• Journal of the korean academy of Pediatric Dentistry
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• v.24 no.3
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• pp.487-494
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• 1997

It is rare to find multiple supernumerary teeth in individuals with no other associated diseases or syndromes. 'Non-Syndrome multiple supernumerary teeth' reviewed by Yusof(1990) have more frequency of occurrence in the mandibular region. Especially, mandibular premolar region appears to be the site of predilection for no n-syndrome multiple supernumerary teeth. Also, these may develop after most permanent teeth have erupted, thus their effect upon the occlusion is limited. In this case, the patient had 20 supernumerary teeth without other associated diseases or syndromes. All of the supernumerary teeth were impacted, and thirteen of them were found in the premolar region. In the radiographic and clinical finding, other specific complication resulted from the supernumerary teeth weren't observed.

• Advances in pediatric surgery
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• v.15 no.1
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• pp.80-85
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• 2009

Extraosseous Ewing's sarcoma is a rare primary malignant soft tissue tumor which is histologically identical to Ewing's sarcoma. This tumor tends to involve the soft tissue of the lower extremity and paravertebral region of adolescents and young adults but particularly rare in infants. We recently experienced a case of extraosseous Ewing's sarcoma which presented in the left arm of 4 months infant.

• Journal of Dental Anesthesia and Pain Medicine
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• v.15 no.4
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• pp.251-255
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• 2015

Prader-Willi syndrome (PWS) is a rare genetic disorder reported rarely in dentistry. Dental practitioners should know the features of PWS because affected patients have a variety of dental symptoms. The current report describes a case of PWS. An 18-year-old male patient presented with traumatic injuries. Initial emergency treatments were performed under sedation, and further treatments were conducted under general anesthesia. After adequate healing, periodic follow-up and dietary management according to the patient's age and nutritional phase were recommended. Dental management of PWS patients consists of active preventive measures in addition to dietary consultation according to age and nutritional phase.

• Clinical and Experimental Pediatrics
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• v.59 no.sup1
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• pp.107-111
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• 2016

Sex cord tumors with annular tubules are known to originate from the sex cord of embryonic gonads that synthesize Sertoli cells, Leydig cells, granulosa cells, and theca cells of the ovarian stroma, while ovarian small cell carcinoma of the hypercalcemic type is a type of neuroendocrine tumor. Both these tumors are uncommon, potentially malignant neoplasms in children. We report the case of a sex cord tumor with annular tubules in an 11-year-old girl and a case of small cell carcinoma of the hypercalcemic type in a 10-year-old girl. We also discuss the prognosis and management of these tumors.

• Advances in pediatric surgery
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• v.14 no.2
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• pp.196-199
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• 2008

Intraabdominal cystic lymphangioma is an uncommon lesion. It is usually found incidentally in patients presenting with an acute abdomen. Laparoscopic excision of intraabdominal cystic lymphangioma is an easy and safe procedure in children. We report one case of cystic lymphangioma in a 6.year-old female. The lesion was located on the left side of the transverse mesocolon. Laparocopic excision of the cyst was performed without complications.

• Advances in pediatric surgery
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• v.16 no.1
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• pp.43-48
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• 2010

Gastric trichobezoars are commonly observed in young women with trichotillomania and trichophagia. We encountered an 8-year-old girl who had trichotillomania and trichophagia with abdominal pain and a mass, which was diagnosed as a large gastric trichobezoar. On physical examination, a huge, firm nontender mobile mass was palpated in her epigastrium. An upper gastrointestinal series and abdominal computed tomography (CT) scan showed a large mass in the stomach. Endoscopic removal was tried but failed. Laparoscopic removal was therefore performed. The trichobezoar was successfully retrieved through a gastrotomy and removed through an extended umbilical trocar incision. This case demonstrates that laparoscopic removal of large gastric trichobezoars is feasible and safe without a large abdominal incision.

• Advances in pediatric surgery
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• v.13 no.2
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• pp.212-216
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• 2007

Migration of a peritoneal catheter of a ventriculoperitoneal shunt into the scrotum is a rare complication. We treated a case of catheter migration in the scrotum. A 12-year old boy, who had had a ventriculoperitoneal shunt at the age of 4 months due to neonatal hydrocephalus, visited the outpatient clinic because of a right inguinal hernia. On physical examination, a firm mass was found in the left scrotum. Pelvic X-ray demonstrated a coiled catheter in the left scrotum. The catheter was successfully removed by exploring the left patent processus vaginalis after high ligation of the hernia sac. This case suggests a suction action of the patent processus vaginalis and the possibility of catheter migration long after shunt catheter insertion.

• Journal of the korean academy of Pediatric Dentistry
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• v.24 no.2
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• pp.422-427
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• 1997

In the Pediatric Dentalc profession the occurrence rate intrusion of young permanent teeth is rather low, and the treatment method varies from one another. Intrusion of the teeth bring complications to the pulp and periodontal ligament, and thus the possibility of endodontic treatment increases. For the formation of calcific barriers, calcium hydroxide is used in young permanent teeth and this makes the final canal filling possible. In this case report, we will show two cases of young permanent teeth intrusion and the treatment methods to help assess the recognition of treatment for young permanent teeth intrusion.

• Advances in pediatric surgery
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• v.18 no.1
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• pp.30-34
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• 2012

Delayed gastric emptying (DGE) commonly occurs after Nissen fundoplication in patients with gastroesophageal reflux disease. Since the understanding of its pathogenesis is insufficient, an effective method of management has not yet been suggested. The authors report a case of a 16-year-old girl with DGE after laparoscopic Nissen fundoplication and treated with intravenous injection of low dose erythromycin.

• Clinical and Experimental Vaccine Research
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• v.11 no.3
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• pp.290-293
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• 2022

Immune thrombocytopenia (ITP) is an autoimmune disorder characterized by isolated thrombocytopenia. Many viruses and some vaccines have been identified as triggering the autoimmune process, including parvovirus, human immunodeficiency virus, Epstein-Barr virus, rubella, and measles. However, ITP in association with coronavirus disease 2019 (COVID-19) vaccination has not been reported so far. We describe the cases of two young girls affected by ITP presenting a quick reduction of platelet count after receiving Pfizer-BioNTech COVID-19 vaccine.