Hemangiopericytoma of the foramen magnum in a pregnant patient: A case report and literature review.

Background: The presentation of intracranial hemangiopericytomas is very rare, and only one case of a hemangiopericytoma during pregnancy has been reported in the literature. The management of these lesions poses a great challenge to the neurosurgeon, since the physiological and hormonal changes of pregnancy can exacerbate the symptoms of this highly vascularized neoplasm and pose different risks to both the mother and the fetus. We report the case of a patient who had sudden onset of intracranial hypertension at the ninth week of gestation due to a hemangiopericytoma of the foramen magnum and review the literature in this regard.