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Table of Contents | , 2001  Vol. 19  No.3 Previous Issue | Next Issue | Archive
In this issue:


Review
Concurrent Cisplatin - Radiation Therapy in Locally Advanced Head & Neck Cancers: Preliminary Report
In Ah Kim
Radiat Oncol J. 2001;19(3):205-210.
PURPOSE: This study tried to evaluate the effectiveness of combined treatment using radiation therapy and concurrent cisplatin as a radiosensitizer in the management of locally advanced head and neck cancer. MATERIALS AND METHODS: From January 1995 to August 1998, 29 evaluable patients with locally advanced head & neck cancers (AJCC stage II-IV) were received curative radiation therapy (total 70-75.6 Gy/35 -42...
Original Articles
Effects of Postoperative Radiotherapy on Distribution of Bone Metastases in Breast Cancer
BoKyoung Kim, Sung Whan Ha
Radiat Oncol J. 2001;19(3):211-215.
PURPOSE: This study was done to evaluate the efficacy of low-dose radiation in reduction of thoracic vertebral metastases in patients with breast cancer. MATERIALS AND METHODS: 109 patients who were treated for bone metastasis from breast cancer from June, 1988 to June, 1998 in the Department of Therapeutic Radiology, Seoul National University were included. Of the 109 patients, 40 patients had...
Outcomes after Radiotherapy in Inoperable Patients with Squamous Cell Lung Cancer
Sung Ja Ahn, Woong Ki Chung, Byung Sik Nah, Tack Keun Nam, Young Chul Kim, Kyung Ok Park
Radiat Oncol J. 2001;19(3):216-223.
PURPOSE: We evaluated retrospectively the outcomes of inoperable squamous cell lung cancer patients treated with radiotherapy to find out prognostic factors affecting survival. MATERIALS AND METHODS: Four hundred and eleven patients diagnosed as squamous cell lung cancer between November 1988 and December 1997 were the basis of this analyses. The planned dose to the gross tumor volume was ranged from 30...
Analysis of Treatment Failure after Curative Radiotherapy in Uterine Cervical Carcinoma
Gyu Young Chai, Ki Mun Kang, Jong Hak Lee
Radiat Oncol J. 2001;19(3):224-229.
PURPOSE: The aim of this study is to analyze the treatment failure patterns and the risk factors for locoregional or distant failure of uterine cervical carcinoma treated with radiation therapy. MATERIALS AND METHODS: A retrospective analysis was undertaken of 154 patients treated with curative radiation therapy in Gyeongsang National University Hospital from April 1989 through December 1997. According to FIGO classification,...
Reirradiation in Rcurrent Cervical Cancer Following Definite Radiation Therapy
Jin Hee Kim, Tae Jin Choi, Ok Bae Kim
Radiat Oncol J. 2001;19(3):230-236.
PURPOSE: To evaluate treatment results in terms of local control, complications and survival after reirraidiation in recurrent cervical cancer following definite radiation therapy. MATERIAL AND METHODS: From November 1987 through March 1998, eighteen patients with recurrent cervical cancer following definite radiation therapy were subsequently treated with reirradiation at Keimyung University Dongsan Medical Center. In regard to the initial FIGO stage, one patient...
Combined Modality Therapy with Selective Bladder Preservation for Muscle Invading Bladder Cancer
Seon Min Youn, Kwang Mo Yang, Hyung Sik Lee, Won Joo Hur, Sin Geun Oh, Jong Cheol Lee, Jin Han Yoon, Heon Young Kwon, Kyung Woo Jung, Se Il Jung
Radiat Oncol J. 2001;19(3):237-244.
PURPOSE: To assess the tolerance, complete response rate, bladder preservation rate and survival rate in patients with muscle-invading bladder cancer treated with selective bladder preservation protocol. METHOD AND MATERIALS: From October 1990 to June 1998, twenty six patients with muscle-invading bladder cancer (clinical stage T2-4, N0-3, M0) were enrolled for the treatment protocol of bladder preservation. They were treated with maximal...
Smad6 Gene and Suppression of Radiation-Induced Apoptosis by Genistein in K562 cells
Soo Jin Jeong, Young Hee Jin, Yeo Jin Yoo, Chang Ho Do, Min Ho Jeong, Gi Yeong Huh, Hye Ran Bae, Kwang Mo Yang, Chang Woo Moon, Sin Geun Oh, Won Joo Hur, Hyung Sik Lee
Radiat Oncol J. 2001;19(3):245-251.
