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- Original Articles
- Current Status of High Dose Rate Brachytherapy in Cervical Cancer in Korea and Optimal Treatment Schedule
- Seung Jae Huh
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Radiat Oncol J. 1998;16(4):357-366.
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Brachytherapy is an essential part of radiotherapy for uterine cervical cancer. The low dose rate (LDR) regimen has been the major technique of intracavitary therapy for cervical cancer. However, there has been an expansion in the last 20 years of high dose rate (HDR) machines using Ir-192 sources. Since 1979, HDR brachytherapy has been used for the treatment of uterine... |
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- Expression of Cell Cycle Related Genes in HL60 Cells Undergoing Apoptosis by X-irradiation
- Jin Hee Kim, In Kyu Park
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Radiat Oncol J. 1998;16(4):377-388.
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PURPOSE: To evaluate changes in expression of cell cycle related genes during apoptosis induced in HL60 cells by X-irradiation to understand molecular biologic aspects in mechanism of radiation therapy.
MATERIAL AND METHODS: HL-60 cell line (promyelocytic leukemia cell line) was grown in culture media and irradiated with 8 Gy by linear accelerator (6 MV X-ray). At various times after irradiation, ranging... |
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- 3-Dimensional Conformal Radiation Therapy in Carcinoma of The Nasopharynx
- Ki Chang Keum, Gwi Eon Kim, Sang Hoon Lee, Sei Kyung Chang, John Jihoon Lim, Won Park, Chang Ok Suh
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Radiat Oncol J. 1998;16(4):399-408.
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PURPOSE: This study was designed to demonstrate the potential therapeutic advantage of 3-dimensional (3-D) treatment planning over the conventional 2-dimensional (2-D) approach in patients with carcinoma of the nasopharynx.
MATERIAL AND METHODS: The two techniques were compared both qualitatively and quantitatively for the boost portion of the treatment (19.8 Gy of a total 70.2 Gy treatment schedule) in patient with T4.... |
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- The Results of Definitive Radiation Therapy and The Analysis of Prognostic Factors for Non-Small Cell Lung Cancer
- Seung Hee Chang, Kyung Ja Lee, Soon Nam Lee
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Radiat Oncol J. 1998;16(4):409-423.
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PURPOSE: This retrospective study was tried to evaluate the clinical characteristics of patients, patterns of failure, survival rates, prognostic factors affecting survival, and treatment related toxicities when non-small cell lung cancer patients was treated by definitive radiotherapy alone or combined with chemotherapy.
MATERIAL AND METHODS: We evaluated the treatment results of 70 patients who were treated by definitive radiation therapy for... |
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- The Results and Prognostic Factors of Chemo-radiation Therapy in the Management of Small Cell Lung Cancer
- Eun Seog Kim, Doo Ho Choi, Jong Ho Won, Soo Taek Uh, Dae Sik Hong, Choon Sik Park, Hee Sook Park, Wook Youm
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Radiat Oncol J. 1998;16(4):433-440.
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PURPOSE: Although small cell lung cancer (SCLC) has high response rate to chemotherapy and radiotherapy (RT), the prognosis is dismal. The authors evaluated survival and failure patterns according to the prognostic factors in SCLC patients who had thoracic radiation therapy with chemotherapy.
MATERIAL AND METHODS: One hundred and twenty nine patients with SCLC had received thoracic radiation therapy from August 1985... |
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- Comparative Study Between Respiratory Gated Conventional 2-D Plan and 3-D Conformal Plan for Predicting Radiation Hepatitis
- Sang wook Lee, Gwi Eon Kim, Kap Soo Chung, Chang Geol Lee, Jinsil Seong, Chang Ok Suh
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Radiat Oncol J. 1998;16(4):455-468.
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PURPOSE: To evaluate influences associated with radiation treatment planning obtained with the patient breathing freely.
MATERIAL AND METHODS: We compared reduction or elimination of planning target volume (PTV) margins with 2-D conventional plan with inclusion of PTV margins associated with breathing with 3-D conformal therapy. The respiratory non gated 3-D conformal treatment plans were compared with respiratory gated conventional 2-D plans... |
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- The Role of Pelvic Irradiation after Hysterectomy in Early Stage Cervical Carcinoma with Pelvic Nodal Metastasis
- Hyun Suk Suh
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Radiat Oncol J. 1998;16(4):469-476.
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PURPOSE: To determine the role of pelvic irradiation in stage I or IIA cervical carcinoma with pelvic nodal metastasis after hysterectomy and bilateral pelvic lymphadenectomy.
MATERIAL AND METHODS: This is a retrospective study of 68 cervical carcinoma patients who were found to have pelvic nodal metastasis at hysterectomy and received pelvic irradiation from 1983 to 1996 at Inje University Seoul Paik... |
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- Postoperative Radiation Therapy in the Soft-tissue Sarcoma
- Yeon Shil Kim, Hong Seok Jang, Sei Chul Yoon, Mi Ryeong Ryu, Chul Seung Kay, Su Mi Chung, Hoon Kyo Kim, Yong Koo Kang
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Radiat Oncol J. 1998;16(4):485-495.
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PURPOSE: The major goal of the therapy in the soft tissue sarcoma is to control both local and distant tumor. However, the technique of obtaining local control has changed significantly over the past few decades from more aggressive surgery to combined therapy including conservative surgery and radiation and/or chemotherapy. We retrospectively analyzed the treatment results of the postoperative radiation therapy... |
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- Understanding the Response Characteristics of X-ray Verification Film
- Inhwan J Yeo, Jinsil Seong, Sung Sil Chu, Gwi Eon Kim, Chang Ok Suh, Sandra E Burch, Chris K Wang
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Radiat Oncol J. 1998;16(4):505-516.
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PURPOSE: This study is intended to understand the sensitometric charac teristics and the emulsion properties of the commercially available CEA TVS film in comparison with the Kodak X-Omat V film.
MATERIAL AND METHODS: For this purpose, we have formulated an analytic expression of the characteristic curves for x-ray film exposed to mixed radiation of electrons, photons, and visible light. This mathematical... |
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- Radiation Dose of Lens and Thyroid in Linac-based Radiosurgery in Humanoid Phantom
- Dae Yong Kim, Il Han Kim
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Radiat Oncol J. 1998;16(4):517-530.
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PURPOSE: Although many studies have investigated the dosimetric aspects of stereotactic radiosurgery in terms of target volume, the absorbed doses at extracranial sites; especially the lens or thyroid - which are sensitive to radiation for deterministic or stochastic effect -have infrequently been reported. The aim of this study is to evaluate what effects the parameters of radiosurgery have on the... |
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