Is Triple Phase Multidetector Computed Tomography (MDCT) Useful in the Evaluation of Pancreatic Endocrine Tumours?
Departments of 1Radiology, and 2Surgery, Vita-Salute University, San Raffaele Hospital. Milan, Italy ABSTRACT Aim To assess if triple-phase technique is the best choice in the evaluation of pancreatic endocrine lesions. Materials and methods Twenty-two proven pancreatic lesions were retrospectively evaluated. All the lesions were studied with MDCT triple-phase technique performed with 16-channel CT scanner and were submitted to surgical treatment (n=18) or endoscopic ultrasonography guided fine needle aspiration cytology (n=4). Images obtained during each phase were interpreted distinctly by two senior radiologists, experienced in pancreatic pathology, in blinded evaluation. The attenuation of the endocrine tumours and of normal pancreas and the mean absolute tumour-to-gland attenuation difference, in arterial, pancreatic and portal phases were measured. Furthermore, the detection of arterial variations and of hypervascular liver metastases was analysed. Results Mean tumour-to-gland at
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