Fig. 6From: Bilateral pheochromocytoma with ganglioneuroma component associated with multiple neuroendocrine neoplasia type 2A: a case reportThe cells of the pheochromocytoma component are strongly positive for chromogranin (a). The ganglion cells of the ganglioneuroma component are positive for neurofilament as well as the Schwannian fibrillary matrix (b) (×100)Back to article page