rectum Flashcards
complete rectal prolapse
all layers
incomplete rectal prolapse
only mucosa
what is the probe test
pass a probe between the border of the anus and protruding mass.. if the probe can be passed it is intussusception and is a surgical emergency!!!
treat rectal prolapse
reduce and place pursestring suture for 3 days
surgery for recurrent rectal prolapse
colopexy
where do most rectal adenomas occur
distal rectum
clinical signs of rectal adenomas
hematochezia
tenesmus
visible mass
T/F
always submit excised masses even when pre-op biopsy is performed
true
25% will come back as more aggressive than thought to be
approx ___% colorectal adenocarcinomas are abdominal
50%
surgical approach for lesions involving the midrectum but not the anal canal
dorsal approach
lesions involving caudal rectum or anal canal
anal approach
distal colonic or midrectal lesion not approachable through the abdomen
rectal pull through
this combines the anal and ventral approaches – for lesions that extend beyond peritoneal reflection and into the abdominal cavity
swensons pull through
limited to lesions in the caudal 4-6cm of the rectum
transanal approach
where do anal sacs lie
external anal sphincter
