Flashcards in Anal and Perianal Dz Deck (67)
where is the rectal blood supply
what lymphs nodes can be felt for rectal cancer
inguinal lymph nodes
where does the anal canal stand and end?
start at dentate line
ends at anal verge
what cause perirectal abscesses?
Columns of morgagni each with crypts
most common symptom of rectal cancer?
can you do radiation on rectal cancer patients?
yes, helps reduce size before removal
what do you do for Lesions in the middle and upper third of the rectum
low anterior resection (LAR)
For lower third rectal cancers
Rectum and anus removed
Abdominal perineal resection (APR)
Protrusion of the full thickness of the rectal wall through the anus – concentric rings
full thickness rectal prolapse
prolapse w/ Only the mucosa protrudes from the anus
when do rectal polapses peak?
Peaks in occurrence are noted in the fourth and seventh decades of life, and most patients (80-90%) are women
tx for rectal prolapse
abomdinal appraoch- anterior resection w/ rectopexy
what do you need to do before surgical tx for rectal prolapse
colonscopy pre-op to exclude CA
most common anorectal problem?
vascular connective tissue originating above the dentate line
vascular complexes underlying the richly innervated anoderm (below the dentate line)
External hemorrhoids become symptomatic with
Internal hemorrhoids become symptomatic when the internal complex becomes chronically ________ or the tissue prolapses into the anal canal
pain complaints w/ internal hemorrhoids
bleeding and itching
internal hemorrhoid w/ bleeding w/o prolapse
internal hemorrhoid bleeding w/ prolapse but reduce sponatenously
internal hemorrhoid bleeding with prolapsed that require manual reduction
internal hemorrhoid prolapsed and cannot be reduced
what are hemorrhoids associated w/
associated with constipation, chronic diarrhea, straining, pregnancy, pelvic masses, and family history
what should you rule out w/ rectal bleeding
r/o CA and IBD
Bright red blood per rectum on TP or outside of stool
Rectal fullness or discomfort
Sudden severe perianal pain
medical tx for hemorrhoids
treat constipation or diarrhea
stool softeners and bulking agents
tx for internal hemorrhoids
elastic band ligation