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Tuberculous Empyema Necessitatis with Osteomyelitis, a Rare Case in the 21<sup>st</sup> Century
김한울,임고운,조혜경,이현주,원태희,박경운,김경효,Kim, Han Wool,Lim, Goh-Woon,Cho, Hye Kyung,Lee, Hyunju,Won, Tae Hee,Park, Kyoung Un,Kim, Kyung-Hyo The Korean Society of Pediatric Infectious Disease 2011 Pediatric Infection and Vaccine Vol.18 No.1
흉벽 천공성 농흉(Empyema necessitatis)은 농흉이 흉막 외의 공간으로 확장되어 나간 것을 말한다. 결핵성 흉벽 천공성 농흉은 결핵의 드문 합병증으로서 특히 소아에서는 더욱 드물다. 본 저자들은 결핵에 노출된 병력이 없던 21개월 남자아이에서 7번째 늑골의 골수염에 동반된 결핵성 흉벽천공성 농흉을 경험하여 이에 대해 보고한다. 우리는 환자의 진단과 치료를 위해 수술적 치료를 시행하였고, 조직을 이용한 PCR 및 분자생물학적 검사에서 M. tuberculosis complex를 확인하여 항결핵제를 이용해 합병증 없이 치료하였다. Empyema necessitatis refers to empyema that extends into the extrapleural space through a defect in the pleural surface. Tuberculous empyema necessitatis is a rare complication of tuberculosis. We experienced a 21-month-old boy with tuberculous empyema necessitatis with osteomyelitis in the right $7^{th}$ rib. He presented with a mass on the right lateral chest wall, which was soft and nontender, enlarging for one month. He also had mild fever. The plain radiograph of his chest revealed soft tissue swelling and calcified lymph node on the left axilla, and his PPD skin test was positive. CT scan of the chest showed empyema necessitatis at the right lower chest and upper abdominal walls with osteomyelitis of the right $7^{th}$ rib. He did not have concurrent pulmonary tuberculosis. Surgery was performed for diagnosis and treatment. In histopathologic findings, chronic granulomatous inflammation with caseation necrosis was shown and was positive for acid fast bacilli stain. In addition, M. tuberculosis complex was found as etiology by polymerase chain reaction. The patient has been treated with anti-tuberculous medication without any specific complication.
김한울,이소영,이미애,김경효 대한소아감염학회 2015 Pediatric Infection and Vaccine Vol.22 No.2
Purpose: Serotyping pneumococcal isolates is important to monitor efficacy of pneumococcal vaccines. Because of difficulties of typing pnueumocci, a multiplex bead-based (multibead) serotyping assay was recently introduced. The aim of this study is to establish a new multibead serotyping assay and to apply this method to analyze clinical isolates of pneumococci in Korea. Methods: To establish the multibead serotyping assay, six key reagents were transferred from University of Alabama at Birmingham (UAB) to Ewha Center for Vaccine Evaluation and Study (ECVES): bead set coated with polysaccharide and monoclonal antibody pool were used in one multiplex inhibition-type immunoassay and 2 bead sets coated DNA probe and 2 primer pools were used in two multiplex PCR-based assays. After multibead serotyping assay was set up, 75 test samples of pneumococci were analyzed whether ECVES is able to identify serotype correctly. After confirming the performance, serotyping assay was applied to identify serotypes of 528 clinical isolates of pneumococci collected from 3 different hospitals. Results: After establishment of the multibead pneumococcal serotyping assay system at ECVES, 75 test samples were analyzed. There was no discrepancy of serotypes of 75 test samples between the results assigned at UAB and those at ECVES. The serotypes of 528 pneumococci isolated from patients or healthy subjects were determined in 94.3% of isolates (498/528). Conclusions: The multibead pneumococcal serotyping assay can be successfully established in Korea. With this method, surveillance of serotypes of pneumococci isolated from patients as well as healthy subjects could be studied. 