NEUROSARCOIDOSIS MIMICKING MENINGIOMA EN-PLAQUE - REPORT OF 2 CASES AND REVIEW OF THE LITERATURE

We describe two patients who presented with seizures and in whom imagi ng studies showed extra-axial disease which was simulating meningioma en-plaque. The diagnosis of neurosarcoidosis was obtained by meningeal biopsy. The clinical and MRI features of neurosarcoidosis presenting as an extra-axial mass lesion are reviewed. In cases in which clinical or radiological features place the diagnosis of meningioma in doubt, frozen section biopsy is advocated to avoid unwarranted excision of a lesion caused by sarcoidosis.