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Solitary Abdominal Tuberculous Lymphadenopathy Misdiagnosed as the Recurrence of Ovarian Cancer
( Un Seok Lee ),( Won Sup Lee ),( Gyeong Won Lee ),( Jung Hun Kang ),( Myung Hee Kang ),( Se Il Go ),( Anna Lee ),( Hoon-gu Kim ) 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Monitoring cancer antigen 125 (CA-125) serum levels is very useful for determining how epithelial ovarian cancer is responding to treatment and for predicting a patient`s prognosis after treatment. An increase in CA-125 levels within patients in a remission is a strong predictor of the recurrence of ovarian cancer. However, while CA-125 is best known as a tumor marker for ovarian cancer, it may also be elevated in other various malignancies and in some benign conditions such as peritonitis, pancreatitis, chronic liver diseases, pelvic inflammatory diseases, or endometriosis. We describe herein a case of solitary intra-abdominal tuberculous lymphadenopathy mimicking a local relapse of epithelial ovarian cancer. A 51-year-old woman presented with progressive rise in serum CA-125. She had been diagnosed with advanced epithelial ovarian malignancy and undergone debulking surgery about 4 years ago. She had been given platinum-based adjuvant chemotherapy and achieved complete remission (CR). During regular follow-up in CR, a progressive rise in serum CA-125 was detected. The abdominal computed tomography (CT) showed a cystic mass, 3.6 cm in diameter, located adjacent to the right common iliac artery, suggesting a metastatic lymph node. We had planned second-look operation in settings of suspected focal recurrence of ovarian cancer, supported by evidence of rising CA-125 levels. However, the suspected tuberculous lesion was detected incidentally on preoperative chest CT. The patient had no symptoms and signs associated with tuberculosis (TB) and chest X-ray was also normal. We postponed the planned second-look operation and anti-TB medication was started. Mycobacterium TB was identified on culture of sputum specimens later. During anti-TB medication, the suspected metastatic isolated intra-abdominal lymphadenopathy improved and serum CA-125 level was also normalized. We emphasize here to consider not only the recurrence or progression of ovarian cancer itself but also benign conditions including TB in their differential diagnoses, when serum CA-125 level increases during the follow-up of epithelial ovarian cancer patients.
Nilotinib-induced interstitial lung disease
( Un Seok Lee ),( Se Il Go ),( Won Sup Lee ),( Gyeong Won Lee ),( Jung Hun Kang ),( Myung Hee Kang ),( Jeong Hee Lee ),( Hoon Gu Kim ) 대한내과학회 2013 대한내과학회 추계학술발표논문집 Vol.2013 No.1
Nilotinib is a second-generation tyrosine kinase inhibitor active in patients with chronic myeloid leukemia (CML) resistant to imatinib, and has been recently approved for newly diagnosed patients. We present a case of nilotinib-induced interstitial lung disease (ILD). A 67-year-old female patient was initially treated with imatinib for chronic-phase Philadelphia chromosomepositive (Ph+) CML. Imatinib was replaced by nilotinib because of hematological toxicity. The patient had received nilotinib for about 3 years without significant adverse effects. She visited the clinic due to chronic cough; chest X-ray revealed consolidations in both lung fields. Nilotinib-induced ILD was diagnosed based on intensive workup, including lung biopsy. She responded dramatically to corticosteroid therapy. To our knowledge, this is the first reported case of nilotinib-induced ILD in a patient with Ph+ CML. We emphasize that if unexplained lung abnormalities progress in patients receiving nilotinib, physicians should consider this potentially fatal complication in their differential diagnoses.
Se Hyun Kim,Do-Un Jung,Do Hoon Kim,Jung Sik Lee,Kyoung-Uk Lee,Seunghee Won,Bong Ju Lee,Sung-Gon Kim,Sungwon Roh,Jong-Ik Park,Minah Kim,Sung Won Jung,Hong Seok Oh,Han-yong Jung,Sang Hoon Kim,Hyun Seung 대한신경정신의학회 2024 PSYCHIATRY INVESTIGATION Vol.21 No.7
Objective This study was performed to evaluate the efficacy and safety of lurasidone (160 mg/day) compared to quetiapine XR (QXR;600 mg/day) in the treatment of acutely psychotic patients with schizophrenia. Methods Patients were randomly assigned to 6 weeks of double-blind treatment with lurasidone 160 mg/day (n=105) or QXR 600 mg/ day (n=105). Primary efficacy measure was the change from baseline to week 6 in Positive and Negative Syndrome Scale (PANSS) total score and Clinical Global Impressions severity (CGI-S) score. Adverse events, body measurements, and laboratory parameters were assessed. Results Lurasidone demonstrated non-inferiority to QXR on the PANSS total score. Adjusted mean±standard error change at week 6 on the PANSS total score was -26.42±2.02 and -27.33±2.01 in the lurasidone and QXR group, respectively. The mean difference score was -0.91 (95% confidence interval -6.35–4.53). The lurasidone group showed a greater reduction in PANSS total and negative subscale on week 1 and a greater reduction in end-point CGI-S score compared to the QXR group. Body weight, body mass index, and waist circumference in the lurasidone group were reduced, with significantly lower mean change compared to QXR. Endpoint changes in glucose, cholesterol, triglycerides, and low-density lipoprotein levels were also significantly lower. The most common adverse drug reactions with lurasidone were akathisia and nausea. Conclusion Lurasidone 160 mg/day was found to be non-inferior to QXR 600 mg/day in the treatment of schizophrenia with comparable efficacy and tolerability. Adverse effects of lurasidone were generally tolerable, and beneficial effects on metabolic parameters can be expected.
