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Progastrin-releasing peptide as a diagnostic and therapeutic biomarker of small cell lung cancer
오형주,( Ha Young Park ),( Tae Ok Kim1 ),( Chul Kyu Park ),( Hong Jun Shin ),( Hee Jung Ban ),( In Jae Oh ),( Yong Soo Kwon ),( Yu Il Kim ),( Sung Chul Lim ),( Young Chul Kim ),( Soo Hyun Kim ),( Myung G 대한결핵 및 호흡기학회 2015 대한결핵 및 호흡기학회 추계학술대회 초록집 Vol.120 No.-
Background: Progastrin-releasing peptide (proGRP) is a recently identified biomarker of small cell lung cancer (SCLC). We aimed this study for evaluating the usefulness of automated proGRP measurement for diagnosis and treatment monitoring in patients with SCLC. Methods: From January 2011 to December 2013, plasma samples were prospectively collected from 452 [213 non-small cell lung cancer (NSCLC), 104 SCLC, 135 other diseases] patients visited for tissue diagnosis and tested by two-step automated immunoassay using the ARCHITECT proGRP assay kit (Abbott Diagnostics, USA). The cutoff level of proGRP was set at 63 pg/mL. Results: The mean proGRP was higher in SCLC (1823.0 ± 2684.0 pg/mL) than in NSCLC (61.0 ± 341.7 pg/mL) and other diseases (51.5 ± 222.6 pg/mL, p<0.001). The sensitivity of proGRP was 85.7% (90/105) in SCLC and 11.8% (25/212) in NSCLC. The specificity was 90.2%, positive predictive value was 72.5%, and negative predictive value was 95.4% in SCLC. The mean proGRP was higher in extensive disease (2158.1 ± 2980.6 pg/mL) than in limited disease (901.4 ± 1216.0 pg/mL, p=0.033). Among the 39 patients with SCLC could be followed, the mean proGRP levels of 23 responders were significantly decreased after chemotherapy (from 1651.5 ± 1386.4 pg/mL to 290.0 ± 524.8 pg/mL, p<0.001), whereas those of the 16 non-responders were not. (from 572.5 ± 790.3 pg/mL to 494.4 ± 610.9 pg/mL, p=0.583). Conclusion: Plasma proGRP could be a useful biomarker of SCLC for diagnosis and treatment monitoring. And the initial level may represent the tumor extent of SCLC.
Choi, Young Deuk,Ham, Won Sik,Kim, Won Tae,Cho, Kang Su,Lee, Joo Hyoung,Cho, Soung Yong,Seo, Ju Wan,Jin, Ok Hyun Mary Ann Liebert 2009 Journal of endourology Vol.23 No.6
<P>PURPOSE: To evaluate the efficacy and safety of single-session OK-432 sclerotherapy for the treatment of renal cysts. MATERIALS AND METHODS: From October 2005 to November 2006, 48 patients (61 simple renal cysts) were included in the study. Indications were determined as flank discomfort (n = 37) or patient reassurance due to increasing size (n = 11). The simple renal cysts were aspirated under ultrasonography (US), at which point OK-432 was injected into the cyst. Follow-up was performed with US or computed tomography scan every 3 months until 1 year. Complete regression of the renal cyst or more than 70% reduction in size with no symptoms indicated a successful treatment. RESULTS: Among 61 renal cysts of 48 patients, the overall success rate was 98.4%. Complete regression occurred in 46 cysts (75.4%), and more than 90% reduction in size occurred in 6 cysts (9.8%). A size reduction of 80% to 90% and 70% to 80% occurred in five (8.2%) and three cysts (4.9%), respectively. A size reduction less than 70% occurred in only one cyst (1.6%). The success of cyst regression was correlated with cyst volume. Clinical symptoms resolved in 100% of patients with symptomatic cysts, and there was no enlargement of the aspirated cysts at the 1-year follow-up. After the procedure, there were only some minor complications, such as mild fever, flank pain, and leukocytosis, which subsided with the conservative treatment. CONCLUSIONS: Percutaneous OK-432 sclerotherapy is simple, safe, and effective, and it can be an alternative first-line therapy for simple renal cysts.</P>
Prediction of skin penetration of Bifenthrin using in vitro micro-pig skin model
Ji-Hyun Bang(Ji-Hyun Bang),Hyun-Ok Ku(Hyun-Ok Ku),Byung-Suk Jeon(Byung-Suk Jeon),Hyobi Kim(Hyobi Kim),Kwang-Jick Lee(Kwang-Jick Lee),Yong-Sang Kim(Yong-Sang Kim),Hee Yi(Hee Yi) 한국예방수의학회 2019 한국예방수의학회 학술대회자료집 Vol.2018 No.-
Aragonite Undersaturation in Gwangyang Bay, South Korea: Effects of Fresh Water Input
Kim, Dongseon,Yang, Eun-Jin,Baek, Seung Ho,Kim, Kyung-Hee,Jeong, Jin-Hyun,Kim, Young-Ok 한국해양학회 2014 Ocean science journal Vol.49 No.3
Dissolved inorganic carbon (DIC) and alkalinity were precisely measured for surface and bottom waters in Gwangyang Bay, Korea, during the four seasons to assess seasonal variations of aragonite saturation state (${\Omega}_{arag}$). Both the surface and bottom waters were undersaturated with respect to aragonite during summer but were supersaturated during the other seasons. The summertime undersaturation of the surface waters with respect to aragonite may have been a result of the dilution effect caused by higher seasonal river runoff. In the bottom waters, the average DIC concentration increased by $40.6{\mu}mol\;kg^{-1}$ from spring to summer, while the average alkalinity decreased by $74.7{\mu}eq\;kg^{-1}$. As a result, the alkalinity/DIC ratio decreased from 1.07 in spring to 1.01 in summer and pH also decreased from 7.91 to 7.48, which resulted in the summertime undersaturation of the bottom waters.
Lobulated intradermal nevus in young woman
( Hyun Ok Son ),( Sin Wook Chun ),( Suk Young Lee ),( Jong Baik Kim ),( Han Gyu Choi ),( Han Kyoung Cho ),( Byung In Ro ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Lobulated intradermal nevus is a rare entity characterized by the distinct clinicohistopathological findings and is similar to a regressing melanocytic nevus. In 1991, Cho et al. first reported 3 cases of lobulated intradermal nevi and suggested that their cases represented an unusual form of regressing melanocytic nevus. It clinically showed yellowish lobulated growth and histopathologically exhibited fat cell infiltration amidst nests consisting nevus cells, dermal fibrosis and neuroid differentiation of nevus cells. These changes are typically encountered in elderly individuals and usually not expected in young patients. We report a case of lobulated intradermal nevus in a young female patient. A 31-year-old woman presented to our hospital with scalp mass which developed for over 10 years. It was asymptomatic. The lesion was a single pedunculated mass with a yellowish lobulated suface and with focal hyperpigmentation. Under the impression of clinically skin tag or nevus lipomatous superficialis, biopsy was done. The skin biopsy specimen showed fatty infiltration within nests of nevus cells with dermal fibrosis.