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Obstruction of the intracranial dural venous sinuses would result in an increase in intracranial dural venous pressure. This intracranial hypertension is not only the result of poor cerebral venous drainage but also life threatening. The aim of this study was to identify the structures, which may show signs of potential venographic filling defect qualities, including trabeculae/septa (also described as “fibrous bands”) and arachnoid granulations, which ultimately can lead to increased intracranial dural sinus venous pressure. A total of 102 cadavers and living patients were used for the study. Fifty‐three percent of the subjects presented with structures in their transverse sinuses that could be potential venous filling defects. Thirty percent of the subjects presented with arachnoid granulations in the right transverse sinus, which were found to be significantly dominant (Chi‐square; p < 0.05). The study also revealed the …