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Review Article
Genetics and Metabolism
Neurofibromatosis type I: points to be considered by general pediatricians
Eungu Kang, Hee Mang Yoon, Beom Hee Lee
Clin Exp Pediatr. 2021;64(4):149-156.   Published online July 15, 2020
Neurofibromatosis type 1 (NF1), a prevalent genetic disease that is transmitted in an autosomal dominant manner, is characterized by multiple cutaneous café-au-lait spots and neurofibromas as well as various degrees of neurological, skeletal, and neoplastic manifestations. The clinical features of NF1 increase in frequency with age, while the clinical diagnosis can remain undetermined in some pediatric patients. Importantly, affected patients...
Case Report
Endocrinology
Phelan-McDermid syndrome presenting with developmental delays and facial dysmorphisms
Yoon-Myung Kim, In-Hee Choi, Jun Suk Kim, Ja Hye Kim, Ja Hyang Cho, Beom Hee Lee, Gu-Hwan Kim, Jin-Ho Choi, Eul-Ju Seo, Han-Wook Yoo
Clin Exp Pediatr. 2016;59(Suppl 1):S25-S28.   Published online November 30, 2016

Phelan-McDermid syndrome is a rare genetic disorder caused by the terminal or interstitial deletion of the chromosome 22q13.3. Patients with this syndrome usually have global developmental delay, hypotonia, and speech delays. Several putative genes such as the SHANK3, RAB, RABL2B, and IB2 are responsible for the neurological features. This study describes the clinical features and outcomes of Korean patients with...

Original Article
Genetics and Metabolism
Identification of 1p36 deletion syndrome in patients with facial dysmorphism and developmental delay
Go Hun Seo, Ja Hye Kim, Ja Hyang Cho, Gu-Hwan Kim, Eul-Ju Seo, Beom Hee Lee, Jin-Ho Choi, Han-Wook Yoo
Clin Exp Pediatr. 2016;59(1):16-23.   Published online January 22, 2016
Purpose

The 1p36 deletion syndrome is a microdeletion syndrome characterized by developmental delays/intellectual disability, craniofacial dysmorphism, and other congenital anomalies. To date, many cases of this syndrome have been reported worldwide. However, cases with this syndrome have not been reported in Korean populations anywhere. This study was performed to report the clinical and molecular characteristics of five Korean patients with the...

Lowe syndrome: a single center's experience in Korea
Hyun-Kyung Kim, Ja Hye Kim, Yoo-Mi Kim, Gu-Hwan Kim, Beom Hee Lee, Jin-Ho Choi, Han-Wook Yoo
Clin Exp Pediatr. 2014;57(3):140-148.   Published online March 31, 2014
Purpose

Lowe syndrome is a rare, X-linked recessive disorder caused by mutations in the OCRL gene. It involves multiple anatomic systems, particularly the eyes, central nervous system, and kidneys, and leads to profound growth failure and global developmental delay. This study evaluated the clinical and genetic characteristics of Korean patients with Lowe syndrome.

Methods

The clinical findings and results of genetic studies were...

Case Report
Chronic intermittent form of isovaleric aciduria in a 2-year-old boy
Jin Min Cho, Beom Hee Lee, Gu-Hwan Kim, Yoo-Mi Kim, Jin-Ho Choi, Han-Wook Yoo
Clin Exp Pediatr. 2013;56(8):351-354.   Published online August 27, 2013

Isovaleric aciduria (IVA) is caused by an autosomal recessive deficiency of isovaleryl-CoA dehydrogenase (IVD). IVA presents either in the neonatal period as an acute episode of fulminant metabolic acidosis, which may lead to coma or death, or later as a "chronic intermittent form" that is associated with developmental delays, with or without recurrent acidotic episodes during periods of stress, such...

Two cases of chronic pancreatitis associated with anomalous pancreaticobiliary ductal union and SPINK1 mutation
Eun Sam Rho, Earl Kim, Hong Koh, Han-Wook Yoo, Beom Hee Lee, Gu-Hwan Kim
Clin Exp Pediatr. 2013;56(5):227-230.   Published online May 28, 2013

Chronic pancreatitis is a progressive inflammatory disease resulting from repeated episodes of acute pancreatitis that impair exocrine function and eventually produce endocrine insufficiency. Some causes of chronic pancreatitis appear to be associated with alterations in the serine-protease inhibitor, Kazal type 1 (SPINK1), cationic trypsinogen (PRSS1), and cystic fibrosis-transmembrane conductance regulator (CFTR) genes, or with structural disorders in the pancreaticobiliary ductal...

Original Article
Clinical and genetic characteristics of Gaucher disease according to phenotypic subgroups
Ju-Young Lee, Beom Hee Lee, Gu-Hwan Kim, Chang-Woo Jung, Jin Lee, Jin-Ho Choi, Han-Wook Yoo
Clin Exp Pediatr. 2012;55(2):48-53.   Published online February 14, 2012
Purpose

Gaucher disease is caused by a β-glucocerebrosidase (GBA) deficiency. The aim of this study is to investigate the clinical and genetic characteristics according to subtypes of Gaucher disease in the Korean population.

Methods

Clinical findings at diagnosis, GBA mutations, and clinical courses were reviewed in 20 patients diagnosed with Gaucher disease.

Results

Eleven patients were diagnosed with non-neuronopathic type, 2 with acute neuronopathic type,...

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