Echo-enhanced power Doppler sonography has a high sensitivity and specificity in the differential diagnosis of pancreatic tumours. However, histology is the standard of reference.

Echo-enhanced power Doppler sonography has high sensitivity and high specificity for the differentiation of neuroendocrine lesions from other pancreatic tumors. However, histologic evidence is the standard of reference for the differential diagnosis of pancreatic tumors.

Pancreatic tumours display different vascularization patterns in the echo-enhanced power-Doppler sonography. These characteristics can be useful for the differential diagnosis of pancreatic tumours.

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Metastases of renal cell carcinomas and ductal carcinomas show different vascularization pattern at echo-enhanced power-Doppler sonography. Renal cell metastases and neuroendocrine tumors have similar contrast behaviors, therefore, clinical symptoms should be referred for their differentiation. However, histology is the standard of reference for the differential diagnosis of pancreatic tumors.