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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma, myxopapillary | 7D4 Ependymoma, myxopapillary & Anaplasia (Case 7) H&EA
Significant atypia is accompanied by increased numbers of mitoses. Mitotic figures are abundant, present at variable density ranging up to at least seventeen per ten high power (40x objective) fields.