Thirty four consecutive patients suspected of having pancreatic neoplasm were taken endoscopic rerograde cholangio-pancreatography and ultrasonogaphy and computed tomography. RESULT : 1. The age distribution ranged from 21 years to 70 years. Among them the most common age group was between 41 years and 50 years. 2. The results of ERCP were 65% accurate, 6% fase negative and 29% failure. 3. The results of CT were 74% correct, false negative 12%, false positive 6% and 8% indeterminate. The rate of false negative and false positive were more high in CT as compared with ERCP. 4. The results of ultrasonography were 59% correct, false negative 9%, false positive 3%, 29% indeterminate. 5. When CT and ERCP findings were identical, the acuracy rate was 89%.