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Review Article
Neurology
Myelin oligodendrocyte glycoprotein antibody-associated disorders: clinical spectrum, diagnostic evaluation, and treatment options
Yun-Jin Lee, Sang Ook Nam, Ara Ko, JuHyun Kong, Shin Yun Byun
Clin Exp Pediatr. 2021;64(3):103-110.   Published online May 14, 2020
MOG antibody-associated disorder exhibits different pathophysiological and phenotypic findings than both aquaporin-4 antibody-associated neuromyelitis optica spectrum disorder and typical MS. MOG-antibody is of particular interest in pediatric patients with clinical or radiological non-MS typical findings. MOG-antibody was included in a diagnostic algorithm for children recommending for the first time a standardized use in clinical practice except in cases of typical MS.
Editorial
Neurology
Targeted temperature management and neuroprotective outcomes of pediatric patients after cardiac arrest
Yun-Jin Lee
Clin Exp Pediatr. 2020;63(5):180-181.   Published online April 14, 2020
Review Article
Neurology
Autoimmune encephalitis and epilepsy: evolving definition and clinical spectrum
Joo Hee Seo, Yun-Jin Lee, Ki Hyeong Lee, Elakkat Gireesh, Holly Skinner, Michael Westerveld
Clin Exp Pediatr. 2020;63(8):291-300.   Published online August 16, 2019
Advances in autoimmune encephalitis studies in the past 10 years have led to the identification of new syndromes and biomarkers that have transformed the diagnostic approach to the disorder. The disorder or syndrome has been linked to a wide variety of pathologic processes associated with the neuron-specific autoantibodies targeting intracellular and plasma membrane antigens. However, current criteria for autoimmune encephalitis...
Case Report
Genetics and Metabolism
The First Korean case of combined oxidative phosphorylation deficiency-17 diagnosed by clinical and molecular investigation
Young A Kim, Yoo-Mi Kim, Yun-Jin Lee, Chong Kun Cheon
Clin Exp Pediatr. 2017;60(12):408-412.   Published online December 22, 2017

Combined oxidative phosphorylation deficiency-17 (COXPD-17) is very rare and is caused by homozygous or compound heterozygous mutations in the ELAC2 gene on chromosome 17p12. The ELAC2 gene functions as a mitochondrial tRNA processing gene, and only 4 different pathogenic mutations have been reported in ELAC2-associated mitochondrial dysfunction involving oxidative phosphorylation. Affected patients show various clinical symptoms and prognosis, depending on...

Pulmonology
Endovascular stenting of tracheoinnominate fistula after tracheostomy in a 14-year-old boy
Mi-Hye Bae, Yun-Jin Lee, Sang Ook Nam, Hye-Young Kim, Chang Won Kim, Young Mi Kim
Clin Exp Pediatr. 2016;59(Suppl 1):S76-S79.   Published online November 30, 2016

Tracheoinnominate artery fistula is a rare, fatal complication of tracheostomy, and prompt diagnosis and management are imperative. We report the case of tracheoinnominate artery fistula after tracheostomy in a 14-year-old boy with a history of severe periventricular leukomalacia, hydrocephalus, cerebral palsy, and epilepsy. The tracheoinnominate artery fistula was successfully treated with a stent graft insertion via the right common femoral...

Neurology
A neonate with Joubert syndrome presenting with symptoms of Horner syndrome
Narae Lee, Sang-Ook Nam, Young Mi Kim, Yun-Jin Lee
Clin Exp Pediatr. 2016;59(Suppl 1):S32-S36.   Published online November 30, 2016

Joubert syndrome (JS) is characterized by the “molar tooth sign” (MTS) with cerebellar vermis agenesis, episodic hyperpnea, abnormal eye movements, and hypotonia. Ocular and oculomotor abnormalities have been observed; however, Horner syndrome (HS) has not been documented in children with JS. We present the case of a 2-month-old boy having ocular abnormalities with bilateral nystagmus, left-dominant bilateral ptosis, and unilateral...

