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Analysis of acne-related judicial precedents from 1997 to 2018 in South Korea
( Ji Hoon Yang ),( Soo Ick Cho ),( Su Hwan Shin ),( Won Lee ),( So Yoon Kim ),( Dae Hun Suh ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.2
Background: Medicolegal disputes are increasing in practical medicine. Acne is a common problem but is usually related to cosmetic problems such as acne scars. Medications or procedures related to acne could lead to medical malpractice. Objectives: To analyze medical litigation associated with acne or acne scar in South Korea. Methods: Acne-related judgements were searched using the Supreme Court of Korea’s Written Judgment Management System based on the keywords “acne” or “acne scar.” Results: Eleven cases were selected as litigated cases of acne or acne scar. Eight cases (72.7%) were related to acne scar and three (27.3%) were related to acne. Treatment modalities such as peeling (n = 6), laser treatment (n = 3), photodynamic therapy (n = 1), and antibiotic (n = 1) resulted in lawsuit. Claimed sequelae of the treatment were hyperpigmentation (n = 5), scar worsening (n = 5), erythema (n = 3), skin bumps (n = 1), and liver transplant (n = 1). Eight cases (72.7%) were awarded to the plaintiff, and the others were dismissed. The average awarded amount was 16,801,324± 24,452,486 (mean±standard deviation) Korean Won. Conclusion: Various treatments for acne or acne scar can cause medical disputes. Unnecessary litigation could be prevented if simple measures such as history taking, choosing proper procedure, and adequate management after the procedure along with sufficient informed consent were performed.
A case of calcinosis cutis of the fingertip
( Ji Youn Hong ),( Ji Su Lee ),( Sung Min Kim ),( Jin Hee Kim ),( Joo Ran Hong ),( Hye In Cheon ),( Min Seok Hur ),( Yang Won Lee ),( Yong Beom Choe ),( Kyu Joong Ahn ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.1
A 31-year-old male patient presented our clinic with a 3-month history of a yellowish globular-shaped subcutaneous firm nodule on right third fingertip. He complained of perilesional pain but had no systemic symptoms. He denied any history of trauma in the lesion, and medical past history. A biopsy was performed under clinical suspicion of glomus tumor. The lesion was totally excised, and histopathological examination revealed the presence of calcified deposits in the dermis. Moreover, laboratory examination, including renal function tests, serum calcium and phosphorus showed no abnormality. Idiopathic calcinosis cutis is an uncommon disorder, which is cutaneous calcification without underlying tissue injury or metabolic disorder. Tumoral calcinosis is a type of idiopathic calcinosis cutis, which usually occurs around the large joints, but rare in the fingers. Subepidermal calcified nodule is an another type of idiopathic calcinosis cutis. It is characterized by solitary hard papules on the head and extremities, which is frequently occurs in children. The other type of idiopathic calcinosis cutis is scrotal calcinosis. We herein report the case of idiopathic calcinosis cutis presenting with atypical manifestation, which occurs in fingertip of healthy male adult.
Yang, Hwa-Young,Lee, Sang Hun,Kim, Hyung-Mo,Pham, Xuan-Hung,Hahm, Eunil,Kang, Eun Ji,Kim, Tae Han,Ha, Yuna,Jun, Bong-Hyun,Rho, Won-Yeop Elsevier 2019 Journal of industrial and engineering chemistry Vol.80 No.-
<P><B>Abstract</B></P> <P>Au nanoparticles (NPs) were incorporated into the channels of freestanding TiO<SUB>2</SUB> nanotube arrays (TNTAs) by an electrodeposition method and then applied to dye-sensitized solar cells (DSSCs) for light harvesting to improve the power conversion efficiency (PCE). The average size of Au NPs incorporated into TNTA channels was approximately 70nm, and the extinction of the Au NPs by UV–vis spectra was approximately 530nm, which is similar to the absorbance of the ruthenium dye (N719) used in DSSCs. The PCE of DSSCs based on TNTAs containing Au NPs increased to 6.80% from a PCE of 5.66% without Au NPs, an enhancement of 20.14% owing to light harvesting from the NP plasmonic and charging effects. However, the PCE of DSSCs based on TNTAs with excess Au NPs decreased from 6.80% to 5.49% due to aggregation of the Au NPs, which led to a decreased open-circuit voltage and fill factor.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Incorporation of Au nanoparticles in the channel of TiO<SUB>2</SUB> nanotube arrays. </LI> <LI> Application of incorporation of Au nanoparticles in DSSCs. </LI> <LI> The plasmonic and charging effects of DSSCs by Au nanoparticles. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
( Won Yong Cho ),( Sung Yoon Lim ),( Ji Hyun Yang ),( Se Won Oh ),( Myung-gyu Kim ),( Sang-kyung Jo ) 대한내과학회 2020 The Korean Journal of Internal Medicine Vol.35 No.3
Background/Aims: Urinary tissue inhibitor of metalloproteinase-2 (TIMP-2) and insulin-like growth factor-binding protein 7 (IGFBP7) have been recently discovered and validated as sensitive biomarkers that can predict stage 2 or 3 acute kidney injury (AKI) development in high-risk patients. We aimed to assess whether these biomarkers could predict adverse outcomes and renal recovery in established AKI patients. Methods: This was a single-center study prospectively enrolling 124 patients diagnosed with AKI. TIMP-2, IGFBP7, neutrophil gelatinase-associated lipocalin (NGAL), and kidney injury molecule 1 (KIM-1) levels were measured at the time of diagnosis and the predictive performance of short-term outcomes and renal recovery was assessed. Results: Patients were divided into 4 quartiles according to the initial urinary TIMP-2/IGFBP7 levels. Stage 3 AKI (odds ratio [OR], 17.86), classified by the Kidney Disease Improving Global Outcomes (KDIGO), as well as the third and fourth quartiles of TIMP-2/IGFBP7 (OR, 5.75 and 44.98, respectively), were found to be independent predictors of renal replacement therapy at the time of AKI diagnosis. In addition, KDIGO stage 3 AKI (OR, 2.468) or the third of fourth quartiles of urinary TIMP-2/IGFBP7 (OR, 1.896 and 3.622, respectively) were also found to be useful in predicting nonrecovery of renal function. In a separate analysis of patients with renal recovery at discharge, initial urinary TIMP-2/IGFBP7 or urinary IGFBP7 at discharge could also predict new-onset or progressive chronic kidney disease (CKD). Conclusions: In AKI patients, urine TIMP-2/IGFBP7 could serve as a biomarker for predicting adverse outcomes, renal recovery, or the development and progression of CKD.