An Unusual Case of Cerebral Arteriovenous Malformation in Pregnancy

Cheryl Shumin Kow, Liying Yang, Wei Ching Tan, Rachel Wei-Li Leong, Yew Poh Ng, Sridhar Arunachalam, Devendra Kanagalingam


We present a case of a woman at 31 weeks and 3 days of gestation, who developed a sudden and severe headache and loss of vision in her left eye. Magnetic resonance imaging (MRI) of the brain revealed a subarachnoid bleed secondary to a right parieto-occipital arteriovenous malformation (AVM). She was conservatively managed and subsequently transferred to our institution for multidisciplinary care. The patient underwent a cesarean section at 34 weeks and 5 days of gestation followed by gamma knife surgery 6 days after. Cerebral AVMs, although relatively rare, have the propensity to cause potentially fatal outcomes. Neurological symptoms in a pregnant woman warrant investigations for early diagnosis and management, due to its associated morbidity and mortality. The management of cerebral AVMs in pregnancy is decided after weighing the benefits of treatment against the risk of bleeding. A multidisciplinary approach should be adopted due to the complexity of the condition.

J Med Cases. 2022;13(3):104-108


Cerebral arteriovenous malformation; AVM; Pregnancy; Obstetrics

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