PURPOSE: The genes involved on the suppression of radiation-induced apoptosis by genistein in K562 leukemia cell line was investigated. MATERIALS AND METHODS: K562 cells in exponential growth phase were irradiated with a linear accelerator at room temperature. Forx-ray irradiation and drug treatment, cultures were prepared at 2x105 cells/mL. The cells were irradiated with 10 Gy (Clinac 1800C, Varian, USA). Stock solutions...
Significance of Apoptotic Cell Death after gamma-Irradiation
H G Wu, I H Kim
Radiat Oncol J. 2001;19(3):252-258.
PURPOSE: The objectives of this study are to investigate the significance of apoptotic death compared to total cell death after gamma-ray irradiation in human H&N cancer cell lines and to find out correlation between apoptosis and radiation sensitivity. MATERIALS AND METHOD: Head and neck cancer cell lines (PCI-1, PCI-13, and SNU-1066), leukemia cell line (CCRF-CEM), and fibroblast cell line (LM217) as...
Radiation-Induced Apoptosis and Mitotic Death in the Small Intestinal Crypts of Rat
Young Min Choi, Ji Shin Lee, Heung Lae Cho
Radiat Oncol J. 2001;19(3):259-264.
PURPOSE: We investigated the temporal alterations of apoptosis and mitotic death followingirradiation in the rat's small intestinal crypts. MATERIALS AND METHODS: Male Sprague-Dawley rats were irradiated 2 Gy by 6 MV linear accelerator and sacrified at 2, 4, 8, 24, 48 hours after irradiation. The mean numbers of the apoptotic cells and mitotic cells per their small intestinal crypts were measured...
Radiation-Induced Proctitis in Rat and Role of Nitric Oxide
Mison Chun, Seunghee Kang, Yoon Mi Jin, Young Taek Oh, Hoon Jong Kil, Byoung Ok Ahn, Tae Young Oh
Radiat Oncol J. 2001;19(3):265-274.
PURPOSE: Proctitis is one of acute complications encountered when radiotherapy was applied to the pelvis. Radiation-induced proctitis represents similar microscopic findings that are observed in inflammatory bowel disease (IBD). Nitric oxide (NO) plays an important role in the inflammatory process and many data suggest a close relationship between NO production and gastrointestinal inflammation. This study was aimed to establish the optimal...
Quality As surance for Intensity Modulated Radiation Therapy
Byung Chul Cho, Suk Won Park, Do Hoon Oh, Hoonsik Bae
Radiat Oncol J. 2001;19(3):275-286.
PURPOSE: To setup procedures of quality assurance (QA) for implementing intensity modulated radiation therapy (IMRT) clinically, report QA procedures performed for one patient with prostate cancer. MATERIALS AND METHODS: P3IMRT (ADAC) and linear accelerator (Siemens) with multileaf collimator are used to implement IMRT. At first, the pos itional accuracy, reproducibility of MLC, and leaf transmission factor were evaluated. RTP commissioning was...
The Role of Air-Vacuum Cushion Device in Patients with Rectal Cancer in Radiation Therapy
Ki Hwan Kim, Moon June Cho, No Hyun Kang, Dong Wuk Kim, Jun Sang Kim, Ji Young Jang, Jae Sung Kim
Radiat Oncol J. 2001;19(3):287-292.
PURPOSE: We analyzed setup errors induced by using air-vacuum cushion as immobilization device in patients with rectal cancer. MATERIALS AND METHODS: We had treated the twenty patients with rectal cancer by 6 MV, 10 MVx-ray from Aug. 1998 to Aug. 1999 at Chungnam National University Hospital. All patients were treated at prone position. They were separated to two groups, control group,...
LiF TLD in TLD Holder for In Vivo Dosimetry
Sookil Kim, John J K Loh, Byungnim Min
Radiat Oncol J. 2001;19(3):293-299.
PURPOSE: LiF TLD has a problem to be used in vivo dosimetry because of the toxic property of LiF. The aim of this study is to develop new dosimeter with LiF TLD to be used in vivo dosimetry. MATERIALS AND METHODS: We designed and manufactured the teflon box(here after TLD holder) to put TLD in. The external size of TLD holder...
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