Falcine sinus
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The falcine sinus is a normal structure in the fetus and is located within the falx cerebri draining the deep cerebral venous system to the superior sagittal sinus. Normally it involutes after birth. If the straight sinus is absent or thrombosed then the falcine sinus may recanalise or persist.
This is frequently seen in association with a vein of Galen malformation.
NB: The falcine sinus should not be confused with the median prosencephalic vein (MPV) which is the 'aneurysmally' enlarged vein in the vein of Galen malformation and drains into the falcine sinus.
-<p>The <strong>falcine sinus</strong> is a normal structure in the fetus and is located within the <a href="/articles/falx-cerebri">falx cerebri</a> draining the deep cerebral venous system to the <a href="/articles/superior-sagittal-sinus">superior sagittal sinus</a>. Normally it involutes after birth. If the <a href="/articles/straight-sinus">straight sinus</a> is absent or thrombosed then the falcine sinus may recanalise or persist.</p><p>This is frequently seen in association with a <a href="/articles/vein-of-galen-malformation-1">vein of Galen malformation</a>. </p><p>NB: The falcine sinus should not be confused with the <a href="/articles/median-prosencephalic-vein">median prosencephalic vein (MPV)</a> which is the 'aneurysmally' enlarged vein in the vein of Galen malformation and drains into the falcine sinus.</p>- +<p>The <strong>falcine sinus</strong> is a normal structure in the fetus and is located within the <a href="/articles/falx-cerebri">falx cerebri</a> draining the deep cerebral venous system to the <a href="/articles/superior-sagittal-sinus">superior sagittal sinus</a>. Normally it involutes after birth. If the <a href="/articles/straight-sinus">straight sinus</a> is absent or thrombosed then the falcine sinus may recanalise or persist.</p><p>This is frequently seen in association with a <a href="/articles/vein-of-galen-aneurysmal-malformation-1">vein of Galen malformation</a>. </p><p>NB: The falcine sinus should not be confused with the <a href="/articles/median-prosencephalic-vein">median prosencephalic vein (MPV)</a> which is the 'aneurysmally' enlarged vein in the vein of Galen malformation and drains into the falcine sinus.</p>
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