Endoscopic Ultrasound-Guided Fine-Needle Aspiration in the Evaluation of Gallbladder Masses

 

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Background and Study Aims: There are very few data on endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) of gallbladder masses. The aim of this study was to assess the utility and safety of EUS-FNA in the evaluation of patients with gallbladder masses.
Patients and Methods: Six patients who underwent EUS-FNA of gallbladder masses over a 2-year period between 2002 and 2004 were studied retrospectively. Reports of endoscopic ultrasound (EUS) procedures, EUS images, cytology results, and clinical records were reviewed. Abdominal computed tomography (CT) prior to EUS had revealed a definitive gallbladder mass in only one of the six patients and no gallbladder masses were identified in any of the patients who had undergone prior transabdominal ultrasound.
Results: At EUS, all the patients were found to have an echo-poor mass arising from the gallbladder wall or within the lumen of the gallbladder. EUS-FNA of the gallbladder masses revealed adenocarcinoma in five patients and benign disease in one patient. After a mean follow-up period of 127 days (range 90 - 187 days), three patients had died, two were undergoing palliative chemoradiotherapy, and one had been confirmed as having chronic cholecystitis at surgery. No complications occurred.
Conclusions: In patients with obstructive jaundice and equivocal ultrasound or CT findings, evaluation of the gallbladder for the presence of a primary malignancy by EUS is useful. In patients with gallbladder masses, EUS-FNA can be performed safely and can help to make a definitive diagnosis.

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S. Varadarajulu, M.D.

Division of Gastroenterology-Hepatology, University of Alabama at Birmingham ·

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