Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
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Scientific Publications on Thyroid Ultrasound between 2001 and 2020: Differences in Research Characteristics by Disciplines

  • Won Chul Shin (Department of Radiology, Kangdong Seong-Sim Hospital, Hallym University College of Medicine) ;
  • Chae Woon Lee (Department of Radiology, Kangdong Seong-Sim Hospital, Hallym University College of Medicine) ;
  • Jiyeon Ha (Department of Radiology, Kangdong Seong-Sim Hospital, Hallym University College of Medicine) ;
  • Kyoung Ja Lim (Department of Radiology, Kangdong Seong-Sim Hospital, Hallym University College of Medicine) ;
  • Young Lan Seo (Department of Radiology, Kangdong Seong-Sim Hospital, Hallym University College of Medicine) ;
  • Eun Joo Yun (Department of Radiology, Kangdong Seong-Sim Hospital, Hallym University College of Medicine) ;
  • Dae Young Yoon (Department of Radiology, Kangdong Seong-Sim Hospital, Hallym University College of Medicine)
  • Received : 2021.11.22
  • Accepted : 2022.04.25
  • Published : 2022.08.01
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Abstract

Objective: To analyze the characteristics and trends of scientific publications on thyroid ultrasound (US) from 2001 to 2020, specifically examining the differences among disciplines. Materials and Methods: The MEDLINE database was searched for scientific articles on thyroid US published between 2001 and 2020 using the PubMed online service. The evaluated parameters included year of publication, type of document, topic, funding, first author's specialty, journal name, subject category, impact factor, and quartile ranking of the publishing journal, country, and language. Relationships between the first author's specialty (radiology, internal medicine, surgery, otorhinolaryngology, and miscellaneous) and other parameters were analyzed. Results: A total of 2917 thyroid US publications were published between 2001 and 2020, which followed an exponential growth pattern, with an annual growth rate of 11.6%. Radiology produced the most publications (n = 1290, 44.2%), followed by internal medicine (n = 716, 24.5%), surgery (n = 409, 14.0%), and otorhinolaryngology (n = 171, 5.9%). Otorhinolaryngology and internal medicine published significantly more case reports than radiology (p < 0.001, each). Radiology published a significantly higher proportion of publications on imaging diagnosis (p < 0.001 for all) and a significantly lower proportion of publications on biopsy (p < 0.001 for all) than the other disciplines. Publications produced by radiology authors were less frequently published in Q1 journals than those from other disciplines (p < 0.005 for internal medicine and miscellaneous disciplines and < 0.01 for surgery and otorhinolaryngology). China contributed the greatest number of publications (n = 622, 21.3%), followed by South Korea (n = 478, 16.4%) and the United States (n = 468, 16.0%). Conclusion: Radiology produced the most publications for thyroid US than any other discipline. Radiology authors published more notably on imaging diagnosis compared to other topics and in journals with lower impact factors compared to authors in other disciplines.

Keywords

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