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Table of Contents | September, 2017  Vol. 35  No.3 Previous Issue | Next Issue | Archive
In this issue:



Review Article
Multimodal therapy for locally advanced prostate cancer: the roles of radiotherapy, androgen deprivation therapy, and their combination
Sung Uk Lee, Kwan Ho Cho
Radiat Oncol J. 2017;35(3):189-197.   Published online September 29, 2017
Locally advanced prostate cancer (LAPC) is defined as histologically proven T3–4 prostatic adenocarcinoma. In this review, we define the individual roles of radiotherapy (RT), short-term (ST-) and long-term (LT-) androgen deprivation therapy (ADT), and their combination in multimodal therapy for LAPC. Despite limitations in comparing the clinical outcomes among published papers, in the present study, a trend of 10-year clinical...
Original Articles
Clinical Investigation
Preoperative chemoradiotherapy versus postoperative chemoradiotherapy for stage II-III resectable rectal cancer: a meta-analysis of randomized controlled trials
Jin Ho Song, Jae Uk Jeong, Jong Hoon Lee, Sung Hwan Kim, Hyeon Min Cho, Jun Won Um, Hong Seok Jang, Korean Clinical Practice Guideline for Colon and Rectal Cancer Committee
Radiat Oncol J. 2017;35(3):198-207.   Published online September 15, 2017

Purpose: Whether preoperative chemoradiotherapy (CRT) is better than postoperative CRT in oncologic outcome and toxicity is contentious in prospective randomized clinical trials. We systematically analyze and compare the treatment result, toxicity, and sphincter preservation rate between preoperative CRT and postoperative CRT in stage II–III rectal cancer. Materials and Methods: We searched Medline, Embase, and Cochrane Library from 1990 to 2014 for...
Simultaneous integrated boost intensity-modulated radiotherapy versus 3-dimensional conformal radiotherapy in preoperative concurrent chemoradiotherapy for locally advanced rectal cancer
Bong Kyung Bae, Min Kyu Kang, Jae-Chul Kim, Mi Young Kim, Gyu-Seog Choi, Jong Gwang Kim, Byung Woog Kang, Hye Jin Kim, Soo Yeun Park
Radiat Oncol J. 2017;35(3):208-216.   Published online September 29, 2017

Purpose: To evaluate the feasibility of simultaneous integrated boost intensity-modulated radiotherapy (SIB-IMRT) for preoperative concurrent chemoradiotherapy (PCRT) in locally advanced rectal cancer (LARC), by comparing with 3-dimensional conformal radiotherapy (3D-CRT). Materials and Methods: Patients who were treated with PCRT for LARC from 2015 January to 2016 December were retrospectively enrolled. Total doses of 45 Gy to 50.4 Gy with 3D-CRT or...
Effect of leukocyte alteration on treatment outcomes following preoperative chemoradiotherapy in patients with rectal cancer
Tae Gyu Kim, Won Park, Doo Ho Choi, Hee Chul Park, Seok-Hyung Kim, Yong Beom Cho, Seong Hyen Yun, Hee Cheol Kim, Woo Yong Lee, Jeeyun Lee, Joon Oh Park, Young Suk Park
Radiat Oncol J. 2017;35(3):217-226.   Published online September 29, 2017

Purpose: Hematotoxicity following anti-cancer treatment is known to be related to treatment efficacy in several malignancies. The purpose of this study was to examine the hematologic parameters related to the tumor response and survival in patients treated with curative surgery following preoperative chemoradiotherapy (CRT) for rectal cancer. Materials and Methods: Four hundred eighteen patients with rectal cancer who underwent preoperative CRT...
Clinical significance of the lymph node ratio in N1 breast cancer
Jaeho Kim, Jin Hee Kim, Ok Bae Kim, Young Kee Oh, Seung Gyu Park
Radiat Oncol J. 2017;35(3):227-232.   Published online September 15, 2017

Purpose: The purpose of this study was to evaluate the prognostic value of the lymph node ratio (LNR), which was defined as the proportion of involved nodes of all dissected nodes, in pN1 breast cancer. Materials and Methods: We retrospectively analyzed the clinical data of patients with pN1 breast cancer (N = 144) treated at Keimyung University Dongsan Medical Center, Daegu,...
Refining prognostic stratification of human papillomavirus-related oropharyngeal squamous cell carcinoma: different prognosis between T1 and T2
Sumin Lee, Sang-wook Lee, Sunmin Park, Sang Min Yoon, Jin-hong Park, Si Yeol Song, Seung Do Ahn, Jong Hoon Kim, Eun Kyung Choi, Su Ssan Kim, Jinhong Jung, Young Seok Kim
Radiat Oncol J. 2017;35(3):233-240.   Published online September 29, 2017

Purpose: To validate the 8th edition of the American Joint Committee on Cancer/Union for International Cancer Control (AJCC/UICC) TNM staging system for human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) and investigate whether a modified classification better reflects the prognosis. Materials and Methods: Medical records of patients diagnosed with non-metastatic HPV-related OPSCC between 2010 and 2016 at a single institution were...
Treatment outcomes of extended-field radiation therapy for thoracic superficial esophageal cancer
Doo Yeul Lee, Sung Ho Moon, Kwan Ho Cho, Tae Hyun Kim, Moon Soo Kim, Jong Yeul Lee, Yang-Gun Suh
Radiat Oncol J. 2017;35(3):241-248.   Published online September 29, 2017

