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Wilms tumor, aniridia, genitourinary anomalies, and mental retardation syndrome with deletion of chromosome 11p14.3p12

  • Seo, Go Hun;Kim, Yoon-Myung;Kim, Gu-Hwan;Seo, Eul-Ju;Choi, Jin Ho;Lee, Beom Hee;Yoo, Han-Wook
    • Journal of Genetic Medicine
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    • v.15 no.1
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    • pp.38-42
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    • 2018
  • WAGR (Wilms tumor, aniridia, genitourinary anomalies, and mental retardation) syndrome is a rare contiguous gene deletion syndrome caused by deleting genes including WT1 and PAX6 genes in 11p13 region, which is characterized by Wilms tumor, aniridia, genitourinary abnormalities, and intellectual disability. We report the clinical and cytogenetic characteristics of one Korean patient with WAGR syndrome. The patient shows bilateral sporadic aniridia and genital anomalies at 2 months of age. A heterozygous 14.5 Mb interstitial deletion of 11p14.3p12 region was detected by array comparative genomic hybridization. At 2 years and 10 months of age, Wilms tumor is found through regularly abdominal ultrasonography and treated by chemotherapy, radiation therapy and surgery.

Novel ATP8B1 Gene Mutations in a Child with Progressive Familial Intrahepatic Cholestasis Type 1

  • Rhee, Eun Sang;Kim, Yu Bin;Lee, Sunghee;Oh, Seak Hee;Lee, Beom Hee;Kim, Kyung Mo;Yoo, Han-Wook
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.22 no.5
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    • pp.479-486
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    • 2019
  • Progressive familial intrahepatic cholestasis (PFIC) is a group of severe genetic disorders, inherited in an autosomal recessive manner, causing cholestasis of hepatocellular origin, later progressing to biliary cirrhosis and liver failure. This is the first report of PFIC type 1 with novel compound heterozygous mutations in Korea. The patient was presented with intrahepatic cholestasis, a normal level of serum ${\gamma}-glutamyl$ transferase, steatorrhea, and growth failure. Genetic testing of this patient revealed novel compound heterozygous mutations (p.Glu585Ter and p.Leu749Pro) in the ATP8B1 gene. After a liver transplantation at age 19 months, the patient developed severe post-transplant steatohepatitis.

Management strategies for congenital isolated hydronephrosis and the natural course of the disease

  • Jung, Jiwon;Lee, Joo Hoon;Kim, Kun Suk;Song, Sang Hun;Moon, Dae Hyuk;Yoon, Hee Mang;Cho, Young Ah;Park, Young Seo
    • Childhood Kidney Diseases
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    • v.26 no.1
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    • pp.1-10
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    • 2022
  • Congenital isolated hydronephrosis encompasses a spectrum of physiologic states that spontaneously resolve and pathologic obstruction that necessitates surgical intervention. Distinguishing patients whose condition will resolve, those who will require stringent follow-up, and those who will eventually need surgical intervention present a challenge to clinicians, particularly because no unified guidelines for assessment and follow-up have been established. The recognition of the natural course and prognosis of hydronephrosis and a comprehensive understanding of the currently proposed consensus guidelines may aid in multidisciplinary treatment and in providing proper counseling to caregivers. In this review, we aimed to summarize the literature on the grading systems and management strategies for congenital isolated hydronephrosis.

Clinical Features of Complicated Meckel's Diverticulum Requiring Operation in Children (소아에서 수술을 요한 멕켈게실의 임상상)

