8850/1 Atypical lipoma


Superficial well differentated liposarcoma
Well differentiated liposarcoma of superficial soft tissue


Connective, subcutaneous and other soft tissues
ICD-O-3 topography code: C49

An intermediate, locally aggressive lipomatous neoplasm. Microscopically, the adipose tissue contains large and pleomorphic lipoblasts, and is dissected by fibrous septa containing spindle cells. It requires a wide local excision, may recur locally, but never metastasizes.