[Astroblastoma in newborn baby (author's transl)].

A case of astroblastoma in a male newborn baby was reported. He has been suffered from convulsive seizures from six hours later after the birth, not controlled by the anticonvulsants, and lumbar tap revealed bloody cerebrospinal fluid. He had no response against the noxious stimuli and left clonic hemiconvulsion, and showed anisocoria, left pupil was dilated. Right BAG showed a large space occupying lesion in the right frontal lobe. Operation was performed eighteen hours after the birth. Right frontotemporal craniotomy revealed reddish-grey, soft tumor in the right frontal lobe infiltrating into the parietal and temporal lobe of the same side and frontal lobe of the left side. Right frontal lobectomy was performed. He had cardiac arrhythmia after the operation and died next day. Autopsy was not permitted. Histologically tumor tissue showed abundant vessels and perivascular pseudorosettes, and electron micrograph revealed glial filaments in the tumor cells. Histological diagnosis was astroblastoma.