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Table of Contents | , 1992  Vol. 10  No.1 Previous Issue | Next Issue | Archive
In this issue:


Case Report
Malignant Schwannomas of the Ethmoid Sinus and the Larynx :Case Report and Review of Literatures
Kyu Chan Lee, Myung Sun Choi
Radiat Oncol J. 1992;10(1):77-84.
The incidence of malignant schwannoma in the head and neck is extremly rate. Most tumors apper as a rapidly expanding nonpainful mass and the symptoms are usually attributablet to local expansion of the mass. About one half occurs in association with von Recklinghausen's disease. Wide surgical excision is generally recommended as a primary treatment. Recently, there has been a trend to...
Original Articles
8MHz RF Capacitive Heating on Rabbit Lung
Hong Seok Jang, Jang Woo Kim
Radiat Oncol J. 1992;10(1):1-6.
The usefulness of hyperthermia for cancer therapy has been established. The purpose of the present investigation was to access feasibility of heating normal lung and the temperature and power requirement were compared with that for liver as solid organ in rabbits by using radiofrequent heating machine. In this study, 20 rabbits were divided into 2 groups according to the heating...
Stereotactic Radiosurgery for Intracranial Tumors : Early Experience with Linear Accelerator
Chang Ok Suh, Sang Sup Chung, Sung Sil Chu, Young Soo Kim, Do Heum Yoon, Sun Ho Kim, John J Kyu Loh, Gwi Eon Kim
Radiat Oncol J. 1992;10(1):7-14.
Between August 1988 and December 1991, 24 patients with intracranial tumors were treated with stereotactic radiosurgery(RS) using a 10 MV linear accelerator at Severance Hospital, Yonsei University College of Medicine. There were 5 meningiomas, 3 craniopharyngiomas, 9 glial tumors, 2 solitary metastases, 2 acoustic neurinomas, 2 pineal tumors, and 1 non-Hodgkin's Iymphoma. Ten patients were treated as primary treatment after diagnosis...
Brainstem Tumors : Results of 20 Patients Treated with Radiation Therapy
Woo Cheol Kim, Chang Ok Suh, Hong Ruyll Pyo, John J K Loh, Gwi Eon Kim
Radiat Oncol J. 1992;10(1):15-20.
A total of 20 patients(male : female=10:10, adult : children=8:12) with brainstem tumors had been received radiation therapy in the Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine between 1980 and 1990. Thirteen of 20 patients were treated with conventional radiation therapy (before 1989, 180~200 cGy per fraction, 5 days a week, total dose 4680~5400 cGy),...
Stereotactic Radiosurgery of 26 Intracranial Arteriovenous Malformations with Linear Accelerator
Sei Chul Yoon, Tae Suck suh, Hong Seok Jang, Kyu Ho Choi, Moon Chan Kim, Kyung Sub Shinn, Yong Whee Bahk
Radiat Oncol J. 1992;10(1):21-26.
From July 1988 through November 1991, 26 patients with inoperable arteriovenous malformations were treated with 6 MV linear accelerator at the Kangnam St. Mary's Hospital, Catholic University Medical College. There were 5 females and 21 males with median age of 29 years (range: 6~63 years) and median follow up times of 15 months (range: 4~40 months). The arteriovenous malformation volumes...
Radiosensitization of Cis-Platinum in the Treatment of Advanced Head and Neck Squamous Cell Carcinoma
Hyesook Chang
Radiat Oncol J. 1992;10(1):27-34.
Cis-Platinum (DDP) was utilized as a radiosensitizer in a pilot study for stage III and IV squamous cell carcinoma between 1984-1987, and DDP 20 mg/M2/day was administered for 4 days at 3 week interval with concurrent radiotherapy. This study consisted of three phases: cytoreduction phase, eradicative treatment phase and adjuvant phase. Total 59 patients were subjected to evaluate a tumor...
The Role of Radiation Therapy in the Treatment of Adenoid Cystic Carcinoma of the Head and Neck
Won Dong Kim, Charn Il Park, Kwang Hyun Kim
Radiat Oncol J. 1992;10(1):35-42.
Forty eight patients with adenoid cystic carcinoma(ACC) in the head and beck treated between 1979 and 1990 were reviewed according to treatment modalities and clinical courses. The common site of origin was minor salivary gland (69%), mostly had palate and maxillary sinus. 11 patients received radiation therapy(RT) alone and 37 patients received combined surgery and radiation therapy. The follow-up period...
Results of Postoperative Radiotherapy for Breast Carcinoma
Ju Ree Kim, Kwang Mo Yang, Hyun Suk Suh
Radiat Oncol J. 1992;10(1):43-48.
Between December 1983 and December 1989, twenty-five breast carcinoma patients were treated with surgical resection and postoperative radiotherapy at Inje University Seoul Paik Hospital. Twenty-three of 25 were evaluable and there were 7 patients with stageII, 14 patients with stageIII, and 2 patients with stageIV. Twenty-one patients were treated with modified radical mastectomy and the remained 2 patients with simple...
External Radiation Therapy Combined with Hyperthermia in the Carcinoma of Extrahepatic Biliary System
Hoon Sik Bae
Radiat Oncol J. 1992;10(1):49-58.
