Scientometric profile of global male breast cancer research.

An analysis of 4165 papers published during 2005-2014 on male breast cancer and indexed by Science Citation Index-Expanded indicates that the publication output in this nascent field is increasing steadily. The output is scattered among 91 countries, and USA ranks first in the publication output as well as impact in terms of citations per paper (CPP) and relative citation impact (RCI). The global compound annual growth rate during the period of study is 6.2. Change in transformative activity index is highest for the People's Republic of China (PRC). However, impact of research output is low for PRC. The research output is highly scattered in terms of prolific institutions, authors and journals publishing research results. Most of the prolific institutions are located in USA. Among the prolific institutions, the highest value of CPP and RCI was for Massachusetts General Hospital (USA), and among authors the highest value of CPP and RCI was for Thompson D. from the University of Cambridge (England). [ABSTRACT FROM AUTHOR]