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The Epithelioid GIST shows euchromatic nuclei and have prominent skein appearing nucleolus with rich filopodia-like cytoplasmic processes. The cytoplasmic processes are interdigitating each other. Electron dense cytoplasmic granules, favor lysosomes, are frequently seen, which may be confused with neurosecretory granules. (uranyl acetate and lead citrate stain, A: bar: 2 µm, B: bar: 1 µm, A: ×4,000, B: ×6,000).
