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Extrauterine Adenomyoma of the Liver Mimicking a Hepatic Adenoma: A Case Report
원영주,우지영,변지은,홍민의 대한영상의학회 2020 대한영상의학회지 Vol.81 No.1
Extrauterine adenomyoma of the liver is extremely rare. Only a few cases have been reported, and these reports have focused mainly on histopathology. Herein, we report the specific imaging findings of extrauterine adenomyoma of the liver in a 43-year-old woman with epigastric pain, which was initially diagnosed as a hepatic adenoma. CT and MRI revealed a solid and cystic mass with hemorrhagic foci and weak persistent enhancement, located in the subcapsular region of the right hepatic lobe.
Penile Erection during Transurethral Surgery - Case report and review of the literature -
원영주 대한마취통증의학회 2008 Anesthesia and pain medicine Vol.3 No.2
Imbalance between sympathetic and parasympathetic nervous systems is generally considered an underlying mechanism for intraoperative erection, although local stimulation before complete sensory blockade can contribute to the problem. With the onset of erection under regional anesthesia during an operative procedure, general inhalational anesthesia must be quickly initiated to enhance venous drainage of the engorged corpora cavernosa before prolonged venous stasis. Combination therapy including ketamine, glycopyrrolate, terbutaline, and alpha-adrenergics may be available, however, the benefit-risk ratio should be considered especially in the elderly patients with cardiovascular diseases. We present a case of intraoperative erection in an elderly patient, which was resolved by applying inhalational anesthesia with remifentanil after confirmation ineffectiveness of intravenous glycopyrrolate and ketamine. We also review and discuss the treatment strategies.
Nationwide Cancer Incidence in Korea, 2003~2005
원영주,성주헌,박소희,황인경,이덕희,최진수,김우철,김태용,김옥남,정우진,공인식,이덕형,이진수,정규원,공현주,박은철,안윤옥,유철인,배종면 대한암학회 2009 Cancer Research and Treatment Vol.41 No.3
Purpose: To estimate the current cancer burden in Korea, newly diagnosed cancer cases and cancer incidence rates were calculated for the years 2003~2005. Materials and Methods: The cancer incidence cases and rates were calculated from the Korea National Cancer Incidence Database. Crude and age-standardized incidence rates were calculated by gender for specified cancer sites in 5-year age groups. Results: From 2003 to 2005, 398,824 cases of cancer were newly diagnosed in Korea (218,856 in men and 179,968 in women). For all sites combined, the crude incidence rate (CR) was 300.0 and 248.2 for men and women and the age-standardized incidence rate (ASR) was 297.0 and 191.2 per 100,000, respectively. Among men, five leading cancers were stomach (CR 66.0, ASR 64.2), lung (CR 48.5, ASR 50.3), liver (CR 44.9, ASR 42.1), colon and rectum (CR 37.9, ASR 37.2), and prostate cancer (CR 12.7, ASR 13.8). Among women, five leading cancers were breast (CR 37.3, ASR 29.0), thyroid (CR 36.2, ASR 28.8), stomach (CR 34.1, ASR 25.4), colon and rectum (CR 28.0, ASR 21.1), and lung cancer (CR 17.9, ASR 12.8). In the 0~14-year-old group, leukemia was the most common in both sexes; in the 15~34 group, the most common cancer was stomach cancer for men and thyroid cancer for women; in the 35~64 group, stomach cancer for men and breast cancer for women; among those 65 and over, lung cancer for men and stomach cancer, for women, respectively. Conclusion : The cancer incidence rates have increased in recent years, and more cancers are expected to develop as Korea is quickly becoming an aged society. The cancer incidence statistics in this report can be used as an important source to effectively plan and evaluate the cancer control program in Korea.
Geographical Variations and Trends in Major Cancer Incidences throughout Korea during 1999-2013
원영주,정규원,오창모,박은혜,공현주,이덕형,이강현 대한암학회 2018 Cancer Research and Treatment Vol.50 No.4
Purpose We aimed to describe the temporal trends and district-level geographical variations in cancer incidences throughout Korea during 1999-2013. Materials and Methods Data were obtained from the Korean National Cancer Incidence Database. We calculated the age-standardized cumulative cancer incidences according to sex and geographical region (metropolitan cities, provinces, and districts) for three 5-year periods (1999-2003, 2004- 2008, and 2009-2013). Each quintile interval contained the same number of regions. Disease maps were created to visualize regional differences in the cancer incidences. Results Substantial differences in cancer incidences were observed according to district and cancer type. The largest variations between geographical regions were found for thyroid cancer among both men and women. There was little variation in the incidences of stomach, colorectal, and lung cancer according to geographical region. Substantially elevated incidences of specific cancers were observed in Jeollanam-do (thyroid); Daejeon (colorectum); Jeollanam- do, Gyeongsangbuk-do, and Chungcheongbuk-do (lung); Seocho-gu, Gangnam-gu and Seongnam, Bundang-gu (breast and prostate); Chungcheong and Gyeongsang provinces (stomach); Ulleung-gun and the southern districts of Gyeongsangnam-do and Jeollanam-do (liver); and along the Nakdonggang River (gallbladder and biliary tract). Conclusion Mapping regional cancer incidences in Korea allowed us to compare the results according to geographical region. Our results may facilitate the development of infrastructure for systematic cancer incidence monitoring, which could promote the planning and implementation of region-specific cancer management programs.
Idiopathic Primary Necrotizing Fasciitis of the Breast: A Case Report
원영주,황지영,문진희,안수경,양익,우지영 대한영상의학회 2019 대한영상의학회지 Vol.80 No.6
Necrotizing fasciitis (NF) is a life-threatening infection characterized by extensive necrosis and inflammation of subcutaneous tissue and the fascia. Only a few cases of NF in the breast have been reported, and imaging findings of primary breast NF have not been described in the literature. As primary NF in the breast is extremely rare, it can be misdiagnosed as an abscess or cellulitis, and its diagnosis may be delayed. However, early diagnosis is crucial because delays can lead to fatal sepsis or requirement for total mastectomy. Herein, the authors report a rare case of primary breast NF that was diagnosed early using enhanced breast CT and successfully managed with local debridement. CT revealed a large cystic mass with an air-fluid level, a thickened deep fascia without remarkable enhancement, and extensive subcutaneous emphysema with subcutaneous fat infiltrations in the right breast.
원영주 陸軍士官學校 1993 한국군사학논집 Vol.44 No.-
Computing power of hypercube multicomputer is often limited by I/O overhead. In this paper we study I/O embedding algorithms and design distributed disk system with multiple server to enhance I/O performance of hypercube multicomputer. With representative application algorithm(external sorting) number of embedding methods and architectures are simulated for the analysis. Simulations results reveal possible improvement over previous I/O scheme.