“…Breast involvement is very rare, both as a primary or as a metastatic site [7]. Only a few cases of primary RMS of the breast in children have been reported in the literature (table 1) [8,9,10,11,12,13,14,15,16,17,18,19,20,21,22]. Due to the extremely rare incidence of primary breast RMS, radiologic imaging features have yet to be clearly defined.…”