<b>Lipomas, Lipoma Variants, and Well-Differentiated Liposarcomas (Atypical Lipomas):</b> Results of MRI Evaluations of 126 Consecutive Fatty Masses

Abstract

Because of differences in treatment, prognosis, and long-term follow-up, it is important to preoperatively distinguish simple lipomas from well-differentiated liposarcomas. MRI is highly sensitive in the detection of well-differentiated liposarcomas and highly specific in the diagnosis of simple lipomas. However, when an extremity or body wall lesion is considered suspicious for well-differentiated liposarcoma, it is more likely (64%) to represent one of many benign lipoma variants.