Inferior sagittal sinus
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Citation:
Gaillard F, Thibodeau R, Walizai T, et al. Inferior sagittal sinus. Reference article, Radiopaedia.org (Accessed on 04 Dec 2024) https://radiopaedia.org/articles/5249
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5249
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Disclosures:
At the time the article was created Frank Gaillard had no recorded disclosures.
View Frank Gaillard's current disclosures
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At the time the article was last revised Ryan Thibodeau had no financial relationships to ineligible companies to disclose.
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The inferior sagittal sinus is one of the dural venous sinuses and runs along the inferior (free) edge of the falx cerebri 1. It runs from anterior to posterior, the same as the superior sagittal sinus, and drains into the straight sinus. It receives tributaries from the falx itself as well as some small veins from the medial surface of the cerebral hemispheres.
Variant anatomy
The inferior sagittal sinus can be absent or hypoplastic. In a study of 204 patients undergoing MR venography, there was an absence of the inferior sagittal sinus in 14% of patients 2.
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References
- 1. Gray's Anatomy. Churchill Livingstone. (2011) ISBN:0443066841. Read it at Google Books - Find it at Amazon
- 2. Ahmed M, Ahmed IS, Ahmed SM, Ahmed AM, Ahmed IJ, Ahmed UR, Ahmed. Normal variations in cerebral venous anatomy and their potential pitfalls on 2D TOF MRV examination: Results from a private tertiary care hospital in Karachi. (2018) JPMA. The Journal of the Pakistan Medical Association. doi: - Pubmed
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