Surgical Pathology Criteria

Gastric Neuroendocrine Hyperplasia, Dysplasia and Neoplasia (Carcinoid Tumors)

Grading / Staging

Proposed grading scale based on proliferation

Grade Mitotic count per 10 hpf % of cells Ki67+
G1 <2 ≤2
G2 2-20 3-20
G3 >20 >20

Grading/Staging References

 

Correlation of grade with stage
Grade Approx incidence of node mets Approx incidence of distant mets
G1 5% 2.5%
G2 30% 10%
G3 70% 70%

Staging

 

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