Megarectum

Megarectum
Megarectum
Specialty	General surgery

Megarectum is a large rectum as a result of underlying nerve supply abnormalities or muscle dysfunction, which remains after disimpaction of the rectum.

The Principles of Surgery textbook describes any rectum that can hold more than 1500cc of fluid as a megarectum. The term megarectum is also used for a large rectal mass on rectal examination, a wide rectum on an abdominal x-ray, the presence of impaired rectal sensation or the finding of large maximal rectal volumes on anorectal manometry. In addition, can be the bloating of the colon due to infection, also called megacolon.

On defecography, megarectum is suggested by a rectal width of >9 cm at the level of the distal sacrum.[1]

References

Smith, Lee E.; Blatchford, Garnet J. (2007). "Physiologic Testing". In Wolff, Bruce G.; Fleshman, James W.; Beck, David E. (eds.). ASCRS textbook of colon and rectal surgery. New York: Springer. p. 50. ISBN 978-0-387-24846-2.

https://academic.oup.com/jscr/article/2020/3/rjaa047/5801062

External links

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[1] Smith, Lee E.; Blatchford, Garnet J. (2007). "Physiologic Testing". In Wolff, Bruce G.; Fleshman, James W.; Beck, David E. (eds.). ASCRS textbook of colon and rectal surgery. New York: Springer. p. 50. ISBN 978-0-387-24846-2.