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Slab Maximum Intensity Projection 기법을 이용한 CT로 진단한 미만성 모세혈관확장형 폐동정맥기형: 1예 보고
강병성 대한영상의학회 2002 대한영상의학회지 Vol.47 No.4
Diffuse telangiectatic type of pulmonary arteriovenous malformation (AVM) is an uncommon disease entity in which numerous small arteriovenous connections occur throughout the lungs. It has rarely been confirmed by pulmonary angiography. We report a case of diffuse telangiectatic pulmonary AVM occurring in a patient with dyspnea and confirmed by CT using the slab maximum intensity projection (MIP) technique and conventional direct pulmonary angiography. 폐동정맥기형의 드문 형태로서 많은 소동정맥의 연결에 의해 이루어진 미만성 모세혈관확장형이 있으며 CT와 혈관조영술에서 모두 명확하게 확인된 경우는 드물다. 저자들은, 원인을 알 수 없는 호흡곤란을 주소로 내원한 21세 남자 환자에서, slab maximum intensity projection (MIP) 기법을 이용한 CT와 혈관조영술로 확진된 1예를 보고하고자 한다.
강병성,양면준,김영민,염윤석,최성훈,박성빈,정애경 대한영상의학회 2008 대한영상의학회지 Vol.58 No.4
Aspergillus bursitis is an uncommon condition demonstrated as a nonspecific soft tissue mass. To our knowledge, the ultrasonographic findings of aspergillus bursitis in immunocompromised patients have not been previously reported. Here, we report a case of aspergillus bursitis in a renal transplant recipient, accompanied by the associated ultrasonographic findings.
이철승,강병성,허강헌,박진우 한국세라믹학회 2009 한국세라믹학회지 Vol.46 No.2
For the Y5V characteristic MLCC which is very prone to crack, it is important to to find out the basic cause of the crack. After finding out the crack origin, the materials and processes should be developed to remove the crack. The microstructures of the cracks were investigated using the fractographic method for the various types of cracks such as an exterior crack, a cyclic thermal shock crack, and an piezo-electric crack. It was found out that the crack origin was the pore at the end of the Ni inner electrode after bake-out. Even though the three dimensional crack shapes were different, the crack origins were seemed to be similar. The exterior crack could grow from the origin with the aids of residual and applied stress. FEM (finite element method) analysis was used to calculate the stress distribution of residual and applied stress. And the concept of fracture mechanics was applied for the explanation of the crack initiation and propagation from the stresses concentration. For the Y5V characteristic MLCC which is very prone to crack, it is important to to find out the basic cause of the crack. After finding out the crack origin, the materials and processes should be developed to remove the crack. The microstructures of the cracks were investigated using the fractographic method for the various types of cracks such as an exterior crack, a cyclic thermal shock crack, and an piezo-electric crack. It was found out that the crack origin was the pore at the end of the Ni inner electrode after bake-out. Even though the three dimensional crack shapes were different, the crack origins were seemed to be similar. The exterior crack could grow from the origin with the aids of residual and applied stress. FEM (finite element method) analysis was used to calculate the stress distribution of residual and applied stress. And the concept of fracture mechanics was applied for the explanation of the crack initiation and propagation from the stresses concentration.
MR Findings of Inflammatory Myofibroblastic Tumor of the Thigh: A Case Report
방민서,강병성,서재희,정광환,황재철,신상훈,권운정,원영철 대한영상의학회 2010 대한영상의학회지 Vol.62 No.6
Inflammatory myofibroblastic tumor is a rare benign condition of an unknown etiology and it may be clinically misdiagnosed as a malignant tumor. We examined a 28-year-old male with a slowly-growing mass in his left thigh. The MR images showed a relatively well-defined, intermuscular mass lesion with heterogeneous enhancement. The histopathologic examination of the resected specimen revealed inflammatory myofibroblastic tumor. We report here on the MR findings of inflammatory myofibroblastic tumor of the thigh in this patient.
MR Findings of Trichilemmal Carcinoma: A Case Report
장종창,강병성,서재희,차재룡,황재철,원영철,신상훈 대한영상의학회 2009 대한영상의학회지 Vol.61 No.2
A trichilemmal carcinoma is a rare superficial tumor occurring on the sun-exposed regions of older individuals. We examined a 79-year-old female with a large mass located in the right posterolateral aspect of the patient’s neck. The MR images showed a central cystic portion with intense peripheral enhancement. The histopathologic examination of the resected specimen revealed a trichilemmal carcinoma. Here, we report the MR findings of the trichilemmal carcinoma in this patient.
MR Findings of Desmoplastic Fibroblastoma: A Case Report
이원찬,강병성,서재희,황재철,원영철,신상훈,권운정,최성훈 대한영상의학회 2010 대한영상의학회지 Vol.63 No.3
Desmoplastic fibroblastoma is a rare, fibrous, soft-tissue tumor that usually arises in subcutaneous tissues and skeletal muscle at various anatomic sites. We report a case of desmoplastic fibroblastoma in a 33-year-old female presented with a palpable mass in her right arm. Ultrasound images showed a hypoechoic mass lesion with internal vascularity. Magnetic resonance (MR) images showed areas of heterogeneously with high and low signal intensity on T2-weighted images, and intense enhancement on postcontrast T1-weighted images. Histopathologic examination of the resected specimen confirmed desmoplastic fibroblastoma.