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. 2017 Dec 21;9(2):2715-2725.
doi: 10.18632/oncotarget.23595. eCollection 2018 Jan 5.

Clinicopathological features and prognosis of intestinal hepatoid adenocarcinoma: evaluation of a pooled case series

Xiangyu Zeng  1 , Peng Zhang  1 , Hua Xiao  2 , Xiuli Wu  3 , Weizhen Liu  1 , Jun He  3 , Jinbo Gao  1 , Guobin Wang  1 , Xiaoming Shuai  1 , Kaixiong Tao  1
Affiliations

Clinicopathological features and prognosis of intestinal hepatoid adenocarcinoma: evaluation of a pooled case series

Xiangyu Zeng et al. Oncotarget. .

Abstract

Backgroud: Intestinal hepatoid adenocarcinoma (IHA) is a very rare and unique intestinal malignancy. Due to the lack of case series specifically pertaining to IHA, the clinicopathological features and prognosis of it remain unclear.

Results: Of the 42 patients enrolled in this study, 30 (71.4%) were male. Twenty-one cases (50.0%) were located in the colon. Eight cases (19.0%) had accompanying inflammatory bowel disease (IBD). Elevated serum alpha-fetoprotein (AFP) was detected for most patients (25/33, 84.8%). Twenty-five (59.5%) patients received complete resections. Vascular invasion (22/36, 61.1%), lymph node metastasis (28/36, 77.8%) and distant metastasis (21/42, 50.0%) were common. The 1-year progression-free survival (PFS) and disease-specific survival (DSS) of IHA were 26.9% and 30.6%, respectively. Multivariate analysis showed that only pTNM stage was an independent risk factor for PFS and DSS. PFS and DSS in patients with IHA were significantly lower than those with colorectal adenocarcinoma (CA) and hepatoid adenocarcinoma of the stomach (HAS).

Conclusions: IHA most commonly occurred in the colon and accompanied by IBD in several cases. pTNM stage was an independent factor for prognosis. The prognosis of IHA was significantly worse than that of CA and HAS.

Patients and methods: Clinical data of IHA from four patients managed at our institution between January 2010 and December 2016, and 38 cases from research databases prior to 2017 were retrospectively studied.

Keywords: feature; hepatoid adenocarcinoma; intestines; prognosis; stomach.

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Conflict of interest statement

CONFLICTS OF INTEREST All the authors have no potential conflicts of interest.

Figures

Figure 1
Figure 1. PFS and DSS of IHA
Figure 2
Figure 2. PFS of IHA by univariate analysis
Figure 3
Figure 3. DSS of IHA by univariate analysis
Figure 4
Figure 4. Flow chart of match atrategy between IHA and HAS
Figure 5
Figure 5. Comparision of PFS and DSS between IHA and HAS
See this image and copyright information in PMC

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