  • Lee, Seong-Cheol;Mok, Woo-Kyun;Seo, Jung-Min;Jung, Sung-Eun;Park, Kwi-Won;Kim, Woo-Ki
    • Advances in pediatric surgery
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    • v.1 no.1
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    • pp.33-39
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    • 1995
  • The incidence of Meckel's diverticulum(MD) in general population has been assessed as 2 percent. The major complications of MD are bleeding, perforation, and intestinal obstruction. In spite that the complication rate of Meckel's diverticulum is relatively high(about 4.2% during a lifetime), the preoperative diagnostic rate of complicated MD is very low. Authors investigated the clinical characteristics of complicated MD to improve the diagnostic rate. 16 patients with complicated Meckel's diverticulum who were operated upon at the Department of Pediatric Surgery, Seoul National University Children's Hospital from June 1985 to December 1993 were reviewed. Among the 16 patients with complicated MD, 12 patients(75%) were under 2 year-old and male were predominant(88%). The most common complication was bleeding patients with bleeding MD (8 cases) were diagnosed preoperatively as MD. 8 patients with other complications(perforation : 4 cases, obstruction : 4 cases) could not be suspected as complicated MD except one patient who had previous history of melena. These patients were diagnosed after exploratory laparotomy under the various impression other than MD. Among 12 patients with ulcer related complications such as bleeding and perforation, heterotopic gastric mucosa was found in 11 patients. In conclusion, in any children with unexplained acute abdomen, especially under 2 years old, complicated MD must be included in differential diagnosis. In children with obscure lower gastrointestinal bleeding, $^{99m}Tc$-pertechnetate scintigraphy is a useful diagnostic tool to rule out bleeding MD.

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Acute tubular necrosis as a part of vancomycin induced drug rash with eosinophilia and syste­mic symptoms syndrome with coincident post­infectious glomerulonephritis

  • Kim, Kyung Min;Sung, Kyoung;Yang, Hea Koung;Kim, Seong Heon;Kim, Hye Young;Ban, Gil Ho;Park, Su Eun;Lee, Hyoung Doo;Kim, Su Young
    • Clinical and Experimental Pediatrics
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    • v.59 no.3
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    • pp.145-148
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    • 2016
  • Drug rash with eosinophilia and systemic symptoms (DRESS) syndrome is a rare and potentially fatal condition characterized by skin rash, fever, eosinophilia, and multiorgan involvement. Various drugs may be associated with this syndrome including carbamazepine, allopurinol, and sulfasalazine. Renal involvement in DRESS syndrome most commonly presents as acute kidney injury due to interstitial nephritis. An 11-year-old boy was referred to the Children's Hospital of Pusan National University because of persistent fever, rash, abdominal distension, generalized edema, lymphadenopathy, and eosinophilia. He previously received vancomycin and ceftriaxone for 10 days at another hospital. He developed acute kidney injury with nephrotic range proteinuria and hypocomplementemia. A subsequent renal biopsy indicated the presence of acute tubular necrosis (ATN) and late exudative phase of postinfectious glomerulonephritis (PIGN). Systemic symptoms and renal function improved with corticosteroid therapy after the discontinuation of vancomycin. Here, we describe a biopsy-proven case of severe ATN that manifested as a part of vancomycin-induced DRESS syndrome with coincident PIGN. It is important for clinicians to be aware of this syndrome due to its severity and potentially fatal nature.

Gorham-Stout Syndrome with Focal Segmental Glomerulosclerosis: A Case Report

  • Kim, Ji Hyun;Kim, You Sun;Lim, Seon Hee;Ahn, Yo Han;Ko, Jung-Min;Suh, Dong In;Lee, Kyoung Bun;Moon, Kyung Chul;Ha, Il-Soo;Cheong, Hae Il;Kang, Hee Gyung
    • Childhood Kidney Diseases
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    • v.24 no.2
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    • pp.120-125
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    • 2020
  • Gorham-Stout syndrome is a rare bone disorder characterized by progressive massive osteolysis and proliferation of vascular and lymphatic vessels. A 15-year-old boy was initially diagnosed with Gorham-Stout at the age of 8 years based on clinical and radiological findings. Following diagnosis, he was treated with pamidronate, interferon alfa, propranolol, oral corticosteroids, and sirolimus. He developed proteinuria at the age of 15 and progressed into the nephrotic range 2 years later. A renal biopsy revealed focal segmental glomerulosclerosis, not otherwise specified variant. The sequential increase in proteinuria associated with medications suggested that the focal segmental glomerulosclerosis may be caused by pamidronate and sirolimus, but cannot completely rule out the possibility of kidney involvement of GSS itself.

