigate their roles in the pathogenesis...
Pseudomembranous colitis in children: Experience of a university hospital in Korea
Jae Hyun Park, Kyung Ji Kang, Yu Na Kang, Ae Suk Kim, Jin-Bok Hwang
Clin Exp Pediatr. 2010;53(2):184-189.   Published online February 15, 2010
Purpose : Pseudomembranous colitis (PMC) occurs rarely in children, but its incidences are increasing due to frequent antibiotic use. We investigated the incidence and clinical characteristics of PMC accompanied by bacterial enteritis-like symptoms in children. Methods : Between November 2003 and July 2007 at the Department of Pediatrics, Dongsan Medical Center, we analyzed the medical records of consecutive patients who received...
Case Report
Perianastomotic ulceration presenting with long-term iron deficiency anemia and growth failure: A case report and review of the literature
Kyung Ji Kang, Eun Ha Kim, Eun Young Jung, Woo-Hyun Park, Yu-Na Kang, Ae Suk Kim, Jin-Bok Hwang
Clin Exp Pediatr. 2010;53(1):89-92.   Published online January 15, 2010
Perianastomotic ulceration (PAU) rarely occurs after small bowel resection in infancy. Since the understanding of its pathogenesis is incomplete, an effective method of treatment has not yet been discovered. We report the first case in Korea of a 10-year-old girl with chronic iron deficiency anemia (IDA) and growth failure who was diagnosed with PAU at colonoscopy. Seven years were required...
Review Article
How to write a medical paper: an introduction
Jin-Bok Hwang
Clin Exp Pediatr. 2009;52(7):756-765.   Published online July 15, 2009
This paper aims to provide an introduction to junior authors on how to write a medical paper in a clearer and more scientific manner. One important thing to be always remembered is that the reviewer and the reader will be reading your paper for the first time, and thus, you should make it as lucid as possible. You should pay...
Original Article
Therapeutic compliance and its related factors in pediatrics patients
Ki Soo Park, Sin Kam, Heung Sik Kim, Jeong Kwon Lee, Jin-Bok Hwang
Clin Exp Pediatr. 2008;51(6):584-596.   Published online June 15, 2008
Purpose : This study was conducted to investigate treatment compliance and related factors in pediatric patients. Methods : Three hundred and fifty-five patients diagnosed with various acute diseases at a teaching hospital or clinic in October 2003 were enrolled. Data were analyzed using the Health Belief Model, which includes items on self-efficacy and family assistance. Results : The study found that...
Change of absolute neutrophil count after intravenous immunoglobulin administration for the children with idiopathic thrombocytopenic purpura
Hyun Jung Shin, In Kug Bang, Byung Kyu Choe, Jin-Bok Hwang, Jun Sik Kim, Heung Sik Kim
Clin Exp Pediatr. 2007;50(10):982-986.   Published online October 15, 2007
Purpose : Intravenous immunoglobulin (IVIG) is effective for the treatment of idiopathic thrombocytopenic purpura (ITP) in children. Recently, several reports have been published that show its impact on the absolute neutrophil count. The present study was performed to confirm these findings. Methods : Data on 26 ITP patients were analyzed. Patients with febrile illness or increased C-reactive protein levels...
Diagnostic effectiveness of fine needle aspiration cytology on pediatric cervical lymphadenopathy
Jun Chul Byun, Byung Kyu Choe, Jin-Bok Hwang, Heung Sik Kim, Sang Sook Lee
Clin Exp Pediatr. 2006;49(2):162-166.   Published online February 15, 2006
Purpose : There are few reports in Korean literature on the diagnostic efficacy of fine needle aspiration cytology(FNAC) for pediatric cervical lymphadenopathy. This study examined the diagnostic value of FNAC on cervical lymphadenopathy in children. Methods : Data from 57 pediatric patients(aged 0.3 to 14 years) who underwent FNAC due to cervical lymphadenopathy between January 2001 and March 2005 was...
Review Article
Early recognition of high risk factors of acute abdominal pain in children
Jin-Bok Hwang
Clin Exp Pediatr. 2006;49(2):117-128.   Published online February 15, 2006
Non-traumatic acute abdominal pain in children presents a diagnostic dilemma. Numerous disorders can cause abdominal pain. Although many etiologies are benign, some require a rapid diagnosis and treatment in order to minimize morbidity. This review concentrates on the clinical office evaluation of acute abdominal pain in infants and children and details the clinical guideline for the diagnostic approach to imaging...
Original Article
Risk Factors for the Early Recognition of Cow's Milk Protein-induced Enterocolitis
Sung Hyuk Lee, Seon Yun Choi, Byung Cheol Lee, Won Joung Choi, Byung Kyu Choe, Yeo Hyang Kim, Una Kang, Sin Kam, Jin-Bok Hwang
Clin Exp Pediatr. 2005;48(9):991-997.   Published online September 15, 2005
Purpose : Cow's milk protein-induced enterocolitis(CMPIE) is a symptom complex of vomiting and/ or diarrhea caused by delayed hypersensitivity and may result in serious complications. This study was undertaken to identify high risk factors to facilitate the early recognition of CMPIE. Methods : We reviewed the data of 101 patients, aged 15 to 45 days, admitted due to vomiting and/...
Is Acute Nonspecific Mesenteric Lymphadenitis Associated with Acute Abdominal Pain in Epidemic Aseptic Meningitis?
Hae Rim Kim, Kiyoung Ku, Young Hwan Lee, Sin Kam, Jin-Bok Hwang
Clin Exp Pediatr. 2004;47(6):623-627.   Published online June 15, 2004
Purpose : Acute abdominal pain in an epidemic aseptic meningitis which is mostly an enterovirus as causative agent, is noted in 23-55% of patients. An enterovirus is also known as one of the causes of acute nonspecific mesenteric lymphadenitis(ANML). The purpose of this study was to see if ANML was associated with acute abdominal pain in epidemic aseptic meningitis. Methods :...
Clinical Outcomes of Infants with Failure to Gain Weight among Out-patients
Byoung Cheol Lee, Hae Rim Kim, Chan Lack Sohn, Sin Kam, Jin-Bok Hwang
Clin Exp Pediatr. 2004;47(6):604-610.   Published online June 15, 2004
Purpose : The three categories of failure to thrive are based on anthropometric measurements of weight, length, and head circumference for age. Type 1 is a failure to gain weight(FGW) due mainly to malnutrition. This study was performed to observe the clinical outcomes of infants with FGW, Type 1, among out-patients. Methods : Between October 2002 and July 2003, data from...
A Clinical Approach to Failure to Gain Weight in Infants
Jin-Bok Hwang
Clin Exp Pediatr. 2004;47(4):355-361.   Published online April 15, 2004
Failure to thrive is a term used to describe growth failure in infants and young children that may be accompanied by retarded social and motor achievements. The three categories of failure to thrive is based on anthropometric measurements of weight, length, and head circumference for age. Type 1 category, inadequate growth or loss of body weight with relatively normal height...
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