Download Dural Cavernous Sinus Fistulas: Diagnosis and Endovascular by Goetz Benndorf PDF

By Goetz Benndorf

Dural cavernous sinus fistulas (DCSFs) are benign vascular ailments consisting in an arteriovenous shunt on the cavernous sinus that if misdiagnosed can result in in all likelihood critical ophthalmologic issues. This quantity offers an entire consultant to the prognosis and minimum invasive remedy of DCSFs. After sections on anatomy and type, etiology and pathogenesis of DCSFs, the symptomatology of the sickness is defined intimately. The function of recent imaging options within the analysis of DCSFs is then addressed. electronic subtraction angiography (DSA) is still the most excellent for scientific decision-making; the following, complete attention is given to either, traditional 2nd DSA and rotational 3D angiography. fresh technological advances during this box equivalent to twin quantity (DV) imaging and angiographic computed tomography (ACT) are regarded as good. Due recognition is additional paid to using computed tomography, magnetic resonance imaging and ultrasound. ultimately, the healing administration of DCSFs with emphasis on numerous transvenous occlusion recommendations are mentioned extensive. This well-illustrated quantity can be beneficial to all who may possibly stumble upon DCSF of their scientific perform.

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Additional info for Dural Cavernous Sinus Fistulas: Diagnosis and Endovascular Therapy (Medical Radiology Diagnostic Imaging)

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In case of a dominant supply of the CS region by transcranial branches of the IMA, the AMA may supply the entire area, giving rise to four branches usually belonging to the ILT in 20% of the cases (Lasjaunias et al. 2001). Lang (1979b) describes the AMA as a branch of the MMA, contributing to the rich vascular network on the surface of the dura mater that is provided mainly by the latter (Djindjian and Merland 1973). 3 Vascular Anatomy arteries in the neighborhood may also be involved such as the APA and OA.

It anastomoses with the anterolateral branch of the ILT (in older literature, artery of the inferior cavernous sinus). This very small artery has a diameter of about 150 microns (Lang 1979a) and is usually not visualized on standard angiograms, unless its diameter is increased (Ribeiro et al. 1984; Allen et al. 1974). Its course is usually oblique, posterior and cranial through the canal. It represents one of the most prominent branches in the supply of DCSFs, and may also play a role as collateral supply to the circle of Willis in case of ICA occlusions or as tumor feeding vessel for meningiomas of the sphenoid wing (Ribeiro et al.

Unlike the MHT, the ILT was not observed to show variants and always arose as a single trunk (Tran-Dinh 1987; Willinsky et al. 1987). According to Lang and Schafer (1976), the MHT is called Truncus carotico-cavernosus posterior and the ILT can be called Truncus carotico-cavernosus lateralis. As mentioned above, Lasjaunias et al. (1977, 1978a,b) and Willinsky et al. (1987) as well as Brassier (1987) have suggested a different concept that considers the intracavernous ICA branches embryological remnants, assuming that observed normal dispositions and variants rather represent various phases in the embryological development of the primitive maxillary and trigeminal arteries, possibly influenced by individual hemodynamic balance between ICA and ECA, right and left or anterior and posterior.

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