Haemorrhoids Flashcards
What are they?
Haemorrhoidal tissue is part of the normal anatomy which contributes to anal continence.
mucosal vascular cushions
where are they found?
found in the left lateral, right posterior and right anterior portions of the anal canal (3 o’clock, 7’o’clock and 11 o’clock respectively).
when do haemorrhoids exist?
when they become enlarged, congested and symptomatic
clinical features
painless rectal bleeding is the most common symptom
pruritus
pain: usually not significant unless piles are thrombosed
soiling may occur with third or forth degree piles
types of haemorrhoids
- external
- internal
what are external haemorrhoids?
originate below the dentate line
prone to thrombosis, may be painful
what are internal haemorrhoids?
originate above the dentate line
do not generally cause pain
grade I internal haemorrhoids
Do not prolapse out of the anal canal
grade II internal haemorrhoids
Prolapse on defecation but reduce spontaneously
grade III internal haemorrhoids
Can be manually reduced
grade IV internal haemorrhoids
Cannot be reduced
Mx
- soften stools
- topical local anaesthetics and steroids
- outpatient treatment - rubber band ligation
- surgery
newer treatment
Doppler guided haemorrhoidal artery ligation, stapled haemorrhoidopexy
presentation of acute thromboses external haemorrhoids
typically present with significant pain
examination reveals a purplish, oedematous, tender subcutaneous perianal mass
if patient presents within 72 hours then referral should be considered for excision.
Otherwise patients can usually be managed with stool softeners, ice packs and analgesia.
Symptoms usually settle within 10 days