Hemorrhagic angiomatous meningioma: what we know. Case report and review of the literature
Palavras-chave:Angiomatous meningioma, Spontaneous hemorrhage, Neurosurgery, Intracranial tumor
Meningiomas are the most common benign intracranial tumors and rarely present with spontaneous bleeding. We report on a case of hemorrhagic angiomatous meningioma that was treated surgically (the first case described in Brazil) and present a review of the literature. The patient was
a 38-year-old female with progressive headache and vomiting. She also had a previous history of
chronic headaches and refractory depression. Imaging studies showed a large left frontal extra-axial
tumor, with intense contrast enhancement and hyperperfusion/hypervascularization. There was an
extensive intratumoral and pericapsular hemorrhagic region, with dilation of the middle meningeal
arteries and falx cerebri vessels. The lesion was compatible with hemorrhagic meningioma. The
patient underwent bifrontal craniotomy and tumor devascularization, followed by total resection.
Histopathological and immunohistochemical analyses led us to conclude that this was a case of angiomatous meningioma. Subsequently, the patient’s headaches and depression improved. No
residual or recurrent neoplastic lesion was observed during the follow-up.
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