Aortic valve replacement surgery for a case of infantile Takayasu arteritis

  • Kwon, Hye-Won;Suh, Yoon-Jung;Bang, Ji-Seok;Kwon, Bo-Sang;Kim, Gi-Beom;Bae, Eun-Jung;Kim, Woong-Han;Noh, Chung-Il
    • Clinical and Experimental Pediatrics
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    • v.55 no.7
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    • pp.254-258
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    • 2012
  • Takayasu arteritis is a chronic inflammatory disease of unknown etiology primarily affecting the aorta and its major branches and usually occurring in the second or third decade of life. Here, we report a case of Takayasu arteritis in a 10-month-old patient. The infant presented with signs of congestive heart failure and severe aortic regurgitation. Echocardiography and computed tomography angiography showed an abnormally dilated thoracic and abdominal aorta. The infant was initially treated with prednisolone, followed by commissuroplasty of the aortic valve but neither approach ameliorated the heart failure. The patient was eventually treated with a mechanical aortic valve replacement surgery at the age of 12 months, and her condition stabilized. Although unusual, this case indicates that the diagnosis of Takayasu arteritis should be considered in children with unexplained systemic symptoms, aortic valve regurgitation, and heart failure. Because severe aortic regurgitation may be a fatal complication of Takayasu arteritis, early aortic valve replacement surgery should be considered, even in very young children.

Lemierre Syndrome in Adolescent with Active Ulcerative Colitis

  • Unic, Josipa;Kovacic, Matea;Jakovljevic, Gordana;Batos, Ana Tripalo;Grmoja, Tonci;Hojsak, Iva
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.21 no.3
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    • pp.214-217
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    • 2018
  • Inflammatory bowel disease (IBD) is a well-recognized risk factor for thrombotic events in adults but data on children are scarce. In the great majority of adult patients, thrombotic events are usually deep vein thrombosis and pulmonary embolism. Other sites such as jugular veins are extremely rare. We present a case of Lemierre syndrome in an adolescent girl with active ulcerative colitis and discuss possible risk factors. This is the first reported case of severe Lemierre syndrome with thrombus extension to cranial veins in a patient with ulcerative colitis. Early recognition of Lemierre syndrome in patients who present with rapidly worsening symptoms of neck pain, fever and signs of pharyngitis is imperative because it increases a chance of favorable prognosis. It is important for pediatricians treating IBD patients not to underestimate possible thrombotic events in children with IBD. Recognition of additional risk factors is crucial for prompt diagnosis and adequate treatment.

Intravenous fluid prescription practices among pediatric residents in Korea

  • Lee, Jiwon M.;Jung, Younghwa;Lee, Se Eun;Lee, Jun Ho;Kim, Kee Hyuck;Koo, Ja Wook;Park, Young Seo;Cheong, Hae Il;Ha, Il-Soo;Choi, Yong;Kang, Hee Gyung
    • Clinical and Experimental Pediatrics
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    • v.56 no.7
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    • pp.282-285
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    • 2013
  • Purpose: Recent studies have established the association between hypotonic fluids administration and hospital-acquired hyponatremia in children, and have contended that hypotonic fluids be removed from routine practice. To assess current intravenous fluid prescription practices among Korean pediatric residents and to call for updated clinical practice education Methods: A survey-based analysis was carried out. Pediatric residents at six university hospitals in Korea completed a survey consisting of four questions. Each question supposed a unique scenario in which the respondents were to prescribe either a hypotonic or an isotonic fluid for the patient. Results: Ninety-one responses were collected and analyzed. In three of the four scenarios, a significant majority prescribed the hypotonic fluids (98.9%, 85.7%, and 69.2%, respectively). Notably, 69.2% of the respondents selected the hypotonic fluids for postoperative management. Almost all (96.7%) selected the isotonic fluids for hydration therapy. Conclusion: In the given scenarios, the majority of Korean pediatric residents would prescribe a hypotonic fluid, except for initial hydration. The current state of pediatric fluid management, notably, heightens the risk of hospital-acquired hyponatremia. Updated clinical practice education on intravenous fluid prescription, therefore, is urgently required.