Benign lipoblastomatosis (also known as an `Embryonic lipoma,`) is a tumor frequently confused with a liposarcoma, affecting exclusively infants and young children, with approximately 90% occurring before 3 years of age.{rp|626} ...
A diffuse form of lipoblastoma that infiltrates locally but does not metastasize. ... (05 Mar 2000) ... 
Type: Term Pronunciation: lip′ō-blas′tō-mă-tō′sis Definitions: 1. A diffuse form of lipoblastoma that infiltrates locally but does not metastasize.
lipoblastomatosis A benign lobulated tumor of fetal fat cells seen primarily in infants. It may be localized or diffuse.