“…A total of sixteen studies with nineteen unique case reports with pathologically confirmed primary bone PEComas were available via PubMed, Embase and Web of Science ( Fig. 5 ) [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] , [21] , [22] , [23] . Taking current case into account, ten males and ten females with a median age of 34 years, and a range from 3 to 93 years, were identified.…”