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A Case of Idiopathic Aortitis with Left Renal Vein Thrombosis
Hyeon Jeong Yun,Jin Uk Jeong,Jong Ho Shin,Jin Ho Choi,Young Min Na,Jin Cheol Myeong,Ki Tae Bang 순천향대학교 순천향의학연구소 2014 Journal of Soonchunhyang Medical Science Vol.20 No.2
A 38-year-old man was admitted to the hospital because of abrupt left flank pain. He had no fever and physical examination revealed tenderness of the left costovertebral angle. Laboratory data revealed white blood cell 16,060/μL, C-reactive protein 0.93 mg/ dL. Urinalysis showed more than 1/2 red cells per high-power field with severe proteinuria (4+). Enhanced computed tomography (CT) showed the thickened abdominal aorta wall with partial thrombus. The thickened aorta wall compressed the left renal vein and it caused left renal vein thrombosis. Abdominal CT findings suggested aortitis of the abdominal aorta with complication of left renal vein. We could exclude other types of aortitis including autoimmune aortitis, Takayasu’s arteritis, giant cell arteritis, and infectious causes based on a serologic test and the history of the patient. Therefore, the patient was diagnosed with idiopathic aortitis and treated with glucocorticoid. After treatment, his symptoms disappeared and a follow-up CT showed decreased mural thickening of the abdominal aorta. Isolated idiopathic aortitis presented with renal vein thrombosis is extremely rare and has not been reported in Korea yet. We present a rare case report on idiopathic aortitis of the abdominal aorta with complication of left renal vein thrombosis.
Hyeon-Jae Shin,Jang-Young Choi,Yu-Seop Park,Min-Mo Koo,Seok-Myeong Jang,Hyungsuk Han IEEE 2014 IEEE transactions on magnetics Vol.50 No.11
<P>This paper examines the effects of the electromagnetic source on the vibration of a double-sided axial permanent magnet generator with a slotless stator depending on the ac and dc-load conditions. The slotless machine has no cogging torque. Most of the vibration originates from the torque ripple and axial force distributions, which result from the current load conditions. The 3-D finite element analysis results are compared with voltage, current, and torque measurements. The order tracking analysis of the vibration test data clearly demonstrates the dependence of the critical harmonics on the load conditions.</P>
A case of cataract surgery using phacoemulsification in a 12-year-old poodle
( Myeong-gon Kang ),( Dong-hyun Han ),( Sei-myoung Han ),( Eun-gyeom Jung ),( Gyeong-min Kim ),( Jae-hyeon Cho ),( Phil-ok Koh ),( Chung-kil Won ),( Chung-hui Kim ),( Dongbin Lee ) 한국동물위생학회 2022 한국동물위생학회지 (KOJVS) Vol.45 No.3
Cataracts occur commonly in older dogs, which can lead to partial or complete vision loss. In the present study, a 12-year-old male poodle presented for evaluation of ocular sinister (OS) cataract. This study was a clinical case report on the process of performing surgery using phacoemulsification (PHACO) and the problems that arise in patient diagnosed with OS cataract. In the oculus dexter (OD), the artificial eye was inserted because there was no electroretinography (ERG) response. In the OS, the ERG was 51.6 μV, so operation was performed because the visual pathway function remained. Slit-lamp biomicroscopy of the OS showed complete loss of vision as a hypermature cataract and that the lens was hardened. During the cataract surgery using PHACO, visco-elastic agents were used to maintain the shape of the eyeball, and the PHACO procedure took 3.13 minutes. The hardened lens and visco-elastic agents were removed from the eye through PHACO surgery, and the operation was completed by inserting an intraocular lens (IOL). As a result of managing IOP for 2 months after surgery, it remained stable at a maximum of 19 mmHg, and no postoperative ocular hypertension (POH) occurred. Currently, one year has passed since the operation, and the dog maintains its daily life with its left eye without any problems.
