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A retrospective analysis of radiation oncology related scientific articles in the journal Veterinary Radiology and Ultrasound: Trends over 40 years (1976‐2015)
- Nagata, Koichi
- Veterinary radiology & ultrasound 2019 v.60 no.3 pp. 351-357
- case studies, dosimetry, image analysis, observational studies, patients, planning, radiology, radiotherapy, retrospective studies
- The journal Veterinary Radiology & Ultrasound is a veterinary specialty journal devoted to the fields of veterinary diagnostic imaging and radiation oncology. The purpose of this retrospective, observational study is to evaluate progressive trends in radiation oncology articles published in Veterinary Radiology & Ultrasound during the 40‐year period (1976‐2015) and describe a shift of trends through several viewpoints. This 40‐year period was divided into four subperiods: Period 1 (1976‐1985), Period 2 (1986‐1995), Period 3 (1996‐2005), and Period 4 (2006‐2015). These articles were divided into six categories based on the nature of the study: 1) studies related to teletherapy with endpoints being patient outcome, 2) radiation therapy dosimetry/planning, 3) patient setup, 4) reviews, 5) case reports, and 6) others. The number of radiation oncology articles in Veterinary Radiology & Ultrasound has increased over the 40‐year period. The number of authors per article has increased between Periods 1 and 3. The number of articles related to linear accelerator has increased between Periods 3 and 4. The median number of treated patients per clinical article related to teletherapy ranged from 15 to 21, which has not changed significantly over the 40‐year period. The most commonly used radiation therapy protocols during Periods 2 and 3 were fine‐fractionated protocols (defined as 10 or more fractions), whereas coarse‐fractionated protocols were more common during Periods 1 and 4. Findings from this study highlight the notable changes of trends in veterinary radiation oncology articles published in Veterinary Radiology & Ultrasound, which clearly reflect changes in the field of veterinary radiation oncology during the past 40 years.