Watt A C, Haggar A M, Krasicky G A
Radiology. 1984 Jan;150(1):34. doi: 10.1148/radiology.150.1.6580676.
An unusual primary extraosseous osteogenic sarcoma is described. The tumor's mammographic appearance was highly suggestive of the correct histologic diagnosis. This case supports the theory that these tumors originate from a totipotent cell.