“…Taking case-controlled comparisons consisting of a small number of samples into account, some researchers emphasized that IFS size needs to be determined in a large number of asymptomatic individuals (with different age, sex, or region) for overall understanding of the pathological anatomy of IFI [18][19][20]28]. Generally diagnosed in middle-aged and older women, IFI may affect individuals of all ages and sexes [5,6,13,16,22,29,30]. The current literature on pediatric subjects with IFI is limited to a few case reports [30][31][32][33][34] and two casecontrolled comparisons [28,29].…”