Background: Neuroendocrine tumors (NETs) are uncommon type of cancers, also known as APUD (amine precursor uptake decarboxylation) tumors, which are becoming increasingly prevalent. Alkaline phosphatase (ALP) is a poor prognosis factor in a number of hepatic diseases. However, its distribution and prognostic value in primary hepatic neuroendocrine tumors (PHNETs) are still not clear. In this study, our aim is to investigate the correlations between ALP and clinicopathological features and prognostic factors of PHNETs.
Methods: The clinical data of 22 patients with PHNETs were retrospectively reviewed to investigate whether ALP affects the prognosis of PHNETs.
Results: In this study, ALP is correlated to γ-glutamyl transpeptidase (GGT; p = 0.002) and the tumor location in the liver (p = 0.007), and increased levels of ALP had poor effects on overall survival (p = 0.006) and progression-free survival (p = 0.022).
Conclusion: ALP was identified as an independent prognostic factor for overall survival of PHNETs.
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