Ex vivo specimen MRI and pathology confirm a rectosigmoid mesenteric waist at the junction of the mesorectum and mesocolon.
Nigel D'SouzaA C LordA ShawA PatelS BalyasnikovaV TudykaM AbulafiB MoranS RasheedP TekkisJ C CoffeyM TerlizzoNicholas P WestP QuirkeGina BrownPublished in: Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland (2019)
A rectosigmoid waist occurs at the junction of the mesorectum and mesocolon, and is a mesenteric landmark for the rectum that is present on both radiology and pathology.