Extracranial nasosinusal meningioma: a case report of a rare entity

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SUMMARY

    The patients referred a remote medical history of Acute Lymphoid Leukemia (ALL) and two episodes of transitional meningiomas in the posterior fossa. She underwent right frontal ventriculostomy, left suboccipital craniotomy and removal of the neoplasm which was reported as a "transitional meningioma" (WHO Grade I). Few weeks later, the follow-up imaging C, D: C MRI in T2 showing surgical results in axial view; D Same MRI but in coronal view showing the absence of ethmoidal mass patient underwent left retromastoid craniotomy surgery for microsurgical removal a tentorial mass. WHO described three grades for . . .

     

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