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Table of Contents | , 1991  Vol. 9  No.2 Previous Issue | Next Issue | Archive
In this issue:


Randomized Controlled Trial
MVP Chemotherpy and Hyperfractionated Radiotherapy for Stage III Unresectable Non-Small Cell Lung Cancer: Randomized for maintenance Chemotherapy vs. Observation: Preliminary Report
Euk Kyung Choi, Hyesook Chang, Cheolwon Suh, Kyoo Hyung Lee, Jung Shin Lee, Sang Hee Kim, Chul Joon Choi, Youn Suck Koh, Woo Sung Kim, Won Dong Kim, Sam Hyun Kim, Kwang Hyun Sohn
Radiat Oncol J. 1991;9(2):215-220.
To evaluate the effect of MVP chemotherapy and hyperfractionated radiotherapy in Stage III unresectable non small cell lung cancer (NSCLC), authors have conducted a prospective randomized study since January 1991. Stage IIIa or IIIb unresectable NSCLC patients were treated with hyperfractionated radiotherapy (120 cGy/fx BID) up to 6500 cGY following 3 cycles of induction MVP (Mitomycin C 6 mg/m2, vinblastine...
Original Articles
Thermal Distribution in a Phantom Using 8MHz RF Capacitive Type Hyperthermia
Jong Young Lee, Kyung Ran Park, Kye Jun Kim, Ki Joon Sung
Radiat Oncol J. 1991;9(2):171-176.
To evaluate the temperature distribution according to the size of the electrode and the thickness of the phantom using 8MHz radiofrequency capacitive heating device, various sized electrodes and phantoms were used in combination. The radii of the electrodes are 10, 15, 20, 25, 30 and 35cm. When the thickness of the phantom was 25cm or 30cm, homogenous heating was achieved...
Radiotherapy of Pineal and Ectopic Pineal Tumors
Heung Lae Cho, Seung Chang Sohn
Radiat Oncol J. 1991;9(2):177-184.
From December 1984 to February 1990, 16 patients with tumors of pineal and suprasellar location were treated with radiation therapy. Tissue diagnoses were obtained before radiation therapy in 5 patients and 11 were irradiated without histologic confirmation. Initial treatments for these patients were craniospinal plus boost primary irradiation(six), whole brain plus boost primary irradiation(nine), primary tumor site irradiation(one). The 5...
Radiation Therapy for Pituitary Adenoma: Changes in Endocrine Function after Treatment
Sei Chul Yoon, Hong Suck Jang, Song Whan Kim, Kyung Sub Shinn, Yong Whee Bahk, Ho Young Son, Joon Ki Kang
Radiat Oncol J. 1991;9(2):185-195.
Seventy four patients with pituitary adenoma received radiation therapy(RT) on the pituitary area using 6 MV linear accelerator during the past 7 years at the Division of Radiation Therapy, kangnam St. mary's hospital, Catholic University Medical College. Thirty nine were men and 35 were women. The age ranged from 7 to 65 years with the mean being 37 years. Sixty...
Prognostic Factors in Patients with Vrain Metastases from Non-Small Cell Lung Carcinoma
Seong Eon Hong
Radiat Oncol J. 1991;9(2):197-204.
A retrospective study of 53 patients suffering from non-small cell carcinoma of lung with brain metastases is presented. They were treated in the Department of Therapeutic Radiology of Kyung Hee University Hospital from 1983 to 1990. There were 37 male and 16 female patients. The age range was 39 to 85 years (median=59). The most common histologic cell type of...
A Comparision of Radiotherapy Alone with Induction Chemotherapy-Radiotherapy in Inoperable Head and Neck Cancer
In Kyu Park, Sang Mo Yun, Sang Bo Kim, Samuel Ryu, Jun Sik Park
Radiat Oncol J. 1991;9(2):205-213.
In order to determine the value of induction chemotherapy (CT) for inoperable head and neck cancer, the authors conducted a retrospective study. Fifty-five patients were treated with CT and radiotherapy(RT)(CT + RT group). This group was compared with a group of 54 patients treated RT alone (RT alone group). The CT regimen used were CF (cis-platine + 5-FU), CVB(cyclophos-phamide +...
