• Journal of the korean academy of Pediatric Dentistry
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• v.39 no.4
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• pp.339-347
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• 2012

There still remains a controversial debate whether facial skeletal morphological differences exist between patients with nasal and mouth breathing habits. The aim of this study is to assess a relationship between over a period of time mouth breathing and facial skeletal morphology by analyzing lateral cephalometric radiographs of patients with nasal or mouth breathing habits. A total of 120 patients with skeletal class I, II, and III, who had undergone orthodontic diagnosis in department of pediatric dentistry - chonbuk national university, were chosen and their lateral cephalometric radiographs were analyzed. These patients were divided into six groups of 20, each with or without mouth breathing habits. The result of this study has not showed noticeable differences in cephalometric measurements between nasal and mouth breathing children of skeletal class I, II, and III (p > 0.05). However, when the groups were divided by age factor, mouth breathers of age 12 and older showed significant differences in cephalometrics such as decreased ramus height, maxillary retrusion, and clockwise pattern of mandible than children under age 12 (p < 0.05). In conclusion, a longer period of mouth-breathing habits in children displayed a greater chance of impaired facial growth.

• Journal of the korean academy of Pediatric Dentistry
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• v.42 no.2
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• pp.144-150
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• 2015

Early treatment is recommended for class III malocclusion in the primary dentition, though it is difficult to diagnose correctly. It was recommended dental maturation can possibly be used to make a differential diagnosis of skeletal class III malocclusion. This study aimed to compare dental maturation of first molars in children with skeletal or non-skeletal class III malocclusion in the primary dentition and to determine if dental maturation could be used to make a differential diagnosis of class III malocclusion. Among the children visiting the department of pediatric dentistry in Pusan National University Dental Hospital for anterior crossbite in the primary dentition, 18 were categorized into the non-skeletal class III malocclusion and 34 into the skeletal class III malocclusion. Panoramic radiographs were used to make comparative analysis of dental age and the eruption rate of the first molars. The following results were obtained. No difference was found between chronologic and dental age by the skeletal features or gender, with the latter being older than the former (p < 0.05). The discrepancies in eruption rate of first molars were significantly different between skeletal (18.91%) and non-skeletal groups (16.53%) (p < 0.05). This result implies that maturation of the first molars might be used to make a differential diagnosis of class III malocclusion.

• Journal of Korean Neurosurgical Society
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• v.57 no.4
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• pp.276-282
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• 2015

Objective : The purpose of this study was to investigate morphological change at the craniovertebral junction (CVJ) region using computed tomography. Methods : A total of 238 patients were included in this study, and mean age was $47.8{\pm}21.3months$. Spinal canal diameter, Power's ratio, McRae line, antero-posterior C1 ring height, atlantoaxial joint space, C2 growth, epidural space from the dens (M-PB-C2) and longitudinal distance (basion to C2 lower margin, B-C2) were measured. The mean value of each parameter was assessed for individual age groups. The cohorts were then divided into three larger age groups : infancy (I) (${\leq}2years$), very early (VE) childhood (2-5 years) and early (E) childhood ($5{\geq}years$). Results : Spinal canal diameter increased with age; however, this value did not increase with statistical significance after VE age. A significant age-related difference was found for all C2 body and odontoid parameters (p<0.05). Mean McRae line was 8.5, 8, and 7.5 mm in the I, VE, and E groups, respectively. The M-PB-C2 line showed up-and-down dynamic change during early pediatric periods. Conclusion : Expansion of the spinal canal was restricted to the very early childhood period (less than 5 years) in the CVJ region; however, the C2 body and odontoid process increased continuously with age. The above results induced a dynamic change in the M-PB-C2 line. Although C2 longitudinal growth continued with age, the McRae line showed relatively little change.