Parry-Romberg syndrome with ipsilateral hemipons involvement presenting as monoplegic ataxia
Yun-Jin Lee, Kee-Yang Chung, Hoon-Chul Kang, Heung Dong Kim, Joon Soo Lee
Clin Exp Pediatr. 2015;58(9):354-357.   Published online September 21, 2015

Parry-Romberg syndrome (PRS) is a rare, acquired disorder characterized by progressive unilateral facial atrophy of the skin, soft tissue, muscles, and underlying bony structures that may be preceded by cutaneous induration. It is sometimes accompanied by ipsilateral brain lesions and neurological symptoms. Here we present the case of a 10-year-old girl with right-sided PRS and recurrent monoplegic ataxia of the...

Moyamoya syndrome occurred in a girl with an inactive systemic lupus erythematosus
Yun-Jin Lee, Gyu Min Yeon, Sang Ook Nam, Su Yung Kim
Clin Exp Pediatr. 2013;56(12):545-549.   Published online December 20, 2013

We report the case of a 17-year-old Korean girl with systemic lupus erythematosus (SLE) who presented with sudden weakness of the right-sided extremities and dysarthria. Oral prednisolone was being taken to control SLE. Results of clinical and laboratory examinations did not show any evidence of antiphospholipid syndrome or thromboembolic disease nor SLE activity. Cerebral angiography showed stenosis of the left...

Review Article
Temporal lobe epilepsy surgery in children versus adults: from etiologies to outcomes
Yun-Jin Lee, Joon Soo Lee
Clin Exp Pediatr. 2013;56(7):275-281.   Published online July 19, 2013

Temporal lobe epilepsy (TLE) is the most common type of medically intractable epilepsy in adults and children, and mesial temporal sclerosis is the most common underlying cause of TLE. Unlike in the case of adults, TLE in infants and young children often has etiologies other than mesial temporal sclerosis, such as tumors, cortical dysplasia, trauma, and vascular malformations. Differences in...

Case Report
X-linked recessive myotubular myopathy with MTM1 mutations
Young-Mi Han, Kyoung-Ah Kwon, Yun-Jin Lee, Sang-Ook Nam, Kyung-Hee Park, Shin-Yun Byun, Gu-Hwan Kim, Han-Wook Yoo
Clin Exp Pediatr. 2013;56(3):139-142.   Published online March 18, 2013

X-linked recessive myotubular myopathy (XLMTM) is a severe congenital muscle disorder caused by mutations in the MTM1 gene and characterized by severe hypotonia and generalized muscle weakness in affected males. It is generally a fatal disorder during the neonatal period and early infancy. The diagnosis is based on typical histopathological findings on muscle biopsy, combined with suggestive clinical features. We...

Original Article
The Effect of Parenteral Nutrition and Respiratory Distress Syndrome in the Early Neonatal Period on Bone Mineralization at the Time of Reaching 2 kg Body Weight in Premature Infants
Yun-Jin Lee, Su-Eun Park, Jae-Hong Park
Clin Exp Pediatr. 2004;47(4):368-372.   Published online April 15, 2004
Purpose : To evaluate the effect of parenteral nutrition in early neonatal period on bone mineralization at the time of reaching 2 kg body weight in premature infants, bone mineral density(BMD) in infants who received long-term parenteral nutrition in the early neonatal period was measured and compared with infants who received enteral nutrition only. Methods : Twenty low birth weight infants(those...
Case Report
A Case of Cytomegalovirus Colitis which Occurred During Treatment of Hemophagocytic Syndrome
Sang-Nam Bae, Sung-Ryon Ahn, Yun-Jin Lee, Young-Tak Lim, Jae-Hong Park, Kyung-Un Choi, Chang-Hun Lee
Clin Exp Pediatr. 2001;44(9):1075-1080.   Published online September 15, 2001
Cytomegalovirus(CMV) colitis is an important opportunistic infection in immunocompromised individuals. The clinical symptoms are abdominal pain, diarrhea, colonic hemorrhage and perforation. The endoscopic appearance shows three characteristic features with focal or diffuse inflammatory changes, submucosal hemorrhagic spots, and well demarcated ulcers. We experienced a case of CMV colitis in an 8-year-old girl presented with Stevens-Johnson syndrome, vanishing bile duct syndrome and infection-associated hemophagocytic histiocytosis, which...
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