Peritoneal dialysis-related peritonitis due to <i>Halomonas hamiltonii</i> : A first case report
Yeo, Se Hwan,Kwak, Jae Hoon,Kim, Yeo Un,Lee, Jin Suk,Kim, Hyo Jin,Park, Kyoung Hwa,Lee, Jung Sook,Ha, Gyoung Yim,Lee, Jeong Ho,Lee, Jun Yeop,Yoo, Kyung Don Williams & Wilkins Co 2016 Medicine Vol.95 No.47
<P><B>Abstract</B></P><P><B>Introduction:</B></P><P><I>Halomonas hamiltonii</I> is a Gram-negative, halophilic, motile, and nonspore-forming rod bacterium. Although most <I>Halomonas</I> sp. are commonly found in saline environments, it has rarely been implicated as a cause of human infection. Herein, the authors present a case report of continuous ambulatory peritoneal dialysis (CAPD)-related peritonitis attributed to <I>H hamiltonii</I>.</P><P><B>Case presentation:</B></P><P>An 82-year-old male patient who had been receiving CAPD therapy presented to an emergency department with complaints of abdominal pain and cloudy dialysate that had persisted for 2 days. The peritoneal dialysate was compatible with CAPD peritonitis, with white blood cell count of peritoneal effluent of 810/mm<SUP>3</SUP> and neutrophils predominated (60%). Two days after culture on blood agar medium, nonhemolytic pink mucoid colonies showed, with cells showing Gram-negative, nonspore-forming rods with a few longer and larger bacilli than usual were found. We also performed biochemical tests and found negative responses in K/K on the triple sugar iron test and H<SUB>2</SUB>S and equivocal (very weak) response in the motility test, but positive responses to catalase, oxidase, and urease tests. The partial sequence of the 16S rRNA gene of a bacterium detected by peritoneal fluid culture was utilized for a Basic Local Alignment Search Tool search, which revealed that the organism was <I>H hamiltonii</I>. Intraperitoneal antibiotics were administered for 21 days, and the patient was discharged without clinical problems.</P><P><B>Conclusion:</B></P><P>We present here the first case report of CAPD-related peritonitis caused by <I>H hamiltonii</I>, which was identified using molecular biological techniques. Although guidelines do not exist for the treatment of infections caused by this organism, conventional treatment for Gram-negative organisms could be effective.</P>
Electromechanical properties of graphene transparent conducting films for flexible electronics
Yong Un Jung,Se-in Oh,좌성훈,Han-Ki Kim,강성준 한국물리학회 2013 Current Applied Physics Vol.13 No.7
We report a systematic study of the electromechanical properties of graphene films for flexible transparent conducting electrodes. The flexibility of graphene films, which were grown using a chemical vapor deposition (CVD) method and transfer process on polyethylene terephthalate (PET) substrates, was investigated using a lab-made inner/outer bending, twisting and stretching test system. The electromechanical properties as a function of the change of bending radius, twisting angle and strain distance were evaluated by measuring the change in resistance. The change in resistance during the inner bending test was less than 8% even when the bending radius was 3 mm. Additionally, the results of the inner bending fatigue test showed a constant resistance throughout 2000 bending cycles. However, in the outer bending test, the resistance increased substantially when the bending radius was smaller than 10 mm. Therefore, we can expect that more cracks form between the grains of graphene during the outer bending test. The twistability and stretchability of the graphene film were also investigated. Both twisting and stretching tests show gradually increasing resistances according to the twisting angle and stretching distance. These results provide useful information regarding the electromechanical properties of graphene transparent conducting films for the development of flexible electronics.
김세희(Se-Hee Kim),곽동일(Dong-Il Kwak),정세운(Se-Un Jung),최종호(Jong-ho Choi),김정훈(Joung-Hun Kim) 한국항공우주학회 2013 韓國航空宇宙學會誌 Vol.41 No.6
한국형 기동헬기는 블레이드 가진주파수를 회피하고 지상 운용에서 로터와 기체의 동적 특성이 연계되어 나타나는 불안정성이 없도록 설계되었다. 이러한 설계 목적을 위해 진동 해석과 지상공진 해석을 수행하여 기체와 주로터의 동적 특성을 분석하였다. 이후 훨타워 시험을 통해 주로터의 동적특성을 확인하였으며 지상진동시험을 통해 기체의 동적 특성을 확인하였다. 지상진동시험은 지상 및 비행 운용 조건이 고려된 시험체 구성과 시험 조건을 적용하여 수행되었다. 본 논문에서는 한국형 기동헬기에 적용된 지상진동시험 방법 및 분석 기법을 보이고 해석 모델 보정기법과 보정된 해석 결과를 제시한다. Korean Utility Helicopter (KUH) has been designed to avoid the blade passing frequency and any instability due to a coupling of dynamic characteristics between the main rotor and the airframe in ground operation. For these design objectives, the vibration analysis and the ground resonance analysis were performed to analyze the dynamic characteristics of the airframe and the main rotor. Then, the whirl-tower test was conducted to identify the dynamic characteristics of the main rotor and the ground vibration test (GVT) was conducted to identify the dynamic characteristics of the airframe. The GVT for KUH was conducted with the test conditions and test articles established in consideration of each flight and ground condition. This paper shows the method and technique for performing the GVT for KUH and presents the correlation technique and the results for the correlated analysis model.