Pubic BonePubic SymphysisOsteitisMuscle, SkeletalMusclesGroinCystostomySarcoma, Small CellDesmoplastic Small Round Cell TumorBone and BonesMuscle ContractionPelvisBone RemodelingMuscle ProteinsMuscle, SmoothBone DensityMuscle Fibers, SkeletalMuscle, Smooth, VascularBone ResorptionMuscle DevelopmentBone Marrow