Comments:
This case of PNET arising in the kidney shows prominent rosette formation. PNET usually shows immunoreactivity for CD99, FLI-1 (carboxy terminus of FLI-1 fusion protein) and are negative for WT-1. Am J Surg Pathol 2002 March; 26(3):320-7.return to Miscellaneous Benign & Malignant Tumors in Kidney
