Other than osteosarcoma, sun-ray appearance is also seen in:
Osteosarcoma produces sun-ray or sunburst appearance with spicules of new bone radiating outward on the periphery in the sclerosing form of osteosarcoma. Sun-ray appearance is also seen in Ewing's sarcoma.
Ewing's sarcoma
Fibrous dysplasia
Chondrosarcoma
All of the above