Figure 3

(a): Histology of malignant granular cell tumor of the bladder of patient 2 (haematoxylin and eosin stain). Note infiltration of tumor cells into the smooth muscle. (×100); b): Histology of malignant granular cell tumor of the bladder of patient 2 (haematoxylin and eosin stain). The cells exhibit abundant pink granular cytoplasm. Note prominent nucleoli in majority of cells. (×100);