Figure 3From: Automated quantification of Ki-67 proliferative index of excised neuroendocrine tumors of the lungLarge cell neuroendocrine carcinoma. A.H&E, 20x magnification, large cell neuroendocrine tumor with solid and pseudoglandular growth patterns. Prominent nucleoli, geographic necrosis, and mitoses are readily evident. B. Ki-67, 20x magnification, showing 91.9% tumor positivity by digital image analysis.Back to article page