Rectosigmoid junction | definition of rectosigmoid junction by Medical dictionary
Also found in: Acronyms
the site at which the sigmoid colon becomes the rectum; usually takes the form of an acute angle, demarcated externally by a discontinuation of appendices epiploicae, a spreading out of the teniae coli to completely encircle the rectum, and consequently, termination of the sacculations (haustrae) between the teniae.
References in periodicals archive
He underwent surgery because oral and intravenous contrast-enhanced abdominal tomographs revealed perforation proximal to the rectosigmoid junction
, associated with extensive intra-abdominal free fluid and free air (Fig.
He was found to have feculent peritonitis with megabowel involving the rectum and sigmoid colon and a stercoral ulcer with full thickness erosion, and perforation was also identified on the anti-mesocolic surface at the rectosigmoid junction
Colonoscopic examination showed an unusual polypoid tumor with stenosis of the lumen at the rectosigmoid junction
, but endoscopic biopsy showed only nonspecific inflammation.
2] Here we present an interesting case of primary colorectal lymphoma involving the rectosigmoid junction
, rectum and anal canal.
A computed tomographic (CT) scan of the abdomen and pelvis showed abnormal asymmetric thickening of the colon in the vicinity of the rectosigmoid junction