• Journal of Chest Surgery
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• v.13 no.4
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• pp.475-485
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• 1980

For the past 5 year 6 months from January 1975 to June 1980, 176 patients with empyema have been treated in Chonnam University Hospital. They were 134 males and 42 females ranging from ] 8 days to 69 years of age. [mean age: 26.1 years] The duration of illness prior to treatment was relatively shorter in pediatric group than in adult group, that is, the duration of less than 1 month was 89.5% in pediatric group and 38.0% in adult group. In bacteria study there were Staphylococcus 26.1%, Streptococcus 17.6%, E. coil 10.8%, Pseudomonas 10.8%, Diplococcus pneumoniae 5.7% and Candidia. And 4 children and 3 adults had infections of two species of bacteria. The underlying pathologic lesions were pyogenic pneumonia 34.7%, tuberculosis 29.5%, paragonimiasis 15.3%, trauma 9.7% and postoperative state. The over-all mortality rate was 1.7% [3 patients]. The causes of death were sepsis In 1 child and sepsis secondary to esophageal fistula in 2 adults. Adequate drainage and obliteration of the pleural space seems to be the most important aspect of treatment and can frequently be achieved by initial tube drainage in acute empyema, especially in the pediatric group. The chronic thick walled or loculated cavities required open window therapy, decortication, resection therapy and sterilization. Modified Eloesser`s operation and 0.3-0.5% potadine irrigation brought good result in the patients who had general weakness, marked pulmonary parenchymal destruction due to pyothorax, and pyothorax with severe bronchopleural fistula.

• Journal of the korean academy of Pediatric Dentistry
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• v.21 no.2
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• pp.456-462
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• 1994

The purpose of this study was to investigate the relationship between the caries experience and anxiety level to the dentist in the preschool children. 511 preschool children were brought to the dental hospital and examined for caries experience. Caries experience was measured as dDT index, fFT index, dDfFT index, dDT rate, and fFT rate. Children were requested to draw a dentist. Drawings were analyzed by the method of Human Figure Drawing Anxiety Score. Pearson correlation coefficents and their significance were calculated between caries experience and anxiety scores. There were significant negative correlation between fFT index and anxiety scores, between dDfFT index and anxiety scores, and between fFT rate and anxiety scores. There was significant positive correlation between dDT rate and anxiety scores. The results seemed to suggest that dental treatment experience reduced children's anxiety toward dentists. But, because there was obvious negative correlation between age and anxiety scores, age factor should be considered in the interpretation of the results.

• Journal of Korean Neurosurgical Society
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• v.50 no.6
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• pp.535-537
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• 2011

Recently, combination of surgery and radiation therapy (RT) has been recommended in the treatment of craniopharyngioma. RT could be associated with late complications, including vasculopathy. We report two cases of the moyamoya syndrome seen in children with craniopharyngioma who received RT after surgical resection. Thirty-five patients in pediatric age with craniopharyngioma were surgically treated. Fifteen out of 35 patients underwent surgical resection followed by RT or gamma knife surgery. Two of the 15 were found to have symptoms of transient ischemic attack and were diagnosed as moyamoya syndrome through the cerebral angiography. Age at RT was 4 and 13 years, respectively. The latent period for development of the moyamoya syndrome was 27 months and 3 years, respectively, after RT. The RT dose of both patients was 54 Gy. These two patients received bilateral encephaloduroarteriosynangiosis procedures. We report here these two cases of radiation-induced moyamoya syndrome in pediatric craniopharyngioma. Pediatric patients with craniopharyngioma who received RT should be reminded, during follow-up, about the risk of development of the moyamoya syndrome.

