<prompt> Which soft tissue sarcoma commonly gives to bone secondaries: PGI June 2008FibrosarcomaLiposarcomaOsteosarcomaNeurofibroma  <response>: Ans. C Osteosarcoma Any cancer can spread to bone ,but in adults more than 75 of skeletal metastases originate from cancers of the prostate,breast,kidney lung. In children, metastases to bone originate from Neuroblastoma, Wilms tumor, Osteosarcoma, Ewing sarcoma Rhabdomyosarcoma- Robbins7th1303Sarcoma Metastasizing through lymhatics causing L.N involvement LymhosarcomaQ RhabdomyosarcomaQ AngiosarcomaQ Clear cell sarcomaQ Epithelial sarcoma M aligna nt fibrous histiocytomaQ Synovial cell sarcomaQ 