1. Neuroendocrine tumors metastatic to the liver: How to select patients for liver transplantation? 
Vincenzo Mazzaferro, Andrea Pulvirenti, Jorgelina Coppa 
Journal of Hepatology 
Volume 47, Issue 4, Pages (October 2007)
DOI: /j.jhep
Copyright © 2007 European Association for the Study of the Liver Terms and Conditions

2. Fig. 1
Proliferation index (grading) of gastrointestinal NET as assessed by Ki67 immunocytochemistry in biopsies of liver metastases. Arrows indicate positive cells. (a) Well-differentiated carcinoid (Ki67: none or <2% cells/10 HPF); (b) low-grade malignant carcinoid (Ki67: 2–5% cells/10 HPF); (c) poorly-differentiated endocrine carcinoma (Ki67: >10% cells/10 HPF).
Journal of Hepatology  , DOI: ( /j.jhep )
Copyright © 2007 European Association for the Study of the Liver Terms and Conditions

3. Fig. 2
Diffuse hepatic metastases by low-grade malignant carcinoid limited to less than 50% of the hepatic parenchyma. The specimen belongs to a young girl with primary tumor removed in the terminal ileum; she is alive and well with no sign of recurrence 15 years after liver transplantation.
Journal of Hepatology  , DOI: ( /j.jhep )
Copyright © 2007 European Association for the Study of the Liver Terms and Conditions