Signet ring carcinoma is a type of cancer. More specifically, it's a type of adenocarcinoma. The term "signet ring" describes how the cells of the signet ring carcinoma appear under a microscope.
Other names for signet ring carcinoma include signet ring cell adenocarcinoma, signet ring cell carcinoma, signet cell carcinoma, and signet ring cancer.
Signet ring carcinomas are considered more aggressive than regular adenocarcinomas and are harder to successfully treat. They're extremely uncommon and account for about 0.1% of all adenocarcinomas.
For more information, please read Signet Ring Cell Adenocarcinoma of the Colon and Rectum.
- Buetow, Peter and Buck, James. "Colorectal Adenocarcinoma." RadioGraphics 15.1 (Jan. 1995). Archives of the AFIP. 5 Jul. 2006 [http://www.rsna.org/REG/publications/rg/afip/privateM/1995/0015/0001/0127/1.htm].
- Colon Cancer. The Health Resource, Inc. 5 Jul. 2006 [http://www.thehealthresource.com/cancer_info/colon_cancer.cfm].
- Q&A's: I Have Been Told I Have a Type of Cancer Called Adenocarcinoma. What is This? CancerBacup. 26 Jul. 2005. 5 Jul. 2006 [http://www.cancerbackup.org.uk/QAs/509].