Cell Debris in Fluid

Areflective fluid spaces with hyperreflective coarse granular deposits Static fluid, no flow from perfusion as seen in vessels Observed in areas of liquifactive necrosis Pus filled bulla

Fluid

Areflective well defined pools for localised edema or diffuse hyporeflective areas for inflammatory edema/erythema Representative of both tissue fluid, water and other non-scattering fluids in the absence of blood Fluid pools from an intradermal saline injection