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만성 감초 중독으로 유발된 미네랄코르티코이드 과잉증후군 1예
임영재,김지은 대한임상독성학회 2023 대한임상독성학회지 Vol.21 No.2
Licorice is a perennial herb belonging to the legume family that mainly grows in northeastern China,Mongolia, Siberia, and other regions. It is used in traditional medicine in the form of dried roots in theEast and the West. The main active component of licorice, glycyrrhizin, is known to produce mineralocor ticoid effects when consumed chronically, which can lead to apparent mineralocorticoid excess syn drome. Herein, we present the case of a 72-year-old woman who was admitted to the emergency roomwith severe generalized weakness and difficulty keeping her neck upright, which had developed after dai ly consumption of licorice-infused water for the past 2 months. Blood tests revealed metabolic alkalosisand severe hypokalemia, and an electrocardiogram showed ventricular bigeminy. The patient was treatedwith daily potassium and spironolactone supplements, leading to a significant improvement in musclestrength after a week. One week later, the patient was discharged, showing rare ventricular prematurecontractions on electrocardiography, but with no specific complaints. Chronic licorice ingestion leadingto hypokalemia and muscle weakness can be life-threatening, necessitating the discontinuation of thecausative agent, close monitoring, and cautious supplementation of potassium and spironolactone astreatment.
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임영재,조강우,나군호,조남훈 대한비뇨의학회 2005 Investigative and Clinical Urology Vol.46 No.3
Metanephric adenoma is rare renal adenoma. In some cases, it is difficult to distinguish from other renal neoplasms such as Wilms' tumor or renal cell carcinoma on the basis of clinical and histologic findings. A unique case of metanephric adenoma of left kidney is reported in 35-year-old foreign woman presenting with intermittent left flank pain for 3 months. Computed tomography revealed a heterogeneous enhanced mass, 7.5x 6.8cm in diameter, at the lower pole of the left kidney. Laparoscopic radical nephrectomy was performed under the clinical impression of hypovascular renal cell carcinoma or oncocytoma. The resected mass, measuring 8x7cm, was well circumscribed and its cut surface was tan-pink. Microscopically, the tumor cells had small scant cytoplasms, containing round and uniform nuclei. There was no mitosis or cellular atypia indicating a malignant transformation. The histological diagnosis was metanephric adenoma. The patient was healthy without recurrence or metastasis 6 months after surgery.
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임영재,조성욱 한국경영법률학회 2003 經營法律 Vol.13 No.2
The Monopoly Regulation and Fair Trade Act (MRTFA) argues that curbing the concentration of economic powers is one of its legislative purposes. For this purpose MRFTA has several policy tools targeted at the chaebol-affiliated companies: ceilings on equity investment, restrictions on mutual debt guarantees, restrictions on reciprocal equity investment, etc. This paper examines the economic effects of these policy tools in MRTFA and tries to draw an implication on whether MRTFA should keep these chaebol-related policy tools in the future. It is also examined whether other legislations such as Commercial Code or Securities Exchange Act could replace MRFTA in achieving the same legislative purpose.
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Time Course of Treatment for Primary Enuresis With Overactive Bladder
임영재,이정근,박관진 대한배뇨장애요실금학회 2018 International Neurourology Journal Vol.22 No.2
Purpose: To characterize the course of treatment for nonmonosymptomatic enuresis with overactive bladder (OAB) in a real clinical setting. Methods: Data from 111 OAB patients with moderate to severe enuresis were analyzed. The baseline analysis included a questionnaire, voiding diary, uroflowmetry with postvoid residual urine measurement, and plain abdominal radiography of the kidneys, ureters, and bladder (KUB). Following standard urotherapy for 1 month, anticholinergic medication was administered with or without laxatives. Desmopressin was added if there was a partial response to OAB. Patients were followed every 3 months to evaluate the status of OAB and enuresis. Multivariate analysis was performed to identify predictors associated with the lack of complete response (CR) in enuresis at 12 months. Results: Following 12 months of treatment, 64% and 88% of patients experienced at least partial response in enuresis and OAB, respectively. Urgency improved more quickly than enuresis, supporting the need to address daytime symptoms before enuresis. Seventy-nine patients (71%) had fecal impaction on KUB and/or subjective constipation. The combination of anticholinergics with either laxatives or desmopressin fared better than anticholinergics alone. Daytime incontinence and anticholinergics- only treatment were associated with a lack of CR during 12 months of treatment. Conclusions: The data confirmed the validity of addressing OAB before treating enuresis. The results of this study also highlight the need to address fecal impaction. Patients should be counseled about the need for a prolonged course of treatment before starting treatment. Anticholinergics should be accompanied with either desmopressin or laxatives for better control of enuresis.
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임영재,김보라,장설봉,김용수 한국지능시스템학회 2019 한국지능시스템학회논문지 Vol.29 No.6
A Pneumothorax is an abnormal collection of air in the space between lung and chest wall and is diagnosed using chest X-ray. Preprocessings, such as the eliminaton of missing value and masking, were performed. Performances of U-Net, Mask R-CNN, Resnet, EfficientNet and Xception for diagnosing pneumothorax are compared. U-Net uses semantic segmentation and Mask R-CNN uses instance segmentation. Semantic segmentation uses a class as the unit of segmentation. Therefore, objects in the same class are denoted using the same color on the prediction mask. On the other hand, instance segmentation uses object as the unit of segmentation. Therefore, objects in the same class are denoted using the different color on the prediction mask, if they belong to the different objects. EfficientNet got the best result. It can be efficiently used because it performs well enough to assist for physicians to diagnose pneumothorax using the chest X-ray 기흉은 가슴에 공기가 차는 것으로, 일반적으로 흉부 엑스레이를 사용하여 진단한다. 데이터 전처리를 하였고, 전처리방법으로는 결측값 제거 및 마스킹을 하였다. 최근에 와서 심층신경망의 성능이 개선됨에 따라서 활발히 사용되고 있고, 특히 영상인식에 적용되어 기존의 방법에 비하여 향상된 성능을 보이고 있다.기흉을 진단하는데 U-Net, Mask R-CNN, Resnet, EfficientNet, Xception을 사용하였으며, 이 심층 신경 회로망들의 성능을 비교하였다. U-Net은 Sementic Segmentation을사용하였고, Mask R-CNN은 Instance Segmentation을 사용하였다. Sementic Segmentation은 분할의 기본 단위를 클래스로하여, 동일한 클래스에 속하는 사물은 예측마스크 상에 동일한 색깔로 표시한다. Instance Segmentation은 분할의 기본단위를 사물로 하여, 동일한 클래스에 속하더 라도 다른 사물에 해당하면 예측 마스크 상에 다른 색깔로 표시한다. 실험 결과EfficientNet의 성능이 가장 좋았다. 이는 의사의 기흉 진단을 보조하기에 충분한 성능으로 의사를 도와 기흉을 진단하는데효율적으로 이용 될 수 있다.
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