Journal of Clinical Oncology · 2002 · 402 citations · 15 references
Pancreatic endocrine neoplasms exhibit a spectrum of biologic behavior, and the proposed benign (macroadenoma) and borderline groups contain potentially aggressive tumors. An alternative system based on mitotic rate and necrosis correlates strongly with survival without specifically designating any group as benign.
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Pancreatic endocrine tumors: Immunocytochemical analysis of 125 tumors
Philipp U. Heitz, Marlis Kasper, Julia M. Polak et al. · Human Pathology · 1982 · 334 citations
Giuseppe Pelosi, Enrica Bresaola, Giuseppe Bogina et al. · Human Pathology · 1996 · 268 citations