A case of eczema herpeticum in mycosis fungoides
( Myeong Hyeon Yang ),( Seol Hwa Seong ),( Ji Yun Jang ),( Min Soo Jang ),( Kee Suck Suh ) 대한피부과학회 2018 대한피부과학회 학술발표대회집 Vol.70 No.1
Eczema herpeticum (EH), also known as Kaposi's varicelliform eruption, is characterized by disseminated papulovesicular eruption caused by a herpes simplex virus infection superimposed on a pre-existing dermatosis. The eruption usually occurs in individuals with atopic dermatitis or other pre-existing dermatosis such as Darier's disease, pemphigus foliaceus, and ichthyosis vulgaris. Mycosis fungoides (MF) is the most frequent manifestation of cutaneous T cell lymphoma but its cause and pathophysiology remain unclear. Herpes virus infection occurs not uncommonly in MF patients. However, only a few MF patients with EH have been described. A 58-year-old male presented with erythematous patches and plaques on the face. Two years ago, he was diagnosed with MF stage IIA and he had been receiving treatment including oral retinoid and ultraviolet A-1 therapy. Because the patient suffered from severe pruritus and his lesions had worsened, he was started to treat with topical imiquimod 5% cream 3 times weekly. After applying topical imiquimod 12 times, painful edematous plaques developed on his face. After 3 days, grouped vesicles and erosions developed in the erythematous areas of the face. Tzanck’s smear from a vesicle on his face showed multinucleated giant cells. The diagnosis of EH was thus made. The patient was treated with valacyclovir (3,000 mg/day) for 7 days and the lesion was completely resolved. Herein, we report a case of EH in MF.
( Myeong Hyeon Yang ),( Ji Yun Jang ),( Joon Hee Kim ),( Kang Hoon Lee ),( Hyun Hwangbo ),( Min Soo Jang ),( Kee Suck Suh ) 대한피부과학회 2016 대한피부과학회 학술발표대회집 Vol.68 No.2
Background: Granulomatous rosacea (GR) is a variant of rosacea. Ultraviolet radiation (UVR) is considered to be etiologically related to GR, but its pathogenesis still remains unclear. Although, recent studies suggested that transient receptor potential vanilloid (TRPV) and mast cells are involved in the pathogenesis of rosacea, their role in each variants of rosacea such as GR has not been reported. Objectives: To investigate immunohistochemical expression of MMP-1, -9, TRPV, and CD117 in the GR compared with the non-granulomatous rosacea (NGR) and to test the hypothesis that immunohistochemical expressions of GR would relate with UVR. Methods: Biopsy samples were obtained from 11 patients of GR and 11 patients of NGR. For the analysis, subjects in two groups were age-matched. The sections were stained using hematoxylin and eosin, and antibodies MMP-1, -9, TRPV, and CD117. And expression of antibodies was evaluated with a semi-quantitative scale. Results: The expression of MMP-1, -9, and TRPV was significantly increased in GR lesions compared with NGR lesions (p < 0.05), especially at the center of granulomas. CD117 expression was increased in GR lesions, although difference between the two groups was not statistically significant. Conclusion: We suggest that, in GR lesions, TRPV is associated significantly with granuloma formation as well as MMP-1, -9 in relation to UVR exposure, and mast cells may play an important role in this process.
Myeong Hyeon Kim,Young Min Kim,Kisung Yang 한국재무학회 2019 한국재무학회 학술대회 Vol.2019 No.11
Korea Composite Stock Price Index (KOSPI) has been becalmed for ve years before 2017 due to its narrow movement, being continuously cited as \BOXPI" meanong boxed KOSPI. We endeavor to resolve the BOXPI phenomenon by as- sociating heterogeneities in sensitivity of sector portfolio indices to their devia- tions from the market index with fundamental valuations at the industry level and macroeconomic determinants at the aggregate level. To do so, we derive the theoretical stochastic dynamics of the sector indices capturing sector rotation strategies. Then we estimate the dynamic mean-reversion speed of sector portfolio indices to KOSPI. Finally, we investigate three possible hypotheses from the valu- ation, economic fundamental, and economic policy uncertainty perspectives. Our main nding is that nancial ratios, several macroeconomic properties of a small open economy and uncertainty proxies are proven to be the main determinants to explain the BOXPI. To be specic, the sector rotations turn out to be more sen- sitive to the market variables during the BOXPI period and comove tightly with the economic variables during the non-Boxed period. Our ndings have important implications for market practitioners.