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Gastric hyperplastic polyps coexisting with early gastric cancers, adenoma and neuroendocrine cell hyperplasia
K Karpińska-Kaczmarczyk1, M Lewandowska, A Białek
1Katarzyna Karpińska-Kaczmarczyk, Department of Pathomorphology, Pomeranian Medical University, Unii Lubelskiej 2, 71-242 Szczecin, Poland,
Abstract:
Gastric hyperplastic polyps (GHP) constitute up to 93% of all benign epithelial polyps of the stomach. The average probability of malignant transformation in GHP is 0.6-22% in large series. The aim of the study was to present the coexistence of GHP with early gastric cancer (EGC), gastric adenoma (GA), neuroendocrine cell hyperplasia (NH) and well-differentiated neuroendocrine tumour (NET G1). Three cases were studied to reveal clinical data and morphological changes and to assess the relationship between GHP and accompanying gastric neoplastic lesions.
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