A 72 year-old male hospitalized with
aphasia, abnormal behavior, and rapidlyprogressive
dementia.Magnetic resonance imaging (MRI) enhanced by
contrast media demonstrated multiplebrain
tumors in left parietal lobe and left paraventricular region. Biopsy was performed,andhistopathological examination and genetical evaluation revealed anaplasticoligodendroglioma. Local radiation 50Gy was given, and
Temozolomide via orallyadministered for 42 days. After the
chemoradiotherapy, even though the parietal tumorshowed lessening of the size, enlargement of the
tumor in the left paraventricularregion was observed, and we considered that phenomenon was pseudoprogression. 5courses of
Temozolomide therapy was added, but
cerebellar tumor appeared andenlarged with
hydrocephalus, and died 1 year and 3 months after the firsthospitalization.