Mo1318 ROLE OF ENDOSCOPIC ULTRASOUND IN CASES WITH SUSPECTED PANCREATIC AND PERIAMPULLARY TUMORS WITH NONESPECIFIC OR NEGATIVE FINDINGS IN COMPUTED TOMOGRAPHY OR MAGNETIC RESONANCE IMAGING: MULTICENTRE AND PROSPECTIVE STUDY

Computed tomography (CT) and magnetic resonance cholangiopancreatography (MRCP) are the first diagnostic methods used in patients with suspected pancreatic or periampullary tumors. However, when there is a strong clinical suspicion but the images are imprecise, another study must be performed. The results of a published meta-analysis about this diagnostic issue showed that the EUS had sensitivity (S) of 85%, specificity of 58% and precision of 75% for diagnosing pancreatic tumors.

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