gastric neuroendocrine tumor

Gastric neuroendocrine growths (Solcia E, 1988)

 Normal pattern
 Hyperplasia

• Simple (diffuse)
• Linear (chain-forming)
• Micronodular
• Adenomatoid

 Dysplasia

• Dysplastic (precarcinoid) lesions
• Enlarging micronodules
• Fusing micronodules
• Microinvasive lesion
• Nodule with newly formed stroma

 Neoplasia

• Intramucosal tumor (carcinoid): microcarcinoid, microcarcinoidosis
• Invasive tumor (carcinoid)

Open references

 Neuroendocrine pathology of the stomach: the Parma contribution. Bordi C.
Endocr Pathol. 2014 Jun;25(2):171-80. doi : 10.1007/s12022-014-9315- PMID: 24782101 [Free]

 Classification of gastric neuroendocrine tumors and its clinicopathologic significance.
Yu JY, Wang LP, Meng YH, Hu M, Wang JL, Bordi C. World J Gastroenterol. 1998 Apr;4(2):158-161. PMID: 11819263 [Free]

References

 Solcia E, Bordi C, Creutzfeldt W, Dayal Y, Dayan AD, Falkmer S, Grimelius L, Havu N (1988) Histopathological classification of nonantral gastric endocrine growths in man. Digestion 41:185-200.