Lipoma

  • Etiology: proliferation of fat tissue
  • US: not 100% diagnostic, may have variable appearance
  • CT: negative Hounsfield unit is diagnostic
  • Note: imaging cannot 100% reliably differentiate between lipoma, lipoblastoma, liposarcoma

Cases of Lipoma

CT of lipoma of the chest wall and thigh
Axial CT without contrast shows a symmetrical appearing chest wall (top), a fat density center-right sided chest wall mass (middle) and a fat density anterior left thigh mass (bottom).