Figure 1: Cytomorphology. a) Sheets of closely packed spindle cells. Pap stain 200×. b) Spindle shaped cells intermixed with clusters of mature ganglion cells (arrows). Pap stain 400×. c) Note the slender pinpointed borders of wavy nuclei. Pap stain 400×. d) High power view of oval cells with huge nuclei and conspicuous nucleoli, typical features of a mature ganglion cell. Pap stain 400×.