HAEMORRHOIDS
These are pouches of lower rectal and
anal mucosa enclosing dilated
and tortous veins. They are visable when enlarged and present at
the anal margins.
8.2.1 EXTERNAL HAEMORRHOIDS
External haemorrhoids involve haemorrhoidal veins
distal to the
anorectal line and are covered by
skin.
*
Severe pain generally results
from thrombosis and oedema of
external haemorrhoids.
*
Anal skin tags may be readily distinguished from haemorrhoids
by their appearance as redundant skin at the anal margin.
Thrombosed external piles occur as an acute,
transitory episode
in an otherwise normal anus, it may
subside spontaenously.
Simple
puncture of the skin and
evacuation of the clot may be
adequate to relieve sphincter spasm
and pain. Hot sitz baths are
started.
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