Purpose: To evaluate the efficacy and safety of extended-field radiation therapy for patients with thoracic superficial esophageal cancer (SEC). Materials and Methods: From May 2007 to October 2016, a total of 24 patients with thoracic SEC (T1a and T1b) who underwent definitive radiotherapy and were analyzed retrospectively. The median total radiotherapy dose was 64 Gy (range, 54 to 66 Gy) in...
Treatment outcome and risk analysis for cataract after radiotherapy of localized ocular adnexal mucosa-associated lymphoid tissue (MALT) lymphoma
Hee Hyun Park, Sea-Won Lee, Soo Yoon Sung, Byung Ock Choi
Radiat Oncol J. 2017;35(3):249-256.   Published online September 29, 2017

Purpose: We retrospectively reviewed the results of radiotherapy for localized ocular adnexal MALT lymphoma (OAML) to investigate the risk factors of cataract. Methods: Sixty-seven patients with stage IE OAML treated with radiotherapy at Seoul St. Mary’s Hospital from 2001 to 2016 were included. Median treatment dose was 30 Gy. Lens protection was done in 52 (76%) patients. Radiation therapy (RT) extent...
Factors associated with pulmonary toxicity after myeloablative conditioning using fractionated total body irradiation
Hwa Kyung Byun, Hong In Yoon, Jaeho Cho, Hyun Ju Kim, Yoo Hong Min, Chuhl Joo Lyu, June-Won Cheong, Jin Seok Kim, Hyo Sun Kim, Soo-Jeong Kim, Andrew Jihoon Yang, Byung Min Lee, Won Hee Lee, Joongyo Lee, Ki Jung Ahn, Chang-Ok Suh
Radiat Oncol J. 2017;35(3):257-267.   Published online September 29, 2017

Purpose: Pulmonary toxicities, including infectious pneumonia (IP) and idiopathic pneumonia syndrome (IPS), are serious side effects of total body irradiation (TBI) used for myeloablative conditioning. This study aimed to evaluate clinical factors associated with IP and IPS following TBI. Materials and Methods: Fifty-eight patients with hematologic malignancies who underwent TBI before allogeneic hematopoietic stem cell transplantation between 2005 and 2014 were...
Role of fractionated radiotherapy in patients with hemangioma of the cavernous sinus
Sunmin Park, Sang Min Yoon, Sumin Lee, Jin-hong Park, Si Yeol Song, Sang-wook Lee, Seung Do Ahn, Jong Hoon Kim, Eun Kyung Choi
Radiat Oncol J. 2017;35(3):268-273.   Published online September 29, 2017

Purpose: We performed this retrospective study to investigate the outcomes of patients with hemangioma of the cavernous sinus after fractionated radiotherapy. Materials and Methods: We analyzed 10 patients with hemangioma of the cavernous sinus who were treated with conventional radiotherapy between January 2000 and December 2016. The median patient age was 54 years (range, 31–65 years), and 8 patients (80.0%) were...
Physics Contribution
Gross tumor volume dependency on phase sorting methods of four-dimensional computed tomography images for lung cancer
Soo Yong Lee, Sangwook Lim, Sun Young Ma, Jesang Yu
Radiat Oncol J. 2017;35(3):274-280.   Published online September 29, 2017

Purpose: To see the gross tumor volume (GTV) dependency according to the phase selection and reconstruction methods, we measured and analyzed the changes of tumor volume and motion at each phase in 20 cases with lung cancer patients who underwent image-guided radiotherapy. Materials and Methods: We retrospectively analyzed four-dimensional computed tomography (4D-CT) images in 20 cases of 19 patients who underwent...
Biology Contribution
Identification of CEA-interacting proteins in colon cancer cells and their changes in expression after irradiation
Byong Chul Yoo, Seung-Gu Yeo
Radiat Oncol J. 2017;35(3):281-288.   Published online September 15, 2017

Purpose: The serum carcinoembryonic antigen (CEA) level has been recognized as a prognostic factor in colorectal cancer, and associated with response of rectal cancer to radiotherapy. This study aimed to identify CEA-interacting proteins in colon cancer cells and observe post-irradiation changes in their expression. Materials and Methods: CEA expression in colon cancer cells was examined by Western blot analysis. Using an...
Case Report
Radiation recall dermatitis triggered by sorafenib after radiation therapy for hepatocellular carcinoma
Gwi Eon Kim, Hee-Sung Song, Ki Jung Ahn, Young Suk Kim
Radiat Oncol J. 2017;35(3):289-294.   Published online September 29, 2017
Sorafenib is widely used for unresectable and metastatic hepatocellular carcinomas. Radiation recall dermatitis (RRD) is an acute inflammatory reaction confined to previously irradiated skin that occurs after the administration of certain drugs. RRD after sorafenib treatment is rare; five cases have been reported thus far. We describe a 44-year-old man irradiated for chest wall bone metastasis from hepatocellular carcinoma. Eight...
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