• Advances in pediatric surgery
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• v.2 no.2
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• pp.88-93
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• 1996

A clinical analysis was made of 42 pilomatricoma in 34 children treated, from January 1980 to August 1996 at the Department of Pediatric Surgery, Hanyang University. The gender ratio was 13 to 21 with female preponderance. The average age at presentation was 7 years 3 months(range 8 months to 19 years old). The time average interval from onset to excision was 9.8 months. The predilection site was neck, upper extremities, face, trunk and lower extremities in the decreasing order of frequency. The masses were less than 3cm in diameter and there was no correlation between age at presentation and size of the mass. Of the six children with multiple lesions, two presented with multiple lesions initially and four presented with second lesion metachronously after excision of the primary lesions. Two girls had cysticercosis and von Recklinghausen's disease respectively in association with a pilomatricoma. All lesions were encapsulated subcutaneous masses which were clearly distinguished from surrounding tissue, and 4 of them had pigmentation, ulceration, skin disruption and hemorrhagic changes in the overlying skin. Microscopically the mass was composed of basophilic cells and eosinophilic shadow cells. Calcification, foreign body giant cell, ossification, focal cystic, inflammatory or necrotic changes were also seen.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• v.16 no.1
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• pp.49-52
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• 2013

Antral web is a rare cause of gastric outlet obstruction in neonate. It is a 2-4 mm thin mucous membrane that can be found anywhere from 1 to 7 cm proximal to the pylorus. The baby was born at gestational age of $32^{+1}$ weeks with 1,880 g as 2nd baby of dizygotic twin. After birth, the baby had constant non-bilious vomiting without feeding while he didn't show abdominal distension or discoloration. The infantogram showed distended stomach with distal small bowel gas. Upper gastrointestinal series revealed that the antrum was abruptly narrowed at 1 cm proximal to pylorus. We performed laparotomy at the 10th day after birth and excised the 2 mm-thick web circumferentially. He began milk feeding after 6 days and discharged uneventfully at postoperative 35 days with corrected age of $38^{+4}$ weeks with body weight 2,420 g. The antral web should be considered in the case of non-bilious vomiting in neonate.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• v.14 no.1
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• pp.33-44
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• 2011

The influence of nutrition during early life on physical growth as well as mental development has been thoroughly discussed in the literature. The physical dimensions of the body are greatly influenced by nutrition, particularly during the period of rapid growth in early childhood. Nutritional status affects every pediatric patient's response toillness. Good nutrition is important for achieving normal growth and development. It is indicated that permanent impairment of the central nervous system may result from dietary restriction of imbalance during certain periods of life. If children under 3 years of age show a good nutritional status, it may be assumed that they are well nourished. Several common diseases of children such as iron deficiency, chronic constipation and atopic dermatitis are known food related diseases. Patients with chronic illness and those at risk of malnutrition should have detailed nutritional assessments done. Components of a complete nutritional assessment include a medical history, nutritional history including dietary intake, physical examination, anthropometrics (weight, length or stature, head circumference, midarm circumference, and triceps skinfold thickness), pubertal staging, skeletal maturity staging, and biochemical tests of nutritional status. The use of age, gender, and disease-specific growth charts is essential in assessing nutritional status and monitoring nutrition interventions. Nutrition assessment and dietary counseling is helpful for the cure of disease, and moreover, the prevention of illness.

• Clinical and Experimental Pediatrics
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• v.63 no.5
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• pp.171-177
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• 2020

Low-grade epilepsy-associated neuroepithelial tumors (LEATs) are responsible for drug-resistant chronic focal epilepsy, and are the second-most common reason for epilepsy surgery in children. LEATs are extremely responsive to surgical treatment, and therefore epilepsy surgery should be considered as a treatment option for LEATs. However, the optimal time for surgery remains controversial, and surgeries are often delayed. In this review, we reviewed published article on the factors associated with seizure and cognitive outcomes after epilepsy surgery for LEATs in children to help clinicians in their decision whether to pursue epilepsy surgery for LEATs. The achievement of gross total resection may be the most important prognostic factor for seizure freedom. A shorter duration of epilepsy, a younger age at surgery, and extended resection of temporal lobe tumors have also been suggested as favorable prognostic factors in terms of seizure control. Poor cognitive function in children with LEATs is associated with a longer duration of epilepsy and a younger age at seizure onset.