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- Original Articles
- Association of p53 Protein Expression with Clinical Outcome in Advanced Supraglottic Cancer
- Jin Oh Kang, Seong Eon Hong
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Radiat Oncol J. 1998;16(1):1-6.
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PURPOSE: To determine the incidence and prognostic effect of p53 expression in patients with advanced supraglottic cancer.
MATERIALS AND METHODS: Twenty-one cases of total 48 advanced supraglottic cancer patients who received postoperative adjuvant radiation therapy were evaluated by immunohistochemical staining employing p53 monoclonal antibody.
RESULT: Three out of six stage III patients and four out of fifteen stage IV patients showed p53... |
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- Concurrent Chemoradiation in Patients with Cancer of the Esophagus
- Kang Kyoo Lee, Kyung Ran Park, Jong Young Lee, Hyun Soo Shin, Chong In Lee, Woo Ick Chang, Young Hak Shim
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Radiat Oncol J. 1998;16(1):7-16.
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PURPOSE: To evaluate survival rate and prognostic factors affecting survival of patients with esophageal cancer treated with concurrent chemoradiation.
MATERIALS AND METHODS: Eligibility included biopsy proven invasive carcinoma of the cervical or thoracic esophagus, confined to esophagus and mediastinum with or without regional lymph node and supraclavicular lymph node, and ECOG performance status H0-H2. Patients received radiation therapy with 5940 cGy... |
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- Radiotherapy in Incompletely Resected Gastric Cancers
- Jong Hoon Kim, Eun Kyung Choi, Jung Gil Cho, Byung Sik Kim, Sung Tae Oh, Dong Kwan Kim, Hyesook Chang
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Radiat Oncol J. 1998;16(1):17-25.
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PURPOSE: Although local recurrence rates of stomach cancer after radical surgery have been eported in the range of 30-70%, the role of postoperative adjuvant therapy has not been established. We report the result of radiotherapy in resected stomach cancer with positive surgical margin to elucidate the role of postoperative radiotherapy.
MATERIALS AND METHODS: From June 1991 to August 1996, twenty five... |
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- Comparison of Postoperative Adjuvant Radiation therapy alone vs. Chemoradiotherapy in Adenocarcinoma of the Rectum
- John Jihoon Lim, Won Park, Jinsil Seong, Chang Ok Suh, Gwi Eon Kim, Jin Sik Min, Hyun Cheol Chung, Jae Kyung Roh, Byung Soo Kim
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Radiat Oncol J. 1998;16(1):35-41.
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PURPOSE: To investigate the role of adjuvant chemoradiotherapy in adenocarcinoma of the rectum, we retrospectively compared the treatment results between postoperative adjuvant radiotherapy alone and combined chemoradiotherapy.
MATERIAL AND METHODS: From October 1989 to May 1994, 141 patients with rectal carcinoma were treated by postoperative adjuvant therapy in Yonsei Cancer Center. Sixty eight patients were treated by radiation therapy alone. Seventy... |
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- The Role of Radiotherapy for Carcinomas of the Gall Bladder and Extrahepatic Biliary Duct: Retrospective analysis
- Hyeon Ju Jeong, Hyun Ju Lee, Kwang Mo Yang, Hyun Suk Suh, Re Hwe Kim, Sung Rok Kim, Hong Ryong Kim
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Radiat Oncol J. 1998;16(1):43-49.
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PURPOSE: Carcinomas arising in the gall bladder (GB) or extrahepatic biliary ducts are uncommon and generally have a poor prognosis. The overall 5- year survival rates are less than 10%. Early experiences with the external radiation therapy demonstrated a good palliation with occasional long-term survival. The present report describes our experience over the past decade with irradiation of primary carcinomas... |
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- Efficacy of Small Bowel Displacement System in Post-Operative Pelvic Radiation Therapy of Rectal Cancer
- Yong Chan Ahn, Do Hoon Lim, Moon Kyung Kim, Hong Gyun Wu, Dae Yong Kim, Seung Jae Huh
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Radiat Oncol J. 1998;16(1):63-69.
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PURPOSE: This study is to evaluate the efficacy of small bowel displacement system (SBDS) in post-operative pelvic radiation therapy (RT) of rectal cancer patients by measurement of small bowel volume included in the radiation fields receiving therapeutic dose.
MATERIALS AND METHOD: Ten consecutive new rectal cancer patients referred to the department of Radiation Oncology of Samsung Medical Center in May of... |
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- The Broad-beam CT Image Reconstruction from Simulator Images
- Byong Yong Yi
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Radiat Oncol J. 1998;16(1):71-79.
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PURPOSE: To generate the axial, coronal and sagittal images from conventional simulation images, as a preliminary study of broad-beam simulator CT.
METHODS AND MATERIALS: Volumetric filtered back-projection was performed using 90 sheets of films from conventional simulator for every 4. gantry angle. Two mAs exposure condition for 120kVp beam quality at SFD 140cm was given to each film. Outside the silhouette... |
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