Pseudo-sludge.
The authors differentiate between the sonographic appearance to spurious echoes in the gallbladder (pseudo-sludge) and the similar appearance of echogenic bile.
D001646:Bile / Q000032:analysis*; D002764:Cholecystitis / Q000175:diagnosis* / Q000378:metabolism; D003951:Diagnostic Errors; D005704:Gallbladder / Q000032:analysis*; D006801:Humans; D008875:Middle Aged; D014463:Ultrasonography