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Abdominal computed tomography revealed an increased density of peripancreatic dirty fat tissue and fluid collection (arrowheads), without (A) and with (C) contrast. Unenhanced computed tomography (B) revealed a slightly hyperdense, spindle-shaped mass, 65 mm in maximum diameter, mainly along the descending part of the duodenum (arrow). This mass showed no contrast enhancement in the arterial phase (arrow) (D).
