Electron microscopic view shows one tumor cell with a round regular nucleus (N), peripherally clumped chromatin (short arrows), and surrounding small amount.

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Presentation transcript:

Electron microscopic view shows one tumor cell with a round regular nucleus (N), peripherally clumped chromatin (short arrows), and surrounding small amount of cytoplasm (long arrows point to cytoplasmic membrane). Electron microscopic view shows one tumor cell with a round regular nucleus (N), peripherally clumped chromatin (short arrows), and surrounding small amount of cytoplasm (long arrows point to cytoplasmic membrane). Adjacent to the tumor cell are numerous extracellular lysosomes (curved arrows) and a fragmented cell membrane (open arrow)‏ Diane M. Armao et al. AJNR Am J Neuroradiol 2000;21:1122-1126 ©2000 by American Society of Neuroradiology