Figure 3From: Neuroimaging characteristics and growth pattern on magnetic resonance imaging in a 52-year-old man presenting with pituicytoma: a case report Microscopic findings. A) Microphotograph of an hematoxylin and eosin-stained section showing bipolar spindle cells arranged in a storiform pattern. B) S-100 immunohistochemical stain. C,D) Immunohistochemical stains were focally positive for glial fibrillary acidic protein and positive for vimentin.Back to article page