Primary colorectal small cell carcinoma

Last revised by Daniel J Bell on 20 Jul 2019

Primary colorectal small cell carcinoma (CrSmCC) is a very rare neuroendocrine tumor with an aggressive course.


Neuroendocrine carcinomas comprise less than 1% of all colorectal cancer.


As with other small cell carcinomas, they are malignancies derived from neuroendocrine tissue. 


There may be a predilection for the rectum 1.

See also

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