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Table of Contents | September, 2021  Vol. 39  No.3 Previous Issue | Next Issue | Archive
In this issue:


Review Article
Cytogenetic biological dosimetry assays: recent developments and updates
Tamizh Selvan Gnanasekaran
Radiat Oncol J. 2021;39(3):159-166.   Published online June 24, 2021
Biological dosimetry is the measurement of radiation-induced changes in the human to measure short and long-term health risks. Biodosimetry offers an independent means of obtaining dose information and also provides diagnostic information on the potential for “partial-body” exposure information using biological indicators and otherwise based on computer modeling, dose reconstruction, and physical dosimetry. A variety of biodosimetry tools are available...
Original Articles
Clinical Investigation
Tailored stereotactic radiotherapy technique using deep inspiration breath-hold to reduce stomach dose for cardiac radioablation
Myung-Jin Cha, Phillip S. Cuculich, Clifford G. Robinson, Ji Hyun Chang
Radiat Oncol J. 2021;39(3):167-173.   Published online June 16, 2021

Purpose: To provide a new insight on a novel safe cardiac radioablation using deep inspiration breath-hold (DIBH) to reduce gastrointestinal dose. Materials and Methods: For treating incessant ventricular tachycardia (VT) originated from left ventricle inferior scar abutting the stomach, a target delineation and treatment planning for cardiac radioablation was performed. With four different computed tomography (CT) scan protocols—DIBH, full expiration breath-hold,...
Survey of radiation field and dose in human papillomavirus-positive oropharyngeal cancer: is de-escalation actually applied in clinical practice?
Kyu Hye Choi, Jin Ho Song, Yeon-Sil Kim, Sung Ho Moon, Jeongshim Lee, Young-Taek Oh, Dongryul Oh, Jin Ho Kim, Jun Won Kim
Radiat Oncol J. 2021;39(3):174-183.   Published online September 23, 2021

Purpose: Studies on de-escalation in radiation therapy (RT) for human papillomavirus-related (HPV(+)) oropharyngeal cancer (OPC) are currently ongoing. This study investigated the current practice regarding the radiation dose and field in the treatment of HPV(+) OPC. Materials and Methods: The Korean Society for Head and Neck Oncology conducted a questionnaire on the primary treatment policy. Among them, for HPV(+) OPC scenarios,...
Late toxicities in locally advanced head and neck squamous cell carcinoma treated with intensity modulated radiation therapy
Sandeep Muzumder, Nirmala Srikantia, Avinash H. Udayashankar, Prashanth Bhat Kainthaje, M. G. John Sebastian, John Michael Raj
Radiat Oncol J. 2021;39(3):184-192.   Published online September 13, 2021

Purpose: The study aims to report late toxicities in locally advanced head-and-neck squamous cell carcinoma (LAHNSCC) treated with intensity-modulated radiation therapy (IMRT). Materials and Methods: A retrospective study was conducted on 103 patients of LAHNSCC treated with IMRT. We analyzed the cumulative incidence of late xerostomia, dysphagia, and aspiration at an interval of 6-month, 1-year, 2-year, and 3-year from the start...
Single photon emission computed tomography-computed tomography visualization of sentinel lymph nodes for lymph flow guided nodal irradiation in oral tongue cancer
Sergey Nikolaevich Novikov, Pavel Ivanovich Krzhivitskii, Zamira Achmedovna Radgabova, Maxim Andreevitch Kotov, Mikhail Markovich Girshovich, Anna Sergeevna Artemyeva, Yulia Sergeevna Melnik, Sergey Vasilevich Kanaev
Radiat Oncol J. 2021;39(3):193-201.   Published online September 24, 2021

