Primary Pleomorphic Liposarcoma of Liver: A Case Report and Review of the Literature

Table 1

Sl	Tumor	Abberation	Genes involved
(1)	Myxoid/round cell liposarcoma,	t(12;16)(q13;p11)	TLS-CHOP
(2)	Atypical lipomatous neoplasm/well-differentiated liposarcoma	Supernumerary ring chromosomes; giant marker chromosomes	Amplification of region 12q13-15, including MDM2, CDK4, HMGA2, SAS, GL1
(3)	Dedifferentiated liposarcoma	Supernumerary ring chromosomes; giant marker chromosomes	Amplification of region 12q14-15, including MDM2, CDK4, HMGA2, SAS, GL1
(4)	Pleomorphic liposarcoma	Complex alterations	UNKNOWN

(NCCN guidelines V.2.2009).