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An adenocarcinoma arising from the ampulla of Vater. Morphologically, it is characterized by the presence of mucin-containing signet-ring cells.
No clinical trials have been registered for ampullary signet ring cell adenocarcinoma.
5 publications have been identified in PubMed for ampullary signet ring cell adenocarcinoma. Research spans Case Report / Case Series (80%) and Review / Meta-Analysis (20%).
Rai A (2025). [PMID: 40995162](https://pubmed.ncbi.nlm.nih.gov/40995162/). *Ochsner J*. [Case Report / Case Series]
Kido K (2025). [PMID: 39562400](https://pubmed.ncbi.nlm.nih.gov/39562400/). *Clin J Gastroenterol*. [Case Report / Case Series]
Zeta-Arica C (2025). [PMID: 40585456](https://pubmed.ncbi.nlm.nih.gov/40585456/). *Oxf Med Case Reports*. [Case Report / Case Series]
Nandy K (2025). [PMID: 40522349](https://pubmed.ncbi.nlm.nih.gov/40522349/). *Langenbecks Arch Surg*. [Case Report / Case Series]
Zhang J (2025). [PMID: 41310663](https://pubmed.ncbi.nlm.nih.gov/41310663/). *World J Surg Oncol*. [Review / Meta-Analysis]
Data assembled from 2 of 12 sources · Last updated Sep 19, 2026, 2:48 PM UTC