Lead pipe sign (colon)
Last revised by Karen Machang'a on 9 Oct 2023
Citation, DOI, disclosures and article data
Citation:
Jones J, Machang'a K, Rauf A, et al. Lead pipe sign (colon). Reference article, Radiopaedia.org (Accessed on 11 May 2024) https://doi.org/10.53347/rID-6204
Permalink:
rID:
6204
Article created:
4 May 2009,
Jeremy Jones ◉
Disclosures:
At the time the article was created Jeremy Jones had no recorded disclosures.
View Jeremy Jones's current disclosures
Last revised:
9 Oct 2023,
Karen Machang'a ◉
Disclosures:
At the time the article was last revised Karen Machang'a had no financial relationships to ineligible companies to disclose.
View Karen Machang'a's current disclosures
Revisions:
15 times, by
13 contributors -
see full revision history and disclosures
Systems:
Sections:
Synonyms:
- Lead pipe appearance of colon
The lead pipe appearance of colon is the classical barium enema finding in chronic ulcerative colitis, and is also seen with other modalities such as CT, MRI or a plain radiograph. There is a complete loss of the haustral markings in the diseased segment of the colon, appearing smooth-walled and cylindrical.
This appearance results from an increased mucosal regeneration, which in turns lead to muscularis mucosae hypertrophy. When this enlarged muscular layer contracts, it gives the appearance of lead pipe colon 2.
Quiz questions
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References
- 1. Gore RM, Balthazar EJ, Ghahremani GG et-al. CT features of ulcerative colitis and Crohn's disease. AJR Am J Roentgenol. 1996;167 (1): 3-15. AJR Am J Roentgenol (citation) - Pubmed citation
- 2- Baldwin M, Genant J, Braver J et-al. Part 2: Classic signs in gastrointestinal radiology. Appl Radiol. February 07, 2012 https://appliedradiology.com/articles/part-2-classic-signs-in-gastrointestinal-radiology.aspx
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