A Stomach Neuroendocrine Carcinoma With CCNE1 Amplification: A Case Report and Brief Review of Literature.
Zhengfan Xu, Qing Chang
✦ AI-curated · Sources linked
Case in brief
The report describes a patient with a gastric neuroendocrine carcinoma whose morphology and molecular alterations were ambiguous, raising the diagnostic challenge of distinguishing poorly differentiated neuroendocrine carcinoma from a grade 3 well-differentiated neuroendocrine tumor. The abstract does not provide further clinical presentation, specific pathologic or molecular findings beyond the title’s mention of CCNE1 amplification, or the patient’s treatment and outcome.
What made this case unusual
The diagnostic ambiguity between two neuroendocrine neoplasm categories, in a gastric tumor reported with CCNE1 amplification, is the case’s notable feature.
Diagnostic / clinical pearl
When distinguishing grade 3 well-differentiated neuroendocrine tumor from poorly differentiated neuroendocrine carcinoma, integrate morphology and molecular findings; the distinction has clinical implications.