Hyperfractionated Radiotherapy with Concomitant Boost Technique for Unresectable Non-Small Cell Carcinoma of the Lung
Hachung Chun, Myung Za Lee
Radiat Oncol J. 1991;9(2):221-225.
Twenty five patients with unresectable non-small cell carcinoma of the lung have been treated with hyperfractionated radiotherapy with concomitant boost technique since September, 1989. Those patients with history of previous surgery or chemotherapy, pleural effusion or significant weight loss (greater than 10% of body weight) were excluded from the study. Initially, 27 Gy were delivered in 15 fractions in 3...
Remote Afterloading Hish Dose Rate (HDR) Endobronchial Brachytherapy
Hyesook Chang, Eun Kyung Choi, Byong Yong Yi, Won Dong Kim, Woo Sung Kim, Youn Suck Koh
Radiat Oncol J. 1991;9(2):227-232.
Authors described the remote afterloading endobronchial brachytherapy (EBBT) technique using the microSelectron HDR Ir-192 and the Asan Medical Center experience. Total 28 EBBT in 9 patients were performed since November 1989 and 24 EBBT in 8 patients were emploiyed for palliation and 3 EBBT in 1 patient was treated curatively. Authors observed a significant relief of obstructive symptom with tumor...
Results of Radiotherapy With and Without Chemotherapy for Esophageal Cancers
Sang Bo Kim, Sangs Mo Yun, Samuel Ryu, In Kyu Park
Radiat Oncol J. 1991;9(2):233-239.
This is a retrospective study of 62 patients with unresected squamous cell carcinoma of the esophagus treated by radiotherapy alone (25 patients) or combined chemotherapy and radiotherapy (37 patients). Of these, 14 of 25 patients treated by radiation therapy alone and 25 of 37 patients treated by combined chemotherapy and radiotherapy completed radiotherapy consisting of 55 to 60 Gy in...
The Radiotherapy Result of Esophageal Cancer
Woong Ki Chung, Sung Ja Ahn, Byung Sik Nah
Radiat Oncol J. 1991;9(2):241-248.
Ninety patients of esophageal cancer treated with radiation since November 1985 to June 1990 at the Deprtment of Therapeutic Radiology, Chonnam University Hospital, were analysed retrospectively regarding survival. Seventy five patients (94.9%) revealed squamous cell carcinoma in its histologic type, and most ofpatients were in advanced stage with 25 patients (27.8%) of T2 and 64 patients (71.1%) of T3 Minimum...
The Analysis of Failure Pattern in Locally Advanced Stomach Cancer Treated with surgery and Post-Op Chemotherapy: To Explore The Role of Post-Op Irradiation
Eun Kyung Choi, Hyesook Chang, Cheolwon Sun, Kyoo Hyung Lee, Jung Shin Lee, Sang Hee Kim, Hae Ryun Kim, Myung Hwan Kim, Young Il Min, Jin Cheon Kim, Sung Gyu Lee, Kun Choon Park
Radiat Oncol J. 1991;9(2):249-252.
A Retrospective study to analyze the failure pattern in locally advanced stomach cancer, trated with radical surgery and post-op chemotherapy was perfomed. Among 107 patients who underwent radical gastrectomy in Asan Mdical Center between June 1989 and August 1990. there were 20 stage II(T2NO,T2N1) and 87 stage III(T3N1,T3N2) and 91 patients were eligible for study. 57 patients treated with 6...
The Role of Radiotherapy in the Treatment of Extrahepatic Bile Duct Carcinoma
Hyun Soo Shin, Gwi Eon Kim, Hyung Sik Lee, Chang Ok Suh, John J K Loh, Jong Tae Lee
Radiat Oncol J. 1991;9(2):253-263.
Twenty-seven patients with unresectable extrahepatic bile duct carcinoma (n=21) or with microscopic evidence of tumor rest after aggressive surgery for extrahepatic bile duct carcinoma(n=6) between 1985 and 1990 were given radiotherapy consisting intentionally external radiotherapy and /or intraluminal therapy using Gamma-Med 12i (192-lr) high dose rate (HDR) remote control afterloading system following bile drainage procedures and Gianturco stent insertion. The...
