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Table 2 Classification of MiNEN according to their grade of malignancy

From: Title: pancreatic‐type mixed acinar neuroendocrine carcinoma of the stomach: a case report and review of the literature

 

Non-neuroendocrine component

Neuroendocrine component

High-grade MiNEN

Carcinomaa or adenoma

Poorly differentiated neuroendocrine carcinoma (G3) of small- or large-cell type

Intermediate-grade MiNEN

Carcinomaa

Well-differentiated neuroendocrine tumour (G1-G2)

 

Amphicrine carcinomas

 

Low-grade MiNEN

Adenoma

Well-differentiated neuroendocrine tumour (G1-G2)

  1. Adapted from La Rosa et al [7]. a Carcinoma generally consists of adenocarcinoma but can be squamous-cell or acinar-cell carcinoma as well
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Diagnostic Pathology

ISSN: 1746-1596

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