a six-year-old girl with communicating hydrocephalus and a meningomyelocele , a 48-year-old man with an ependymoma and an 11-year-old boy with a pineal germinoma had multinucleated histiocytic giant cells and ependymal cells in cerebrospinal fluid obtained from their ventricular shunts .
C0014474
ependymoma
C0228092
ependymal cells