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Case Report
A Case of Successful Management of Hypertrophic Pyloric Stenosis with Endoscopic Balloon Dilatation
Cheol Ho Chang, Churl Young Chung
Clin Exp Pediatr. 1999;42(1):143-147.   Published online January 15, 1999
Endoscopic balloon dilatation has provided a non-operative means of managing obstructive lesions in the gastrointestinal tract. In an infant with idiopathic hypertrophic pyloric stenosis(IHPS), the stenosis was successfully dilated with endoscopic balloon dilatation. Endoscopic balloon dilatation was performed using a 9mm endoscope and through-the-scope(TTS) balloon catheter (diameter 10 to 12mm). Dilatation was performed two times for 5 minutes. The 9mm...
Original Article
Clinical Features and Endoscopic Findings of Helicobacter pylori Infection in Children
Seon Hee Kim, Cheol Ho Chang, Churl Young Chung
Clin Exp Pediatr. 1998;41(10):1359-1364.   Published online October 15, 1998
Purpose : Helicobacter pylori(H. pylori) is recognized as the cause of primary or unexplained gastrointestinal diseases in children as well as in adults. However, it is unclear whether H. pylori causes specific clinical symptoms or diseases. Therefore, we studied the clinical manifestations associated with H. pylori infection in consecutive symptomatic children undergoing diagnostic endoscopy. Methods : This study included 42...
Case Report
Four Cases of Iron Deficiency Anemia with Helicobacter pylori Infection
Houng Soung, Cheol Ho Chang, Churl Young Chung
Clin Exp Pediatr. 1996;39(8):1173-1178.   Published online August 15, 1996
Helicobacter pylori has become apparent that this organism is an etiologic agent of gastrits and peptic ulcer disease in humans. We present four cases of iron deficiency anemia, not specific causes, in 3 males and 1 female patients with Helicobacter pylori infection, who were treated with antibiotics and iron supplemented therapy. Diagnosis was confirmed by endoscopic biopsies and hematologic findings. A brief review of related...
Original Article
Recurrent Abdominal Pain in Children: Endoscopic Findings and Helicobacter pylori Infection
Cheol Ho Chang, Churl Young Chung
Clin Exp Pediatr. 1995;38(1):47-53.   Published online January 15, 1995
Purpose : Recurrent abdominal pain (RAP) in children is similar to nonulcer dyspepsia of adult. Recently, microscopic inflammation and Helicobacter pylori (H. pylori) infection have been suggested as possible causes of nonulcer dyspepsia in adults. The aim was to know the clinical significance of encoscopic findings and H. pylori infection in children with RAP. Methods : 128 children with RAP underwent...
Endoscopic evaluation for gastrointestinal hemorrhage in childhood.
Cheol Ho Chang, Beom Soo Park, Jeong Kee Seo
Clin Exp Pediatr. 1991;34(4):515-524.   Published online April 30, 1991
The diagnosis and management of gastrointestinal tract hemorrhage in infants and children have been changed dramatically over the past decade. Although previous reviews of this subject have suggested that the cause of gastrointestinal tract bleeding may remain obscure in many patients, recent experience indicates that this is now uncommon. This advance is largely a result of the widespread and now routine application of fiberoptic...
A case of Caroli's disease.
Seong Hee Jung, Cheol Ho Chang, Han Tchah, Jeong Kee Seo, Kwi Won Park, In One Kim, Kyung Mo Yeon, Je Geun Chi
Clin Exp Pediatr. 1991;34(2):261-266.   Published online February 28, 1991
Caroli’s disease was first described by Caroli in 1958 and characterized by segmental cystic dilatation of the intrahepatic bile ducts. There is stasis of bile with stone formation in the dilatated ducts, giving rise to frequent attacks of pain and cholangitis. In the past, diagnosis of the Caroli’s disease is rarely established prior to operation and subsequent cholangiography. Recently, with ultrasonography, computerized tomography, radioisotope...