Purpose: To evaluate correlation of single photon emission computed tomography-computed tomography (SPECT-CT) data on lymph flow (LF) from oral tongue cancer (OC) and the topography of lymph nodes (LN) metastases; to determine the clinical value of lymph flow guided radiotherapy (LFGRT). Materials and methods: SPECT-CT visualization of LF from the OC lesions was performed after peritumoral injection of 99mTc-phytate in 26...
Safety and efficacy of 10-fraction hypofractionated radiation therapy for non-small cell lung cancer
Ye Jin Yoo, Su Ssan Kim, Si Yeol Song, Jong Hoon Kim, Seung Do Ahn, Sang-wook Lee, Sang Min Yoon, Young Seok Kim, Jin-hong Park, Jinhong Jung, Eun Kyung Choi
Radiat Oncol J. 2021;39(3):202-209.   Published online September 9, 2021

Purpose: To investigate the safety and efficacy of hypofractionated radiation therapy (HFRT) in patients with non-small cell lung cancer who are unfit for surgery or stereotactic body radiation therapy (SBRT) at our institution. Materials and Methods: From May 2007 to December 2018, HFRT was used to treat 68 lesions in 64 patients who were unsuitable for SBRT because of central tumor...
Salvage radiation therapy for postoperative locoregionally recurrent non-small cell lung cancer: a single-center experience
Yoon Young Jo, Su Ssan Kim, Si Yeol Song, Eun Kyung Choi
Radiat Oncol J. 2021;39(3):210-218.   Published online September 24, 2021

Purpose: To determine the effectiveness of salvage radiation therapy (RT) in patients with locoregional recurrence (LRR) following initial curative resection of non-small cell lung cancer (NSCLC) and identify the prognostic factors affecting survival. Materials and Methods: Between January 2009 and January 2019, 54 patients with LRR after NSCLC surgery were treated with salvage RT (83.3%) or concurrent chemoradiation therapy (16.7%)....
Dose escalated simultaneous integrated boost of gross nodal disease in gynecologic cancers: a multi-institutional retrospective analysis and review of the literature
Garrett Lee Jensen, Megan Ann Mezera, Salman Hasan, Kendall Pye Hammonds, Gregory Peter Swanson, Moataz Nier El-Ghamry
Radiat Oncol J. 2021;39(3):219-230.   Published online July 13, 2021

Purpose: Typical doses of 45–50.4 Gy used to treat regional nodes have demonstrated inadequate control of gross nodal disease (GND) in gynecologic cancer, and accelerated repopulation may limit the efficacy of a sequential boost. We reviewed outcomes of patients treated with a simultaneous integrated boost (SIB) at 2.25 Gy per fraction to positron emission tomography (PET) avid GND to evaluate...
Comparison of radical prostatectomy and external beam radiotherapy in high-risk prostate cancer
Seok-Joo Chun, Jin Ho Kim, Ja Hyeon Ku, Cheol Kwak, Eun Sik Lee, Suzy Kim
Radiat Oncol J. 2021;39(3):231-238.   Published online September 9, 2021

Purpose: We evaluated clinical outcomes of high-risk prostate cancer patients receiving external beam radiotherapy (EBRT) or radical prostatectomy (RP). Materials and Methods: Patients were classified as high-risk prostate cancer and received definitive treatment between 2005 and 2015. Patients with previous pelvic radiotherapy, positive lymph node or distant metastasis were excluded. The primary outcomes were prostate cancer-specific survival (PCSS) and distant metastasis-free...
Early toxicities of ultrahypofractionated stereotactic body radiotherapy for intermediate risk localized prostate cancer using cone-beam computed tomography and real-time three-dimensional transperineal ultrasound monitoring
Eric Ka-Chai Lee, Ronnie Wing-Kin Leung, Hollis Siu-Leung Luk, Barry Bar-Wai Wo
Radiat Oncol J. 2021;39(3):239-245.   Published online September 28, 2021

Purpose: Image-guided radiotherapy (IGRT) is central to the safe and effective delivery of ultrahypofractionated (UF) stereotactic body radiotherapy (SBRT) for localized prostate cancer. However, the optimal IGRT modality remains uncertain. We aim to study the safety of performing UF-SBRT using cone-beam computed tomography (CBCT) and real-time transperineal ultrasound (TPUS) monitoring. Materials and Methods: We retrospectively review the medical records of...
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