Fig. 1From: Lumbar clear cell meningioma mimicking schwannoma 7 years after resection of the same type of intracranial tumor: a case reportBefore the initial brain surgery, head gadolinium-enhanced T1-weighted magnetic resonance imaging (MRI) showing a tumor (arrow heads) located in the left cerebellopontine angle (a). Histological evaluation of the initial intracranial tumor revealed a sheeting architecture containing round to polygonal cells with clear cytoplasm and many small clumps of collagen fibers (b). The tumor was diagnosed as clear cell meningiomaBack to article page