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Gastrointest Endosc. 2003 Feb;57(2):251-4.

EUS-guided FNA for the diagnosis of gallbladder masses.

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1
Section of Gastroenterology, Boston University Medical Center, Massachusetts 02118, USA.

Abstract

BACKGROUND:

Gallbladder masses can be identified endosongraphically, but FNA for cytologic diagnosis is not routine. This is a review of our experience with EUS-guided FNA of gallbladder masses.

METHODS:

Records of patients undergoing EUS were reviewed to identify cases in which FNA of the gallbladder was performed. Reports of EUS procedures, EUS images, cytology results, and clinical records were reviewed.

OBSERVATIONS:

Six cases were identified. The final diagnosis was gallbladder carcinoma in 5 and xanthogranulomatous cholecystitis in one. In each case, EUS revealed a hypoechoic mass within the gallbladder wall or gallbladder lumen. Gallbladder wall calcification was observed in 3 of the 5 cases of carcinoma. FNA yielded a specimen that was positive (n = 3) or raised a suspicion (n = 1) for adenocarcinoma in 4 of the 5 proven malignancies. FNA of regional lymph nodes demonstrated metastatic adenocarcinoma in 2 cases. FNA was negative for malignancy in the case of xanthogranulomatous cholecystitis and one case of proven carcinoma. There were no complications.

CONCLUSIONS:

EUS-guided FNA of gallbladder masses is safe and can provide a definitive diagnosis of malignancy. Gallbladder carcinoma appears endosonographically as a hypoechoic mass and may be associated with focal wall calcifications.

PMID:
12556797
DOI:
10.1067/mge.2003.86
[Indexed for MEDLINE]

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