Conventional Schwannoma. Cellular Schwannoma. MPNST. Biphasic, Antoni A and B areas. Uniform, Hypercellular (Majority Antoni A) Hypercellular. Small nuclei. Small nuclei. Nuclei typically 3x normal size. Variable chromatin. May show hyperchromasia. Pronounced hyperchromasia. Verocay bodies, hyalinized vessels, lipid laden histocytes, lymphoid …
http://surgpathcriteria.stanford.edu/peripheral-nerve/schwannoma/