TRIPLE FALX CEREBELLI ASSOCIATED WITH TWO ABERRANT VENOUS SINUSES IN THE FLOOR OF POSTERIOR CRANIAL FOSSA
نویسندگان
چکیده
منابع مشابه
Triple falx cerebelli associated with two aberrant venous sinuses in the floor of posterior cranial fossa.
During regular dissection classes, we came across tripled falx cerebelli in a male cadaver. The main (middle) falx cerebelli was large and was attached to the internal occipital crest. It contained the occipital sinus. There were two smaller folds (right and left), one on either side of the falx cerebelli. There were two aberrant venous sinuses; each one connecting the ipsilateral sigmoid and t...
متن کاملA complex dural-venous variation in the posterior cranial fossa: a triplicate falx cerebelli and an aberrant venous sinus.
Variations of the dural folds and the dural venous sinuses are seldom reported in the extant medical literature. Such variations in the posterior cranial fossa may be problematic in various diagnostic and operative procedures of this region. We report our observation of an extremely rare variation of the falx cerebelli and posterior cranial fossa venous sinuses encountered upon dissection of a ...
متن کاملA rare variation of the posterior cranial fossa: duplicated falx cerebelli, occipital venous sinus, and internal occipital crest.
Folds of the meningeal layer of the dura mater, the falx cerebri and tentorium cerebelli, traverse the vertebrate intracranial cavity and thus compartmentalise the brain. The falx cerebelli, another dural fold, is found in the posterior cranial fossa and attaches to the inferior aspect of the tentorium cerebelli and to the internal occipital crest. We present a case of a duplicated falx cerebel...
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Variations of the posterior fossa blood supply are relatively uncommon but should be borne in mind by the clinician. We present two unusual cases of posterior cranial fossa blood supply and review the literature regarding such abnormalities. Both cases demonstrated a lack of the vertebrobasilar system to varying degrees. Such arterial variations as present herein should be known to the clinicia...
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ژورنال
عنوان ژورنال: Australasian Medical Journal
سال: 2013
ISSN: 1836-1935
DOI: 10.21767/amj.2013.1740