LipomaAngiofibromaNeoplasms, Muscle TissueSpindle ApparatusNevus, Spindle CellMuscle SpindlesMicrotubulesMitosisSarcoma, KaposiSarcomaMyofibromaCarcinosarcomaGranuloma, Plasma CellAnaphaseSarcoma, SynovialKinetochoresSolitary Fibrous TumorsSoft Tissue NeoplasmsImmunohistochemistryCentrosomeVimentinMetaphaseKinesinLeiomyosarcomaLiposarcomaChromosome SegregationMicrotubule-Associated ProteinsNeoplasms, Fibrous TissueNeurilemmomaFibroma