Nonenhanced helical CT is a highly accurate technique for diagnosing or excluding acute appendicitis. Developing experience with the technique and understanding the subtleties of interpretation can further improve diagnostic accuracy.

Although malignant fibrous histiocytoma (MFH) is a common sarcoma of late adulthood, it has rarely been reported to involve the pancreas. We describe the clinical and imaging features of a 27-year-old patient presenting with a predominantly cystic MFH. The cystic appearance of the lesion corresponded histologically to necrosis and hemorrhage within the mass.