Persistent falcine sinus

Dr Jeremy Jones and A.Prof Frank Gaillard et al.

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.

Neuroanatomy
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Article information

rID: 5117
Section: Anatomy
Tags: refs, cases
Synonyms or Alternate Spellings:
  • falcine sinus

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