ISL1 and pancreatic neuroendocrine neoplasm: Graham Graham RP RP Shrestha Shrestha B B Caron Caron BL BL Smyrk Smyrk TC TC Grogg Grogg KL KL Lloyd Lloyd RV RV Islet-1 is a sensitive but not entirely specific marker for pancreatic neuroendocrine neoplasms and their metastases Islet-1 is a sensitive but not entirely specific marker for pancreatic neuroendocrine neoplasms and their metastases Am J Surg Pathol Am J Surg Pathol 2013 2013 37 37 3 3 399 399 10.1097/PAS.0b013e31826f042c 10.1097/PAS.0b013e31826f042c supplied-pmid 23348208?