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Sclerosing Stromal Tumor of the Ovary:MR-Pathologic Correlation in Three Cases
JinYoungKim,Kyung-JaeJung,DuckSooChung,OkDongKim,JinHeeLee,SungKookYoun 대한영상의학회 2003 Korean Journal of Radiology Vol.4 No.3
Sclerosing stromal tumor (SST) of the ovary is a very rare sex cord stromal tumor occurring in a younger age group than other types of stromal tumors and most commonly accompanied by menstrual irregularity. Several unique histologic features including pseudolobulation, sclerosis and prominent vascularity are clearly reflected at ultrasonography and MRI. We report the ultrasonographic and MR features of three cases of histologically confirmed SSTs, and relate them to the pathological findings.
Confronting Strategy for EA & BPR Based ISP
Jin-Young Kim,Byung-Soo Lee 한국멀티미디어학회 2011 한국멀티미디어학회 국제학술대회 Vol.2011 No.-
This study is to suggest suitable strategy for public organizations which manage their businesses with IT consulting organization or through making RFP through analyzing mainly RFP to prepare recent changes on requirements of public organizations and appropriate strategy against the changes during ISP establishment. It also analyses the changes between traditional ISP and recent EA and BPR based ISP which is current trends in IT industry.
Ultrasonographic Analysis of Optimal Needle Placement for Extensor Indicis
Jin Young Kim,Hyun Seok,Sang-Hyun Kim,Yoon-Hee Choi,Jun Young Ahn,Seung Yeol Lee 대한재활의학회 2020 Annals of Rehabilitation Medicine Vol.44 No.6
Objective To determine the most optimal needle insertion point of extensor indicis (EI) using ultrasound. Methods A total 80 forearms of 40 healthy volunteers were recruited. We identified midpoint (MP) of EI using ultrasound and set MP as optimal needle insertion point. The location of MP was suggested using distances from landmarks. Distance from MP to medial border of ulna (MP-X) and to lower margin of ulnar head (MP-Y) were measured. Ratios of MP-X to Forearm circumference (X ratio) and MP-Y to forearm length (Y ratio) were calculated. In cross-sectional view, depth of MP (Dmp), defined as middle value of superficial depth (Ds) and deep depth (Dd) was measured and suggested as proper depth of needle insertion. Results Mean MP-X was 1.37±0.14 cm and mean MP-Y was 5.50±0.46 cm. Mean X ratio was 8.10±0.53 and mean Y ratio was 22.15±0.47. Mean Dmp was 7.63±0.96 mm. Conclusion We suggested that novel optimal needle insertion point of the EI. It is about 7.6 mm in depth at about 22% of the forearm length proximal from the lower margin of the ulnar head and about 8.1% of the forearm circumference radial from medial border of ulna.
Improvement of the Planting Method to Increase the Carbon Reduction Capacity of Urban Street Trees
Jin-Young Kim,Hyun-Kil Jo,Hye-Mi Park 인간식물환경학회 2021 인간식물환경학회지 Vol.24 No.2
Background and objective: Urban street trees play an important role in carbon reduction in cities where greenspace is scarce. There are ongoing studies on carbon reduction by street trees. However, information on the carbon reduction capacity of street trees based on field surveys is still limited. This study aimed to quantify carbon uptake and storage by urban street trees and suggest a method to improve planting of trees in order to increase their carbon reduction capacity. Methods: The cities selected were Sejong, Chungju, and Jeonju among cities without research on carbon reduction, considering the regional distribution in Korea. In the cities, 155 sample sites were selected using systematic sampling to conduct a field survey on street environments and planting structures. The surveyed data included tree species, diameter at breast height (DBH), diameter at root collar (DRC), height, crown width, and vertical structures. The carbon uptake and storage per tree were calculated using the quantification models developed for the urban trees of each species. Results: The average carbon uptake and storage of street trees were approximately 7.2 ± 0.6 kg/tree/yr and 87.1 ± 10.2 kg/tree, respectively. The key factors determining carbon uptake and storage were tree size, vertical structure, the composition of tree species, and growth conditions. The annual total carbon uptake and storage were approximately 1,135.8 tons and 22,737.8 tons, respectively. The total carbon uptake was about the same amount as carbon emitted by 2,272 vehicles a year. Conclusion: This study has significance in providing the basic unit to quantify carbon uptake and storage of street trees based on field surveys. To improve the carbon reduction capacity of street trees, it is necessary to consider planning strategies such as securing and extending available grounds and spaces for high-density street trees with a multi-layered structure.