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Varicose Veins |
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Dilatation and congestion of veins is common
in many sites.
The most common abnormality of veins is dilatation and congestion
with blood. Such abnormal veins are given different names in
different sites.
Varicose veins are persistently distended superficial veins
in the lower limbs (long and short saphenous veins).
They are the
result of incompetence of the valves, which allows the veins to
become engorged with blood under the influence of gravity.
A saphenovarix is a localized distension of the superficial
saphenous veins in the groin, producing a smooth rounded mass.
Haemorrhoids} (or 'piles') are greatly distended veins
of the internal haemorrhoid plexus of submucosal veins in the anal
canal and at the anorectal junction. They present as prolapsed
mucosa-covered masses, which often protrude through the anal orifice.
Bleeding may follow trauma, and pain may follow from gross
protrusion and anal sphincter spasm.
Varicocele is persistent distension of the veins of the
pampiniform plexus of veins in the spermatic cord within the scrotum.
All of these conditions in the pelvis and lower limbs can be
aggravated by any pelvic or abdominal condition that causes
pressure on the veins preventing adequate venous return.
For example,
pregnancy is an important and common precipitating factor in
the development of varicose veins and haemorrhoids.
Oesophageal varices} and prominent umbilical veins are
distended venous channels that develop in portal hypertension
secondary to cirrhosis of the liver. |
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We give here simplified and accurate information about the disease
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