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베체트씨병에 동반된 복부 대동맥 동맥류의 스텐트 삽입술 1 예 : Treatment with Endovascular Stent Graft
허웅,안정수,황지영,김현지,강보리,나현희,이건주,변영섭,고충원,이병권 인제대학교 백병원 2003 仁濟醫學 Vol.24 No.1
Behcet's disease is an inflammatory disorder of unknown cause, characterized by recurrent oral aphthous ulcer, genital ulcers, ocular manifestations, and skin lesions. Large-vessel involvement of both arterial and venous system appears in 7-29% of patients, and it is major cause of morbidity and mortality. Venous involvement, including superficial thrombophlebitis and deep vein thrombosis, is more frequent. Arterial manifestations occurs infrequently and presents with aortitis or arterial aneurysm and arterial thrombosis. Arterial aneurysms or occlusions which occur in the systemic or the pulmonary arterial bed are present in approximately 2 to 3% of patients with Behcet's disease and accounts for only 12% of vascular complication. Aneurysms are more frequent than occlusions and are mostly present in the pulmonary arteries and abdominal aorta. They have poor prognosis because of rupture with fatal outcome and surgical treatment is necessary. But, Surgical treatment often difficult and may lead to formation of further false aneurysms at the site of vascular anastomosis. Endovascular stent graft placement emerged as an alternative treatment that is less invasive with a lower risk. We experienced a case of abdominal aortic aneurysm in 36-year-old man with Behcet's disease. The patient was diagnosed by CT scan and treated with percutaneous endovascular stent graft.
Oxidation Layer Measurement by Using Visible and Near Infrared Reflectance Spectrum
Choong Soo Lim,Hyun Chul Park,Heong Jun Huh,Sang Jin Lee 제어로봇시스템학회 2011 제어로봇시스템학회 국제학술대회 논문집 Vol.2011 No.10
High strength steels, which contain alloy elements like Si and Mn, are desired for automotive applications in order to develop lightweight cars with sufficient strength. In this case, oxidation layer monitoring and control on the steel surface is necessary to guarantee high surface wettability of those steels in galvanizing. Oxidation layer measurement using visible and near infrared reflectance spectrum is one of the promising techniques to accomplish the purpose due to high accuracy with sufficient robustness and reliability. This paper describes research results of oxidation layer measurement employing reflectance spectroscopy in visible and near infrared region. The simulation result considering the refractive indexes of FeO and pure iron is obtained. An experimental setup employing a halogen lamp, two delivery fibers, detection probe, and two spectrometers covering ultraviolet (UV) and visible (VIS) to near infrared (NIR) spectral regions is also fabricated in the laboratory. The experimental result shows a good agreement to the calculation. A proto-type system for on-line measurement was fabricated and its performance was tested in the pilot plant.
Choong-Soo LIM,Hyun-Chul PARK,Myoung-Koo KANG,Hyeong Jun HUH 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
This paper describes a non-contact scheme for laser-ultrasound measurement incorporating a Q-switched Nd:YAG laser as an ultrasonic generation source and a confocal Fabry-Perot interferometer with a single-frequency long pulsed laser for ultrasonic detection. Measurement in laboratory envionviment is firstly performed. In the experiment, the ultrasound measurement is conducted on a steel plate in order to obtain a relationship between ultrasonic velocity and ratio of phase transformation from austenite to ferrite which is an important parameter to determine the quality of steel products. Experimental results show that the ultrasonic velocity changes with the phase transformation ratio. A pilot plant test is also tried to verify the possibility of application to a real production line.
이충상(Choong-Sang Lee),김형근(Hyoung-Keun Kim),임재형(Jae-Hyung Lim),전국진(Kug-Jin Jeon),허종기(Jong-Ki Huh) 대한구강악안면외과학회 2011 대한구강악안면외과학회지 Vol.37 No.3
Epidermoid cysts presents as a nodular and fluctuant subcutaneous lesion beneath the skin and are most common in acne-prone areas of the head, neck and back. This cyst often arises after localized inflammation of the hair follicle and occasionally after the implantation of epithelium following trauma and surgery including a biopsy procedure. It is often associated with Gardner syndrome, particularly before puberty. The lesion is normally treated by a surgical excision or enucleation, and recurrence is uncommon. A 27 year old woman complained of a swelling of the left parotid gland when she visited our clinic. A cystic lesion was found in the left parotid gland from the high signal intensity on the MR images. Ultrasonography showed that the cystic lesion was heterogeneous echogenic. Six months earlier, botulinum toxin was injected in her left masseter muscles six months earlier and progressive swelling of the left parotid area was noticed four months after treatment. The lesion was surgically removed. It was encapsulated by a thin wall and filled mainly with keratin. The final diagnosis was an epidermoid cyst.
상염색체 우성 다낭신 환자에서 18F-FDG PET-CT로 진단한 간낭종 감염 1예
심충남 ( Choong Nam Shim ),이태헌 ( Tae Heon Lee ),체재욱 ( Je Wook Chea ),허성은 ( Seung Eun Huh ),김향 ( Hyang Kim ),이규백 ( Kyu Beck Lee ),이영래 ( Young Rae Lee ),홍현표 ( Hyun Pyo Hong ),이은정 ( Eun Jeong Lee ) 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.1
Infection of hepatic cyst is a serious complication of autosomal dominant polycystic kidney disease (ADPKD). Early diagnosis of infected cyst is crucial and usually requires conventional modalities, including ultrasound and computed tomography. However, their contribution is limited because of nonspecific results. We report a case of hepatic cyst infection for which 18F-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG PET-CT) scan allowed the exact localization of the infected cyst and the precise drainage procedure. A 48-year-old woman with ADPKD presented with fever and RUQ pain. Contrast enhanced computed tomography did not show any evidence of complicated or infected cysts in both kidneys and liver. Though she had been treated by antibiotics for 7 days, patient`s symptoms were not improved. However, 18F-FDG PET-CT scan revealed infected cyst in the left lobe of liver exactly. After percutaneous drainage based on 18F-FDG PET-CT imaging, the hepatic cyst infection was controlled. Therefore, 18F-FDG PET-CT imaging could be a valuable tool to identify the exact localization of cyst infection, which may contribute to drain the infected cyst. We report this case with a brief review of relevant literature.
정충선,허경한 경원전문대학 1999 論文集 Vol.21 No.-
The industry of the 20 century has been developed rapidly. The environment is increased to construct institution of livelihood and basic industry, and caused concentration of people to the civilized area. therefore, new space and institution are needed. Korea want efficient use of landslide or ground space for lack of useful land and space. Therefore, this study is going to suggest a calculation for Earth pressure by surcharge load about backfill at narrow space as complementing the silo theory.