Figure 1. (a). A 27-year-old G1P0 woman presented to the ER at 11.5 weeks gestation with a sudden onset headache accompanied by left upper extremity numbness and tingling, which began during coitus. Non-contrast head CT, axial cut. Note right thalamic intraparenchymal hemorrhage with intraventricular hemorrhage. (b). A 27-year-old G1P0 woman presented to the ER at 11.5 weeks gestation with a sudden onset headache accompanied by left upper extremity numbness and tingling, which began during coitus. CT angiography of the head, axial cut. Note presence of AVM in right lentiform nucleus and right thalamus.
Figure 2. A 26-year-old G4P2012 woman with a left parietal AVM and a prior stage 2 embolization developed a worsening of symptoms, including migraines, vomiting, dizziness, and right-sided weakness, during her pregnancy. CT angiography of the head, sagittal cut. Note presence of left posterior parietal AVM with prior stage 2 embolization.