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| MRV - AP View. MRV is used to evaluate for cerebral sinus thrombosis, which typically occurs in hypercoaguable states, including late in pregnancy and following delivery. In the AP view, the transverse and sigmoid sinuses are best seen in addition to the torcula (the confluence of the sinuses). However, the superior sagittal sinus overlaps with the inferior sagittal sinus, straight sinus and vein of Galen. |