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Schistosomiasis may contribute to goblet cell carcinoid of the appendix.
MedLine Citation:
PMID:  22746391     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Abstract : To investigate whether schistosomiasis can contribute to appendiceal goblet cell carcinoid, appendix samples were obtained from 3 patients with combined appendiceal schistosomiasis and goblet cell carcinoid (CSG), 6 patients with goblet cell carcinoid only (GCC), 12 patients with appendiceal schistosomiasis only (ASO), and 12 cases with normal appendix (NA), all of similar gender ratio and age distributions. Hematoxylin and eosin-(H&E) stained sections were studied in 3 CSGs and 12 ASOs to diagnose schistosomiasis by detecting schistosome eggs. H&E and alcian blue/PAS-stained sections and immunohistochemistry of CgA and CEA were employed to establish the diagnosis of GCC in the 3 CSGs and 6 GCCs. Then, to determine whether schistosomiasis can contribute to GCC, immunostaining patterns of CgA and Ki67 in mucosal crypt epithelia were investigated and compared among all 33 cases. Our results revealed typical histological and immunohistochemical phenotypes of GCC in the 3 CSGs and 6 GCCs and schistosome egg deposits in 3 CSGs and 12 ASOs. We found that the expression levels of both CgA and Ki67 in mucosal crypt epithelia were significantly higher in CSG than in GCC (P < 0.05  =  0.013 and P  =  0.004, respectively). Moreover, high expression levels of both CgA and Ki67 in mucosal crypt epithelia favor ASO as compared to NA (P < 0.001  =  3.4 × 10(-6) and 3.1 × 10(-5), respectively). Our findings suggest that appendiceal schistosomiasis was associated with increased proliferation and neuroendocrine differentiation of mucosal pluripotent crypt cells and that it may contribute to GCC, which is documented to originate from mucosal pluripotent crypt cells in mucosal crypt epithelia.
Authors:
Yong Jiang; Hu Long; Ting Li; Weiya Wang; Huawei Liu; Xiuhui Zhang
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of parasitology     Volume:  98     ISSN:  1937-2345     ISO Abbreviation:  J. Parasitol.     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-07-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803124     Medline TA:  J Parasitol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  565-8     Citation Subset:  IM    
Affiliation:
Department of Pathology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China. e-mail: xiuhui_zhang@yahoo.com.
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