Fig. 2From: Adult onset of ganglioneuroblastoma of the adrenal gland: case report and review of the literatureThe histopathological examination of the tumor showed a proliferation of atypical ganglion cells, in many of which neuro-melaninic pigment was evident, interspersed in a fibrillary matrix (a). A nodular proliferation of poorly differentiated spindle cells (b) with a high mitotic index (27 mitosis per HPF, ×400) (c) was also observedBack to article page