One cytogenetic study has shown findings consistent with ordinary lipoma
Clinical
Benign
Bibliography
Rau T, Soeder S, Olk A, Aigner T. Parosteal lipoma of the thigh with cartilaginous and osseous differentiation: an osteochondrolipoma. Ann Diagn Pathol. 2006 Oct;10(5):279-82.
Petit MM, Swarts S, Bridge JA, Van de Ven WJ. Expression of reciprocal fusion transcripts of the HMGIC and LPP genes in parosteal lipoma. Cancer Genet Cytogenet. 1998 Oct 1;106(1):18-23.
Miller MD, Ragsdale BD, Sweet DE. Parosteal lipomas: a new perspective. Pathology. 1992 Jul;24(3):132-9.