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| Practical value of omentum biopsy guided by ultrasound in the differential diagnosis of benign and malignant ascites |
| TAO Chun-mei, WANG Xue-mei, LIU Yan-jun, OU Guo-cheng, LI Ping |
| Department of Ultrasonography, the First Affiliated Hospital of China Medical University, Shenyang 110001, China |
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Abstract Objective: To explore the practical value of ultrasound-guided biopsy of omentum in the differential diagnosis of benign and malignant ascites in clinic. Methods: One hundred and fifty-two patients of uncertain ascites with thickened omentum of different degree and in different sites were observed on ultrasound. All the patients underwent thickened omentum biopsy guided by ultrasound, and gained pathological results. Simultaneously, all the patients underwent ascitic cytological examination and tumor-marker(AFP, CEA, CA199, CA125) tests. Results: The positive rate of omentum biopsy was 96.1%(146/152), which is higher than the ascitic cytological examination and ascitic tumor-marker tests. Conclusions: Ultrasound-guided biopsy of omentum is the first-choice and also the most valuable diagnostic method in clinic for uncertain ascites with thickened omentum.
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Received: 15 August 2007
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Corresponding Authors:
WANG Xue-mei
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2008, Vol. 19 
