[Illustration: FIG. 66.--Thrombosis in Tortuous and Pouched Great
Saphena Vein, in longitudinal section.]
_Clinical Features._--Varix is most frequently met with between puberty
and the age of thirty, and the sexes appear to suffer about equally.
The amount of discomfort bears no direct proportion to the extent of
the varicosity. It depends rather upon the degree of pressure in the
veins, as is shown by the fact that it is relieved by elevation of the
limb. When the whole length of the main trunk of the great saphena is
implicated, the pressure in the vein is high and the patient suffers a
good deal of pain and discomfort. When, on the contrary, the upper part
of the saphena and its valves are intact, and only the more distal veins
are involved, the pressure is not so high and there is comparatively
little suffering. The usual complaint is of a sense of weight and
fulness in the limb after standing or walking, sometimes accompanied by
actual pain, from which relief is at once obtained by raising the limb.
Cramp-like pains in the muscles are often associated with varix of the
deep veins.
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