J Korean Surg Soc.  1999 Jun;56(6):872-876.

Characteristics of Gallbladder Sludge Shown as a Sonographic Pseudo-Tumor

Affiliations
  • 1Department of Surgery, Yonsei University College of Medicine.

Abstract

BACKGROUND: Due to its high diagnostic accuracy, preoperative sonographic evaluation of gallbladder disease is accepted as the most reliable and effective procedure. However we have encountered, though not so often, cases in which the sonographic tumor revealed only sludge material in reality.
METHODS
A retrospective review of 11 cases that had been preoperatively diagnosed as a gallbladder mass or stone focused on the features of the patients and the characteristics of the sonographic findings.
RESULTS
Of the cholecystectomized 2486 cases in which gallstones or gallbladder polyps had been preoperatively diagnosed, 0.4% had only sludge in reality. Symptomatic patients were 7 (64%). Pseudo- tumorous lesions of the gallbladder resembled the shapes of the stones, as well as the shapes of polyps, in their echogenic characteristics.
CONCLUSIONS
Gallbladder sludge alone can make the sonographic image of a stone or a polyp. The application of more advanced sonography, such as contrast-enhanced Doppler sonography, may contribute to the differential diagnosis of pseudo-tumorous lesions of the gallbladder; however, an indefinite lesion on sonography always deserves operative intervention.

Keyword

Gallbladder sludge; Pseudo-tumor; Ultrasonography of gallbladder

MeSH Terms

Diagnosis, Differential
Gallbladder Diseases
Gallbladder*
Gallstones
Humans
Polyps
Retrospective Studies
Sewage*
Ultrasonography*
Sewage
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