Intraoperative Radiotherapy (IORT) for Locally Advanced Colorectal Cancer
Myung Se Kim, Sung Kyu Kim, Jae Hwang Kim, Koing Bo Kwan, Heung Dae Kim
Radiat Oncol J. 1991;9(2):265-270.
Colorectal cancer is the second most frequent malignant tumor in the United States and fourth most frequent tumor in Korea. Surgery has been used as a primary treatment modality but reported overall survivals after curative resection were from 20% to 50%. Local recurrence is the most common failure in the treatment of locally advanced colorectal cancer. Once recurrence has developed,...
Efficiency of Staging Work-Ups in the Evaluation of Carcinoma of the Uterine Cervix
Jae Sung Kim, Sung Whan Ha
Radiat Oncol J. 1991;9(2):271-276.
A series of 510 patients with carcinoma of the uterine cervix given the curative radiation therapy from March 1979 through December 1986 was evaluated to determine the value of intravenous pyelography(IVP), cystoscopy, sigmoidoscopy, and abdomino-pelvic CT as staging work-up prior to treatment. On IVP and cystoscopy, 10.7%(49/456) and 5/3%(24/452) showed abnormality, respectively, but only 0.7% (3/413) did on signoidoscopy. As...
Adenocarcinoma of the Uterine Cervix
Eun Ji Chung, Hyun Soo Shin, Hyung Sik Lee, Gwi Eon Kim, John J Kyu Loh, Chang Ok Suh
Radiat Oncol J. 1991;9(2):277-284.
Survival data, prognostic factors, and patterns of failure were retrospectively analyzed for a total of 76 patients with adenocarcinoma of the uterine cervix treated between January 1981 and December 1987, which represents 4.1% of all primary cervical carcinomas treated, at Department of Radiation Oncology, Yensei Cancer Center, Yonsei University College of Medicine. The mean age of the patients was 49years(range,...
Analysis of Treatment Failures in Early Uterine Cervical Cancer
Joo Young Kim, Kyu Chan Lee, Myung Sun Choi
Radiat Oncol J. 1991;9(2):285-291.
One hundred and twenty six patients with early uterine cervical cancer who had been treated at department of Radiation Oncology of Korea University Hospital from jan. 1981 to Dec. 1988 were analysed retrospectively by the treatment result and pattern of failures. All patients had stage la to lla disease and were grouped whether they had combination of operation and postop irradiation...
Clinical Significance of Plasma CEA Levels in the Patients with Cervical Carcinoma during Follow-Up
Sung Beom Ban, Joo Young Kim, Myung Sun Choi, Joong Yeol Rha, Min Jae Lee
Radiat Oncol J. 1991;9(2):293-301.
Carcinoembryonic antigen (CEA) has been studied in the field of gynecologic malignancy to determine whether it can be used as a tumor marker for early detection of recurrence or evaluation of therapeutic results. From January 1985 through December 1989, a total of 239 cervical cancer patients were entered for an analysis of plasma CEA level in the group with cervical...
Ultrastructural Effects of Irradiation on Squamous Cell Carcinoma of the Uterine Cervix
Jin Hee Kim, Ok Bae Kim, Tae Jin Choi, Sang Sook Lee, Kwan Kyu Park, Kun Young Kwon, Young Wook Suh, Tae Sung Lee, Tak Lee, Soon Do Cha
Radiat Oncol J. 1991;9(2):303-310.
Nineteen patients with previously untreated invasive squamous cell carcinoma of the uterine cervix were treated by irradiation alone at the Keimyung University Hospital from January, 1990 to July, 1991. The serial samplings of the tissue taken before and during radiation of the uterine cervix were studied by light and electron microscopic examination. Radiation-induced cellular changes, particularly nuclear degeneration was pronounced....
The Results of Combined Modality Treatment with Transurethral Resection, Cisplatin and Radiation Therapy for Invasive Bladder Cancer
Yoon Kyeong Oh
Radiat Oncol J. 1991;9(2):311-317.
