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이정규,전지현,김민정,이규재,김한겸,조현득,채양석 大韓法醫學會 1999 대한법의학회지 Vol.23 No.2
Although it is known that hypothyroidism can cause cardiac dysfunction, it is very hard to find a case report on sudden death due to hypothyroidism. There are only two reported cases on mediline; one is about a 15-year-old girl who died suddenly of Hashimoto's thyroiditis and the other is about a 31-year-old man who also died suddenly of hypothyroidism associated with chronic lymphocytic thyroiditis. Recently we found a young woman who unexpectedly died while she was sleeping. She was diagnosed as hypothyroidism when she went to hospital about a month before she died. At autopsy there were roughly four abnormal findings; Hashimoto's thyroiditis, mild chronic active hepatitis, diverticulosis and accessory spleen. Trace of chlorpheniramine was detected in gastric remains and blood alcohol level was 0.37 percent. To our knowledge, this is the first case reporting sudden and unexpected natural death associated with hypothyroidism in Korea.
( Jie Hyun Jeon ),( Joo Ha Kim ),( Jae Woo Ahn ),( Hae Jun Song ) 대한피부과학회 2015 Annals of Dermatology Vol.27 No.3
Poikiloderma vasculare atrophicans (PVA) is a rare poikilodermatous variant of early-stage mycosis fungoides characterized by generalized poikiloderma, atrophy, mottled dyspigmentation, and telangiectasia. In 2001, a 14-year-old male presented with asymptomatic brownish-gray polymorphic macules throughout the body with flexural accentuation. A skin biopsy showed increased melanophages with focal hydropic changes. Ashy dermatosis was considered a possible diagnosis. In 2005, the lesions began to show darkening and lichenification in the lower part of the trunk. In 2011, his skin showed definite poikilodermatous changes, and a biopsy showed band-like inflammatory infiltrations of atypical lymphocytes, epidermal atrophy, and epidermotropism of predominantly CD4-CD8+ atypical T cells. In addition, results of T-cell receptor gene rearrangement analysis were positive. Based on the aforementioned findings, he was diagnosed with PVA. If a patient shows long-standing and progressive hyperpigmentary skin changes, periodic follow- up and repeated skin biopsies are recommended to determine the underlying condition. (Ann Dermatol 27(2) 197∼ 200, 2015)
( Jie Hyun Jeon ),( Yoo Sang Baek ),( Hae Jun Song ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Ultraviolet rays attacks keratinocytes directly provoking inflammation and cell death. Green tea polyphenols have been known to have photo-protective, antiinflammatory, and anti-oxidant effects. EGCG, the major component in the green tea polyphenol, is known to induce or suppress apoptosis on cells and modulates the secretion of cytokines/chemokines. Objectives: Aim of the study was to investigate the effects of EGCG on UVB-irradiated human keratinocyte HaCaT cells in terms of regulation of proinflammatory cytokines production and cell viability. Methods: The HaCaT cells were cultured and pretreated by EGCG of 5, 50 uM concentration for 6 hours before irradiation of broadband UVB to provoke cell death and cytokine releases. The treated cells were irradiated by 50 mJ/cm2 of UVB and then incubated with EGCG for 24 hours. Cell viability was measured using 3-(4, 5- Dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay and cytokines were analyzed through enzyme-linked immunosorbent assay (ELISA). Results: UVB irradiation induced marked secretion of IL-6 and TNF-α and secretion of the MCP-1 was moderately increased. Increased levels of IL-6 and MCP-1 after UVB irradiation were markedly suppressed by 50 uM EGCG pretreatment. Secretions of TNF-α was decreased by EGCG pretreatment. EGCG post-treatment after UVB irradiation generally suppressed production of all three tested inflammatory mediators. Comparing with control group, 50 uM EGCG pretreatment inhibited growth of serum starved HaCaT cells independently of UVB irradiation. EGCG showed dual action, i.e. pretreatment before UVB irradiation caused a decrease in cell viability, but post-treatment after UVB irradiation showed photo-protective effects. Conclusion: EGCG modulated the production of cytokines/chemokines and cell viability by the order of EGCG treatment sequence (before/after UVB irradiation), concentration, and kinds of proinflammatory cytokines.
( Jie Hyun Jeon ),( Joo Ha Kim ),( Jung Woo Lee ),( Kui Young Park ),( Seong Jun Seo ),( Hae Jun Song ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: After successive trials and failures of various injectable materials such as bovine collagen, polyacryamide, calcium hydroxylapatite, etc., hyaluronic acid (HA) has become the most popular filling material. Many new HA fillers are being produced for the purpose of correcting wrinkles and augmentation of soft tissue. Objectives: This study aimed to test the efficacy, tolerability, and safety of a new HA filler, HA-IDF (Yvoire Classic s touch-up, LG Life Sciences, Inc., Seoul, South Korea) and compare HA-IDF with Restylane (Q-Med, Uppsala, Sweden). Methods: Fifty-eight subjects with visible nasolabial folds (NLFs) were enrolled in a randomized, multi-center, single-blind, active-controlled, matched-pair clinical study. Each subject was injected with HA-IDF in one NLF and Restylane in the other. All participants were assessed for cosmetic change at 2, 10, 18, and 26 weeks. Results: At screening, the average Wrinkle Severity Rating Scale (WSRS) for both right and left NLFs was 3.24±0.43. After 26 weeks, the results were 2.56±0.09 for both groups. There was no significant difference in WSRS scores for wrinkle improvement and in incidence of adverse events for both HA filler treatments. Conclusion: The new HA filler HA-IDF is effective and safe for correcting NLFs.
( Jie Hyun Jeon ),( Joo Ha Kim ),( Jae Woo Ahn ),( Hae Jun Song ) 대한피부과학회 2015 Annals of Dermatology Vol.27 No.2
Poikiloderma vasculare atrophicans (PVA) is a rare poikilodermatous variant of early-stage mycosis fungoides characterized by generalized poikiloderma, atrophy, mottled dyspigmentation, and telangiectasia. In 2001, a 14-year-old male presented with asymptomatic brownish-gray polymorphic macules throughout the body with flexural accentuation. A skin biopsy showed increased melanophages with focal hydropic changes. Ashy dermatosis was considered a possible diagnosis. In 2005, the lesions began to show darkening and lichenification in the lower part of the trunk. In 2011, his skin showed definite poikilodermatous changes, and a biopsy showed band-like inflammatory infiltrations of atypical lymphocytes, epidermal atrophy, and epidermotropism of predominantly CD4-CD8+ atypical T cells. In addition, results of T-cell receptor gene rearrangement analysis were positive. Based on the aforementioned findings, he was diagnosed with PVA. If a patient shows long-standing and progressive hyperpigmentary skin changes, periodic follow- up and repeated skin biopsies are recommended to determine the underlying condition.(Ann Dermatol 27(2) 197∼ 200, 2015)