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- Original Articles
- Radiosurgery with Linac Based Photon Knife in Cerebral Arteriovenous Malformation
- Jin Hee Kim, Tae Jin Choi
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Radiat Oncol J. 2003;21(1):1-9.
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PURPOSE: The purpose of this study was to analyze the effect of a Linear accelerator based Photon Knife Radiosurgery System developed by the staff of Keimyung University Dongsan Medical Center for the treatment of cerebral arteriovenous malformation.
Material and Methods:Between December 1993 and October 2000, 30 patients with cerebral arteriovenous malformation (AVM) were treated with the Linac based Photon Knife Radiosurgery... |
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- Preliminary Results of Fractionated Stereotactic Radiotherapy for Benign Brain Tumors
- Byung Ock Choi, Ki Mun Kang
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Radiat Oncol J. 2003;21(1):10-18.
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PURPOSE: To evaluate the role of fractionated stereotactic radiotherapy (FSRT) in the management of benign brain tumors, we reviewed the clinical, and radiographic responses of patients treated.
METHODS AND MATERIALS: Between March 1996 and March 2002, 36 patients with benign brain tumors were treated by FSRT. The pathological diagnoses consisted of pituitary adenomas (12 patients), craniopharyngiomas (5 patients), meningiomas (10 patients),... |
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- External Beam Irradiation for Squamous Cell Carcinoma of the Maxillary Sinus
- Tae Hyun Kim, Won Sub Yoon, Dae Sik Yang, Chul Yong Kim, Myung Sun Choi
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Radiat Oncol J. 2003;21(1):19-26.
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PURPOSE: Maxillary sinus cancers are usually locally advanced, and involve the structures around sinus, but the regional lymphatic spread is uncommon. Therefore, the local control of these cancers is important for their cure. We reviewed our experience of 55 patients with squamous cell carcinomas of the maxillary sinus, treated with radiation therapy, and looked for the role of radiation therapy... |
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- Treatment Outcome of Postoperative Radiotherapy in Extrahepatic Bile Duct Cancer
- Youngmin Choi, Heunglae Cho
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Radiat Oncol J. 2003;21(1):27-34.
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PURPOSE: To evaluate the efficacy of radiotherapy, and the factors affecting survival in patients of extrahepatic bile duct cancer, by analyzing the results of postoperative radiotherapy.
MATERIALS AND METHODS: Between October 1991 and July 2001, 21 patients with extrahepatic bile duct cancer, who received radiotherapy after a radical resection, were retrospectively reviewed. The patients' ages ranged from 39 to 75 years,... |
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- High-Dose-Rate Intraluminal Brachytherapy for Biliary Obstruction by Secondary Malignant Biliary Tumors
- Won Sup Yoon, Tae Hyun Kim, Dae Sik Yang, Myung Sun Choi, Chul Yong Kim
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Radiat Oncol J. 2003;21(1):35-43.
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PURPOSE: To analyze the survival period, prognostic factors and complications of patients having undergone high-dose-rate intraluminal brachytherapy (HDR-ILB) as a salvage radiation therapy, while having a catheter, for percutaneous transhepatic biliary drainage (PTBD), inserted due to biliary obstruction caused by a secondary malignant biliary tumor.
METHODS AND MATERIALS: A retrospective study was performed on 24 patients having undergone HDR- ILB, with... |
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- Survey on Radiotherpy Protocols for the Rectal Cancers among the Korean Radiation Oncologists in 2002 for the Development of the Patterns of Care Study of Radiation Therapy
- Jong Hoon Kim, Dae Yong Kim, Yong Ho Kim, Woo Cheol Kim, Chul Yong Kim, Jinsil Seong, Seung Chang Sohn, Hyun Soo Shin, Yong Chan Ahn, Do Hoon Oh, Wong Yong Oh, Mi Ryeong Ryu, Hyung Jun Yoo, Kyung Ja Lee, Kyu Chan Lee, Mison Chun, Ha Jung Chun, Seong Eon Hong, Il Han Kim
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Radiat Oncol J. 2003;21(1):44-53.