목적: 폐구균의 혈청형 분석은 백신의 효능을 평가하고 감시하는데 매우 중요하다. 그러나 폐구균의 혈청형 분석이 힘들기 때문에 최근 라텍스 구슬과 흐름세포측정기를 이용한 다중구슬 혈청형 분석법이 소개되었다. 이 연구에서는 새로운 혈청형 분석법을 이화백신연구센터에서 구축하고 실제 임상 검체들에 적용해보았다. 방법: 라텍스 구슬 3종과 폐구균 피막다당 특이 단클론항체 1가지, 시동체 2종을 Univerisity of Alabama at Birmingham에서 제공 받았다. 이 시료들을 이용하여 단클론항체와 wzy 다중 PCR을 이용한 다중구슬 혈청형 분석법을 확립하였다. 그리고 75개의 혈청형이 알려져 있는 검체를 이용하여 이화백신효능연구센터에 확립된 다중구슬 혈청형 분석법의 정확도를 보았고 이를 토대로 528개의 임상 검체를 분석해 보았다. 결과: 다중구슬 혈청형 분석법은 이화백신효능연구센터에 안정적으로 확립되었다. 75종의 이미 혈청형이 알려져 있는 검체를 암호화하여 분석한 결과 전부 일치하여 정확도가 높음을 보여 주었고 실제 임상 검체에도 적용한 결과 94.3% (498/528)에서 혈청형을 확인할 수 있었다. 결론: 다중구슬 분석법은 다수의 혈청형을 쉽고 빠르게 한번에 많은 수의 검체를 확인할 수 있는 객관적인 검사 방법으로 향후 임상적 진단과 역학연구 등의 폐구균의 혈청형 분석에 유용하게 사용될 수 있을 것이다.
김한울,이지현,조혜경,이현주,서호성,이소영,김경효 대한의학회 2017 Journal of Korean medical science Vol.32 No.5
Group B streptococcus (GBS) infection is a leading cause of sepsis and meningitis among infants, and is associated with high rates of morbidity and mortality in many countries. Protection against GBS typically involves antibody-mediated opsonization by phagocytes and complement components. The present study evaluated serotype-specific functional antibodies to GBS among Korean infants and in intravenous immunoglobulin (IVIG) products. An opsonophagocytic killing assay (OPA) was used to calculate the opsonization indices (OIs) of functional antibodies to serotypes Ia, Ib, and III in 19 IVIG products from 5 international manufacturers and among 98 Korean infants (age: 0–11 months). The GBS Ia, Ib, and III serotypes were selected because they are included in a trivalent GBS vaccine formulation that is being developed. The OI values for the IVIG products were 635–5,706 (serotype Ia), 488–1,421 (serotype Ib), and 962–3,315 (serotype III), and none of the IVIG lots exhibited undetectable OI values (< 4). The geometric mean OI values were similar for all 3 serotypes when we compared the Korean manufacturers. The seropositive rate among infants was significantly lower for serotype Ia (18.4%), compared to serotype Ib and serotype III (both, 38.8%). Infant age of ≥ 3 months was positively correlated with the seropositive rates for each serotype. Therefore, only a limited proportion of infants exhibited protective immunity against serotype Ia, Ib, and III GBS infections. IVIG products that exhibit high antibody titers may be a useful therapeutic or preventive measure for infants. Further studies are needed to evaluate additional serotypes and age groups.
2P-549 Inhibition of methanol oxidation reaction of monocyclic cation structure based ILs
김한울,김영규,김미주,이병일,김성준,성영은 한국공업화학회 2017 한국공업화학회 연구논문 초록집 Vol.2017 No.1
Ionic liquids (ILs) are defined as ionic species that melt below 100°C. ILs have unique properties, for example, ionic conductivity, high thermal stability and non-volatility. They have been used in various fields such as electrolytes, green solvents. Using various ILs, we tested methanol oxidation reaction activity in direct methanol fuel cell cathode. Herein, we will present MOR activity data of ILs for structure-activity relationship(SAR) study.
A review of the genus Termioptycha Meyrick (Lepidoptera: Pyralidae: Epipaschiinae) from Korea
김한울,이탁기,장창문,김정남,Ulziijargal Bayarsaikhan,배양섭 국립중앙과학관 2023 Journal of Asia-Pacific Biodiversity Vol.16 No.4
The genus Termioptycha Meyrick, 1889, of Korea is reviewed, with five described species; among them, Termioptycha eucarta (Felder and Rogenhofer 1875) is recorded from Korea for the first time. A key to Korean species of the genus Termioptycha and illustrations of adults and genitalia are provided.