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Washington University Experience | NEOPLASMS (GLIAL) | Ependymoma, myxopapillary | 5A3 Ependymoma, myxopapillary (presacral, 6 yo, Case 5) H&E 2.jpg
Sections of the gluteal mass show a circumscribed but non-encapsulated papilloglandular proliferation. In the more obvious papillary areas, there is a rosette formation of intermediate size cells surrounding a central mucohyaline stroma and blood vessels.