CT Radiomic Features of Pancreatic Neuroendocrine Neoplasms

"Radiomic features will be calculated and extracted from all contrast and non-contrast CT-scans. First order features will be evaluated and high order features will be grouped in parent matrices. Parent matrices of second and third order will be chosen and evaluated.~In the second part, based on the results of inter-correlation of the operator analysis, the most significant radiomic features will be chosen. Morphological and histopathological features will be evaluated will be.~Histopathology will be performed on a biopsy specimen; percentage of Ki67 and grading will be evaluated."