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엄석현 ( Seok Hyeon Eom ),박창환 ( Chang Hwan Park ),정덕원 ( Duk Won Chung ),이상혁 ( Sang Hyeok Lee ),서지영 ( Ji Young Seo ),김영성 ( Yeong Sung Kim ),곽동협 ( Dong Hyup Kwak ),김정희 ( Jung Hee Kim ) 영남대학교 의과대학 2016 Yeungnam University Journal of Medicine Vol.33 No.2
Heterotopic bone formation in the gastrointestinal tract is a rare phenomenon. Most reported cases were associated with benign and malignant neoplasms, except for a case in which heterotopic bone formation was found in a patient with Barrett`s esophagus. The exact pathogenesis of the disease has not yet been established. However, most heterotopic bones found in the gastrointestinal tract were associated with mucinproducing tumors of the appendix, colon, and rectum. Inflammation may also play a role in osseous metaplasia in a case with bone formation at the base of an ulcer in Barrett`s esophagus. Here, we report on a patient with heterotopic bone formation in normal gastric cardiac mucosa. A 50-year-old female visited our hospital for a routine health examination. She had no gastrointestinal symptoms, and her physical examination, blood test, X-ray, urine, and stool examination results were normal. A 0.3 cm sized polypoid lesion located just below the squamocolumnar junction was observed on upper gastrointestinal endoscopy. A piece of biopsy was taken. Histologically, a lamella bone trabecula and chronic inflammatory cells were observed in the gastric cardiac mucosa. The follow-up endoscopy performed one month later showed no residual lesion.
Antioxdant Activity of Hibiscus cannabinus L. Leaves in Different Growth Time
김성무,엄석현,박형재,유창연,조동하,Jin, Cheng-Wu,Eom, Seok-Hyun,Park, Hyoung-Jae,Ghimeray, Amal Kumar,Yu, Chang-Yeon,Cho, Dong-Ha The Korean Society of Medicinal Crop Science 2009 韓國藥用作物學會誌 Vol.17 No.1
The results on the useful functional compounds of kenaf (Hibiscus cannabinus L.) leaves cultivated in reclaimed lands and the biological activity effects of extracts were as follows. On 98 days after sowing (DAS) Tainung-2 showed the highest total chlorophyll content (1.68 mg/g), and on 141 DAS Dowling showed higher chlorophyll content (1.50 mg/g) than the other two did. In all cultivars the total chlorophyll content was higher on 141 DAS than on 98 DAS. Total polyphenol and total flavonoid contents were the highest in Tainung-2 (30.50 mg/g and 57.03 mg/g, respectively), and total polyphenol and total flavonoid contents (30.50 mg/g and 57.03 mg/g, respectively) were the highest in 30% ethanol extraction. Ascorbic acid contents were higher on 141 DAS than on 98 DAS in three cultivars. SOD activities of kenaf leaf extract were generally over 90%. DPPH radical scavenging activity of Tainung-2 was higher than others.