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  Indian J Med Microbiol
 

Figure 1: A meningocortical pigmented neoplasm (*in a) composed of pleomorphic spindle cells and multinucleate tumor giant cells with intracytoplasmic brown pigment (b) that is positive with Masson-Fontana stain (c). The tumor has a rich reticulin fiber network (d). The cells are diffusely positive for GFAP with a very low MIB-1 labeling index (f). [a and b: Hematoxylin and Eosin, c: Masson-Fontana, d: Reticulin stain, e and f: Immunoperoxidase. Scale bar: a: 1 mm, b to f: 20 μm]

Figure 1: A meningocortical pigmented neoplasm (*in a) composed of pleomorphic spindle cells and multinucleate tumor giant cells with intracytoplasmic brown pigment (b) that is positive with Masson-Fontana stain (c). The tumor has a rich reticulin fiber network (d). The cells are diffusely positive for GFAP with a very low MIB-1 labeling index (f). [a and b: Hematoxylin and Eosin, c: Masson-Fontana, d: Reticulin stain, e and f: Immunoperoxidase. Scale bar: a: 1 mm, b to f: 20 μm]