Biliary sludge is a coarse, mud-like material that has a clinical spectrum which overlaps with that of cholelithiasis.
The sludge may range from a semi-liquid to a relatively firm material. Microscopic exam may show the presence of microlithiasis.
Clinical features:
(1) right upper quadrant pain
(2) variable episodes of acute pancreatitis
(3) visible sludge at the ampulla of Vater
Sludge has a characteristic appearance on ultrasonography.
Gallstones may or may not be present. In the absence of stones it is in the differential diagnosis of acalculous cholecystitis.
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Specialty: Gastroenterology, Surgery, general
