Solid and papillary epithelial neoplasm - Ultrasound and CT features of anunusual pancreatic tumour

The ultrasonographic and computed tomography features of four cases of soli d and papillary epithelial neoplasm (SPEN) - a rare pancreatic tumour - are described. Although not diagnostic, the presence of these imaging features in the typical clinical setting may permit pre-operative radiological diag nosis and facilitate planning for curative surgery for this malignant tumou r which has an excellent prognosis even without further adjuvant therapy.