Fig. 1
From: Hybrid peripheral nerve sheath tumors: report of five cases and detailed review of literature
a, b Hybrid perineurioma and neurofibroma as distinct areas with perineuromatous component at top (thin arrow) and neurofibroma areas below it (small thick arrow) (H&E, 40× magnification). c Perineuromatous area is composed of cells with long cytoplasmic processes (H&E, 400× magnification). d EMA positivity in perineuromatous areas. c, d Neurofibromatous component is composed of spindle cells with wavy nuclei (100× & 400× magnifications)