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Anatomical study reveals the morphology of the petrosquamosal sinus in adults, highlighting its role as a major venous drainage pathway and relevance in intracranial hypertension.
This article provides a comprehensive description of the morphology of the human petrosquamosal sinus (PSS) derived from original observations made on 13 corrosion casts of the cranial venous system combined with routine clinical imaging studies in two patients. The PSS is not a rare finding in the adult human. In particular, continuous developments in imaging techniques have made radiologists become increasingly aware of this anatomical entity in recent years. The role of the PSS as a major encephalic drainage pathway and its potential implication in pathological conditions such as intracranial venous hypertension are discussed.
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Ruïz et al. (2006) studied this question.
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