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COMPARATIVE STUDY
EVALUATION STUDIES
JOURNAL ARTICLE
Contrast enhanced sonography of the gallbladder: a tool in the diagnosis of cholecystitis?
European Journal of Radiology 2007 Februrary
RATIONALE AND OBJECTIVES: To evaluate if contrast enhanced sonography (CES) can help to detect gallbladder inflammation and differentiate between acute and chronic cholecystitis.
MATERIALS AND METHODS: Thirty-three patients with clinical suspicion of acute cholecystitis were examined with CES before cholecystectomy. Thirty patients with no history of gallbladder disease served as control. CES was performed using 2.5 mL SonoVue. A small mechanical index was chosen (0.1). The enhancement pattern of the gallbladder was ranked in a three-point scale: no enhancement, low enhancement and strong enhancement. 28/33 patients underwent surgery. Sonographic findings were compared to histological results.
RESULTS: In 16/20 cases with histological proven acute cholecystitis, the gallbladder wall showed a strong enhancement. Low enhancement was found in four patients with acute and in six patients with chronic cholecystitis. The gallbladder wall of two patients with chronic inflammation and all patients (30/30) of the control group showed no enhancement.
CONCLUSION: CES is a feasible tool for detecting gallbladder inflammation. Differentiating between acute and chronic cholecystitis seems to be possible.
MATERIALS AND METHODS: Thirty-three patients with clinical suspicion of acute cholecystitis were examined with CES before cholecystectomy. Thirty patients with no history of gallbladder disease served as control. CES was performed using 2.5 mL SonoVue. A small mechanical index was chosen (0.1). The enhancement pattern of the gallbladder was ranked in a three-point scale: no enhancement, low enhancement and strong enhancement. 28/33 patients underwent surgery. Sonographic findings were compared to histological results.
RESULTS: In 16/20 cases with histological proven acute cholecystitis, the gallbladder wall showed a strong enhancement. Low enhancement was found in four patients with acute and in six patients with chronic cholecystitis. The gallbladder wall of two patients with chronic inflammation and all patients (30/30) of the control group showed no enhancement.
CONCLUSION: CES is a feasible tool for detecting gallbladder inflammation. Differentiating between acute and chronic cholecystitis seems to be possible.
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