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PURPOSE: To conduct a nationwide survery on the principles in radiotherapy for rectal cancer, and develop the framework of a database of Korean Patterns of Care Study.
MATERIALS AND METHODS: A consensus committee was established to develop a tool for measuring the patterns in radiotherapy protocols for rectal cancer. The panel was composed of radiation oncologists from 18 hospitals in Seoul... |
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- Gene Expression Profiles in Cervical Cancer with Radiation Therapy Alone and Chemo-radiation Therapy
- Kyu Chan Lee, Meyoung kon Kim, Jooyoung Kim, You Jin Hwang, Myung Sun Choi, Chul Yong Kim
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Radiat Oncol J. 2003;21(1):54-65.
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PURPOSE: To analyze the gene expression profiles of uterine cervical cancer, and its variation after radiation therapy, with or without concurrent chemotherapy, using a cDNA microarray.
MATERIALS AND METHODS: Sixteen patients, 8 with squamous cell carcinomas of the uterine cervix, who were treated with radiation alone, and the other 8 treated with concurrent chemo-radiation, were included in the study. Before the... |
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- Radiation-Induced Apoptosis of Lymphocytes in Peripheral Blood
- Yoon Kyeong Oh, Tae Bum Lee, Taek Keun Nam, Keun Hong Kee, Cheol Hee Choi
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Radiat Oncol J. 2003;21(1):75-81.
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PURPOSE: This study quantitatively evaluated the apoptosis in human peripheral blood lymphocytes using flow cytometry, and investigated the possibility of using this method, with a small amount of blood, and the time and dose dependence of radiation-induced apoptosis.
MATERIALS AND METHODS: Peripheral blood lymphocytes were isolated from the heparinized venous blood of 11 healthy volunteers, 8 men and 3 women, with... |
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- The Benefit of Individualized Custom Bolus in the Postmastectomy Radiation Therapy:Numerical Analysis with 3-D Treatment Planning
- Jae Ho Cho, Kwang Hwan Cho, Kichang Keum, Yongyih Han, Yong Bae Kim, Sung Sil Chu, Chang Ok Suh
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Radiat Oncol J. 2003;21(1):82-93.
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PURPOSE: To reduce the irradiation dose to the lungs and heart in the case of chest wall irradiation using an oppositional electron beam, we used an individualized custom bolus, which was precisely designed to compensate for the differences in chest wall thickness. The benefits were evaluated by comparing the normal tissue complication probabilities (NTCPs) and dose statistics both with and... |
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- Technical Review of Target Volume Delineation on the Posterior Fossa Tumor:An Optimal Head and Neck Position
- Sang Min Yoon, Sang wook Lee, Seung Do Ahn, Jong Hoon Kim, Byong Yong Yi, Young Shin Ra, Thad Ghim, Eun Kyung Choi
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Radiat Oncol J. 2003;21(1):94-99.
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PURPOSE: To explore a 3D conformal radiotherapy technique for a posterior fossa boost, and the potential advantages of a prone position for such radiotherapy.
MATERIALS AND METHODS: A CT simulator and 3D conformal radiotherapy planning system was used for the posterior fossa boost treatment of a 13-year-old medulloblastoma patient. He was placed in the prone position and immobilized with an aquaplast... |
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- Patients Setup Verification Tool for RT (PSVTs): DRR, Simulation, Portal and Digital images
- Suk Lee, Jinsil Seong, Soo Il Kwon, Sung Sil Chu, Chang Geol Lee, Chang Ok Suh
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Radiat Oncol J. 2003;21(1):100-106.
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PURPOSE: To develop a patients' setup verification tool (PSVT) to verify the alignment of the machine and the target isocenters, and the reproducibility of patients' setup for three dimensional conformal radiotherapy (3DCRT) and intensity modulated radiotherapy (IMRT). The utilization of this system is evaluated through phantom and patient case studies.
MATERIALS AND METHODS: We developed and clinically tested a new method... |
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