From January 198e to September 1990,7 patients with carcinoma of the extrahepatic biliary system received external radiaiton therapy combined with hyperthermia. of the 3 patients with extrahepatic bile duct cancer, two were primary cholangiocarcinoma and one was metastatic peripancreatic carcinoma. Of the 4 patients with carcinoma of the gallbladder, two were locoregionally advanced and unresectable carcinoma and the remaining two...
Pretreatment prognostic Factors in Early Stage Carcinoma of the Uterine Cervix
Mi Sook Kim, Sung Whan Ha
Radiat Oncol J. 1992;10(1):59-68.
From March 1979 through December 1986, 124 patients with early stage carcinoma of the uterine cervix received curative radiation therapy. According to FIGO classification, 35 patients were stage IB and 89 were stageIIA. In stage IB, five year locoregional control, five year disease A, five year locoregional control, five disease free survival, and five year overall survival were 78.0%, 66.8%,...
Analysis of Pretreatment Prognostic Factors in Locally Advanced Carcinoma of the Uterine Cervix
Do Hoon Oh, Sung Whan Ha, Moo Song Lee
Radiat Oncol J. 1992;10(1):69-76.
To identify pretreatment prognostic factors in locally advanced carcinoma of the uterine cervix, retrospective analysis was undertaken of 154 patients treated with curative radiation therapy at Seoul National University Hospital, from March 1979 through December 1980. According to FIGO classification, eight patients were stage IIIA, 134 were stage IIIB, and 12 were stage IVA. Five year locoregional control rate was...
The dosimetric Properties of Electron Beam Using Lyon Intraoperative Device for Intraoperative Radiation Therapy
Kye Jun Kim, Kyung Ran Park, Jong Young Lee, Hie Yeon Kim, Ki Joon Sung, Sung Sil Chu
Radiat Oncol J. 1992;10(1):85-94.
We have studied the dosimetric properties of electron beam using Lyon intraoperative device for intraoperative radiation therapy. The dosimetry data had compiled in such a way that a quick and correct decision regarding the cone shape, energy, and accurate calculations could be made. Using 3 dimensional water phantom, we have got the following data: cone output ratios, surface dose, dmax, dgo,...
New Techniques for Optimal Treatment Planning for LINAC-based Sterotactic Radiosurgery
Tae suk Suh
Radiat Oncol J. 1992;10(1):95-101.
Since LINAC-based stereotactic radiosurgery uses multiple noncoplanar arcs, three-dimensional dose evaluation and many beam parameters, a lengthy computation time is required to optimize even the simplest case by a trial and error. The basic approach presented in this paper is to show promising methods using an experimental optimization and an analytic optimization. The purpose of this paper is not to...
Stereotactic Radiosurgery for Recurrent Glioblastoma Multiforme using Yeungnam Localization Device :Technical note and Clinical trial
Sei One Shin, Sung Kyu Kim, Myung Se Kim, Oh Lyong Kim, Soo Ho Cho
Radiat Oncol J. 1992;10(1):101-107.
Authors performed a stereotactic radiosurgery with multiple noncoplanar convergent photon beams of linear accelerator (NELAC-1018 18MeV, NEC) using a specially designed Yeungnam localization device for two patients with recurrent glioblastoma multiforme. One patient had 2cmsized and the other 4cm sized mass on the CT images. After single session of treatment with 15 and 20 Gy, headache was improved in a...
Dosimetry for Total Skin Electron Beam Therapy in Skin Cancer
Sung Sil Chu, John J K Loh, Gwi Eon Kim
Radiat Oncol J. 1992;10(1):107-114.
Increasing frequency of skin cancer, mycosis fungoides, Kaposi's sarcoma etc, it need to treatment dose planning for total skin electron beam (TSEB) therapy. Appropriate treatment planning for TSEB therapy is needed to give homogeneous dose distribution throughout the entire skin surface. The energy of 6 MeV electron from the 18 MeV medical linear accelerator was adapted for superficial total skin...
High Energy Photon Beam Modeling Using Transport Theory for Calculation of Absorbed Dose Distribution
Dong Rak Choi, Ha Chung Chun, Myung Za Lee
Radiat Oncol J. 1992;10(1):115-120.
A mathematical model is presented for the calculation of the depth absorbed dose in water phantom irradiated by high energy Photon beam(10MV X-ray), based on transport theory. The parameters of this model are obtained from the experimental values which were simulated by non-linear regression process method. The calculated absorbed dose distribution is extended to 3-D by using trial function from beam...
Determination of the Phantom Scatter Factor (Sp Factor) using a small Block in the Phantom
Byong Yong Yi, Seok Min Hong, Jae Sung Kim, Eun Kyung Choi, Hyesook Chang, Myung Za Lee, Ha Chung Chun
Radiat Oncol J. 1992;10(1):121-123.
New measurement method for Sp factors (Phantom Scatter Factors) is presented. The theoretical development of the approach is disscused showing that Sp factors can be obtained from three measurements of ionnization in a blocked, reference field and open field. This method has been tested using 60Co gamma rays. The results were within 1% deviation between the theory and the experiment...
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