Ten patients with deep muscle-invading bladder carcinoma (clinical stage T3a to T4b) who were not candidates for cystectomy were treated with combined modality treatment with transurethral resection, cisplatin chemotherapy and pelvic irradiation from 1989 through 1990, and were analyzed retrospectively. All patients were not candidates for cystectomy because the trmors were judged unresectable or they were not fit for a...
Remote After Loading HDR Brachytherapy for female Urethral Cancer
Jeong Gil Cho, Eun Kyung Choi, Hyesook Chang, Byong Yong Yi, Kwang Hoon Kim, Jong Goo Lee
Radiat Oncol J. 1991;9(2):319-324.
In our institution, a 76-year-old woman with primary urethral carcinoma was treated with remote afterloading high dose rate (HDR) interstitial brachytherapy using micro selectron Ir-192. In this paper, authors described the technical aspect of remote afterloading HDR interstitial brachytherapy for female urethal cancer.
The Role of Radiation Therapy in Management of Wilms' Tumor
Mi Sook Kim, Il Han Kim, Hyong Geun Yun
Radiat Oncol J. 1991;9(2):325-331.
Treatment results of 28 patients with Wilms' Tumor who received radiation therapy at the Department of Therapeutic Radiology, Seoul National University Hospital from 1979 to 1988 were analyzed. The median follow-up period for the survivors was 40 months. The local control and overall survival rate at 3 years were 78.1% and 67.4%, respectively. The local control was not affected by age....
The Physical Penumbra of the 6MV X-ray
Moon June Cho, Wee Saing Kang
Radiat Oncol J. 1991;9(2):333-336.
High energy photon beam margin due to a less side scatter and the other things. But there still remains a penumbra where the dose changes rapidly in the region near the edge of a radiation beam, although it is short in width. It is suggested that the width of the penumbra depends on the source size, distance from source to...
The Comparison of the KAPM Dosimetric Protocol (1990) with the TG-21 and Clambda/C(E) Method
Byong Yong Yi, Eun Kyung Choi, Hyesook Chang
Radiat Oncol J. 1991;9(2):337-342.
The Comparison of the KAPM Dosimetric Protocol (1990) with the TG-21 and Clambda/C(E) (ICRU-21 and SCRAD protocol) method is studied. The therapetutic range of radiation (photon 4MV-15MV and electron 6MeV-20MeV)and three kinds of the chambers were used in the water phantom. The Results from TG-21 and KAPM Protocol did not show much differences (less than 1%) throughout the whole energy...
Development of a New Radiotherapy Technique using the Quasi-conformation Method
Tae Jin Choi, Jin Hee Kim, Ok Bae Kim
Radiat Oncol J. 1991;9(2):343-350.
The quasi-conformation therapy was performed to get a homogeneous dose distributions for irregeular shaped tumor lesion by using the arc moving beam and beam modifying filer which was made by cerrobend alloy (p=9.4g/cc) metal. In our dose calcuation programme, it was fundmentally based on Clarkson's method to calcuate the irregular multi-step block field in rotation therapy. In this study, the...
Optimization of Dose Distribution for LINAC-based Radiosurgery with Multiple Isocenters
Tae Suk Suh, Sei Chul Yoon, Kyung Sub Shinn, Yong Whee Bahk
Radiat Oncol J. 1991;9(2):351-359.
The current LINAC technique for radiosurgery utilizes a single isocenter approach with multiple noncoplanar arcs. This approach results in spherical dose distributions in the target. Many arteriovenous malformations and tumors suitable for radiosurgical treatment have non-spherical or irregular shapes. The basic approach presented in this paper is to use two or multiple isocenters with standard arcs to shape irregular target volumes...
Annual Statistics of Radiation Therapy : 1990
Radiat Oncol J. 1991;9(2):361-367.
This paper on the status of radiotherapy machine and related facilities, clinical activities and radiation safety management is based on the statistical data which collected through the questionnaire sent to a total number of 37 hospitals holding the Department of Therapeutic Radiology in Korea. It is true that the quality of instruments installed in the hospitals equal to that of...
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