Round- to ovoid-shaped cells, similar to Ewing sarcoma cells, organized in sheets and nests, with osteoid matrix
Selected Bibliography
Bertoni F, Present D, Bacchini P, Pignatti G, Picci P, Campanacci M (1989) The Istituto Rizzoli experience with small cell osteosarcoma. Cancer 64(12):2591–2599PubMedPubMedCrossRef