http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Design of the KHIMA Synchrotron
임희중,안동현,한가람,박차원,김근범 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.67 No.8
The Korea Heavy Ion Medical Accelerator project (KHIMA) has been proposed as an ion-beam synchrotron facility for cancer therapy. The facility will be installed at Gijang, Busan with completion in 2017. The proposed maximum energy of the ions is 430 MeV/u (for carbon) to cover various tumor depths up to 30 cm. For the synchrotron design, we optimized the lattice configuration to fit the therapy. We discuss here the status of the synchrotron’s design.
Current Design Status of High Energy Beam Transfer Line for KHIMA Project
임희중,안동현,Kun-Uk Kang,한가람,홍봉환,Seong Seok Hong,황원택,장홍석,정인수,강준선,김창혁,이민용,Yeun-Soo Park,양태건,김근범 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.7
The Korea heavy ion medical accelerator (KHIMA) project is developing and constructing theheavy ion medical accelerator for the first time in Korea since 2010. This paper describes the statusof high energy beam transfer line (HEBT), which connects the superconducting cyclotron to thetreatment rooms. The HEBT provides a patient with 145 - 430 MeV/u carbon (12C6+) beam tocure cancer. The HEBT is consisted of 6 beam lines (4 horizontal, 1 vertical and 1 oblique). Thesize of the design HEBT is 41 m in length, 11 m in width and 17 m in height. Total number ofmagnets is 53 for focusing magnets and 22 for bending magnets. In the description, the currentdesign status of the HEBT is described.
임희중,전지영,정유미,이범구,심재앙,이신우 대한초음파의학회 2021 ULTRASONOGRAPHY Vol.40 No.3
Purpose: This study aimed to stratify risk factors and vein levels for postoperative deep vein thrombosis (DVT) after lower-extremity orthopedic surgery. Methods: Ninety-nine patients who underwent Doppler ultrasonography after lower-extremity orthopedic surgery were enrolled. Medical records were reviewed for anesthesia duration, type of surgery, body weight, height, and cardiovascular risk factors (including history of smoking, diabetes mellitus or hypertension, blood pressure, and total cholesterol and high-density lipoprotein [HDL] cholesterol levels), and the DVT treatment. Ultrasound diagnosis of DVT was made according to a routine protocol. The relationships between selected factors and the presence of DVT were assessed using univariate and multivariate regression analyses. Results: Thirty-three (33%) patients were found to have calf DVT. The mean age, weight, and height of the non-DVT and postoperative DVT patients were 55.1 years versus 65.4 years, 70.5 kg versus 61.2 kg, and 163.3 cm versus 157.0 cm, respectively. Total cholesterol/HDL levels in the non-DVT and DVT patients were 70.6/20.7 mg/dL and 90.8/26.0 mg/dL, retrospectively. Systolic and diastolic blood pressure in the non-DVT and DVT patients were 133.6/80.2 mm Hg and 132.2/78.1 mmHg, respectively. The mean duration of anesthesia was 173.9 versus 199.9 minutes, and the operative time was 136.4 minutes versus 161.0 minutes. Older age (P=0.005) and lower body weight (P=0.002) were significantly associated with postoperative DVT. No other significant between-group differences were found (P>0.05). The patients with ultrasound-identified DVT received antithrombotic treatment. None of them had distant thromboembolism. Conclusion: After lower-extremity orthopedic surgery, the calf veins in elderly patients with low body weight are susceptible to thrombosis; they would most likely benefit from postoperative ultrasonography.
Human Immunodeficiency Virus-Associated Gastrointestinal Kaposi’s Sarcoma: A Case Report
임희중,박소현,최승준,박수영,이희영,정준원,정동해 대한영상의학회 2020 대한영상의학회지 Vol.81 No.5
Kaposi’s sarcoma (KS) is a multicentric human immunodeficiency virus-associated neoplasm characterized by multiple vascular nodules in the skin, mucous membranes, and viscera. Gastrointestinal acquired immunodeficiency syndrome (AIDS)-related KS is the most common visceral involvement reported in disseminated disease. Here, we present the findings of a rare case of KS involving multiple organs with abdominal pain and active bleeding in the colon. Multiple intraluminal lesions were found in the terminal ileum, sigmoid colon, and rectum by ileocolonoscopy, and in the jejunum and ileum by fluoroscopy. Abdominopelvic CT revealed multiple enhanced flat lesions in the ileum and enlarged lymph nodes. The diagnosis was confirmed by histopathology, and antiretroviral therapy was initiated as the treatment of choice for KS. Owing to the increasing number of AIDS patients, it is essential for radiologists and clinicians to be aware of the imaging characteristics of KS to protect physicians from indiscriminate exposure to AIDS.